-
Makoto Onaka, Yoshio Matsuoka, Teruaki Mukaiyama
1980 Volume 9 Issue 8 Pages
905-906
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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S-(2-Pyridyl) aliphatic thioates are reductively dimerized to give α-diketones and α-hydroxy ketones on treatment with bis(1,5-cyclooctadiene)nickel at 40°C.
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Masashi Tanaka, Atsushi Watanabe, Hitoshi Fujimoto, Jiro Tanaka
1980 Volume 9 Issue 8 Pages
907-908
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Metallic film of poly-4,4′-biphenylene is prepared by the AsF
5 oxidation and the conductivity of AsF
5 doped film is measured as a function of temperature. The maximum conductivity at 295 K of the heavily doped film becomes σ
295K ≅6 Ω
−1 cm
−1, although the conductivity for the undoped material is less than 10
−4 Ω
−1 cm
−1. The film doped for one day under 300 mmHg of AsF
5 gas is metallic between 295 and 250 K.
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Ryoichi Katakai
1980 Volume 9 Issue 8 Pages
909-912
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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A peptide consisting of
L-alanine and
L-leucine, Nps-(
L-Leu-
L-Leu-
L-Ala)
4-OEt takes β-Structure in spite of its peptide length above the critical peptide length for the formation of α-helix in the solid state. Introduction of successive short glycyl residues to the terminal position of the peptide prevents the formation of the β-structure to develop the α-helix of the peptide.
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Kazumi Nakatsu, Kenji Kinoshita, Hitoshi Kanda, Kiyoshi Isobe, Yukio N ...
1980 Volume 9 Issue 8 Pages
913-914
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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The structure of the dinuclear complex obtained from the reaction of Pd(PPh
3)
4 and 2-bromopyridine was determined by X-ray analysis to be
trans(
P,
N)-bis-[bromo(μ-pyridyl-
C2,
N)(triphenylphosphine)palladium(II)], having an approximate symmetry of C
2.
View full abstract
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Shuntaro Mataka, Kazufumi Takahashi, Takeshi Ohshima, Masashi Tashiro
1980 Volume 9 Issue 8 Pages
915-918
Published: August 05, 1980
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The thermally labile spiro-3
H-pyrazoles obtained by the reaction of diazoindenothiophenes with dimethyl acetylenedicarboxylate rearranged into the corresponding 3
H-pyrazoles which are formed via Van Alphen–Hüttel rearrangement followed by the migration of an ester group.
View full abstract
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Kazuhiro Maruyama, Atsuhiro Osuka, Hitomi Suzuki
1980 Volume 9 Issue 8 Pages
919-920
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Irradiation of a benzene solution of 2, 3-disubstituted epoxynaphthoquinones and allyl alcohols gave tetracyclic hemiketals
6.
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Masaru Tada, Hirohide Hamazaki, Hideki Hirano
1980 Volume 9 Issue 8 Pages
921-924
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Irradiation of the acetonitrile solution of 4′-(5,6-dicyanopyrazin-2-yl)benzo-15-crown-5 (
1) or 4-(5,6-dicyanopyrazin-2-yl)-1,2-dimethoxybenzene (
2) in the presence of triethylamine gave monodecyano-derivative (
3 or
4) and bisdecyano-derivative (
5 or
6). Sodium ion stimulates the reaction of the crown ether derivative.
View full abstract
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Masanori Sato, Takeshi Yamada, Akira Nishimura
1980 Volume 9 Issue 8 Pages
925-926
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Ferricinium ion formed by the electrolytic oxidation of ferrocene in polar aprotic solvents is very sensitive to the presence of trace amounts of dissolved oxygen. By the use of current reversal chronopotentiometry and cyclic voltammetry, it was shown that a part of ferricinium ion rapidly decomposes according to unknown chemical processes.
View full abstract
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Oyo Mitsunobu, Junji Kimura, Tatsuhiko Shimizu, Atsushi Kawashima
1980 Volume 9 Issue 8 Pages
927-930
Published: August 05, 1980
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The reaction of ethoxycarbonylmethylenetriphenylphosphorane with
aci-nitroesters derived from 2,6-di-
t-butyl-4-nitrophenol and alcohols afforded α,β-unsaturated carboxylic esters. When mono-
aci-nitroester of 1,3-butanediol or 1,6-hexanediol was used, (
E)-ethyl 5-hydroxy-2-hexenoate or (
E)-ethyl 8-hydroxy-2-octenoate was obtained.
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Tetsuya Mimura, Takeshi Nakai
1980 Volume 9 Issue 8 Pages
931-934
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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The regiochemical outcomes are described in the 1,2-carbonyl shift of α,α′-dimethylene systems which relies upon the regioselective sulfenylation of tosylhydrazone dianions leading to the enol thioethers of transposed ketones. Notably, a high regiospecificity was obtained with β-methyl- and β,β-dimethylcyclohexanone without any attempts to separate the stereoisomers of the hydrazones.
View full abstract
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Sei-ichi Hayashi, Takeshi Nakai, Nobuo Ishikawa
1980 Volume 9 Issue 8 Pages
935-938
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Three types of coupling reactions of
gem-difluoroolefins derived easily from aldehydes with lithium reagents (R′Li and R′
2NLi) are described which constitute the facile procedures for conversions of aldehydes (RCHO) to amides (RCH
2CONR′
2), acetylenes (R–C≡C–R′), and ketones (RCH
2COR′).
View full abstract
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Hisaharu Hayashi, Saburo Nagakura, Yoshikatsu Ito, Yasutoshi Umehara, ...
1980 Volume 9 Issue 8 Pages
939-942
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Intramolecular biradical formation from the triplet state of 2,4,6-triisopropylbenzophenone was studied by the ns laser-photolysis technique. The transient absorption spectra of the triplet state and the biradical were measured and their lifetimes were determined to be 225±13 ns and 17±2 μs in acetonitrile, respectively.
View full abstract
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Sakae Uemura, Shin-ichi Fukuzawa
1980 Volume 9 Issue 8 Pages
943-946
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Irradiation of organotellurium(IV) halides in benzene affords the corresponding organic halide by α-elimination, the carbon–halogen bond being formed at ipso-position and in some case retentively. The reaction is not affected by the presence or absence of oxygen and
t-butoxy radical.
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Shuji Kanemasa, Seiichi Nakamura, Shoji Kajigaeshi
1980 Volume 9 Issue 8 Pages
947-950
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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A peripheral azomethine ylid 1,3-dipole, anhydro 2,3-dihydro-3-oxo-4
H-pyrido[2,1-
b][1,3]thiazinium hydroxide, underwent a cyclo-addition reaction to acrylic derivatives under dehydrogenating conditions giving 2,3-dihydro-3-oxo[1,3]thiazino[4,3,2-
cd]indolizines. These cycloadducts were converted into the thiacyclazines with twelve electrons on the perimeter via reduction and subsequent dehydration. NMR spectra of the thiacyclazines showed appreciable shielding relative to simple indolizine and cycl[3.2.2]azine.
View full abstract
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Shuji Kanemasa, Seigo Kobira, Shoji Kajigaeshi
1980 Volume 9 Issue 8 Pages
951-954
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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An unusual azomethine ylid 1,3-dipole was generated on the periphery of pyrido[1,2,3-
de]quinoxaline ring. This peripheral ylid, anhydro 3
H-pyrido[1,2,3-
de]quinoxalinium hydroxide, reacted stereoselectively with electron-deficient cis olefins such as dimethyl maleate and N-substituted maleimides giving endo [4+2] cycloadducts as single products. With such a trans olefin as dimethyl fumarate, a mixture of two kinds of the [4+2] cycloadducts, 1-exo-2-endo- and 1-endo-2-exo cycloadduct, was formed. These cyclo-addition reactions have possibly proceeded in a concerted manner.
View full abstract
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Yukihiro Nomura, Takenori Kusumi, Midori Ishitsuka, Hiroshi Kakisawa
1980 Volume 9 Issue 8 Pages
955-956
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Three new butenolide derivatives were isolated from the red algae,
C. pacifica and
A. paradoxa. The structures of these compounds were determined from their spectral properties, one of which was confirmed by synthesis.
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Hayao Imamura, Kazuo Soga, Masaru Sato, W. E. Wallace
1980 Volume 9 Issue 8 Pages
957-958
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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γ-Al
2O
3 or SiO
2 supported binary iodide catalysts, which were prepared by impregnation of the mixtures formed from reacting ErAl
3 with I
2, exhibited the high ability to catalyze the
n-pentane conversion at room temperature. The conversion easily progressed to form iso-pentane along with production of C
4 and C
6 hydrocarbons. Properties of the catalysts prepared closely related to supports used.
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Yohmei Okuno, Osamu Yonemitsu
1980 Volume 9 Issue 8 Pages
959-962
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Hydrogen is generated without addition of extra electron donor when aqueous solution of Ru(bpy)
32+ and synthetic iron-sulfur complex, Fe
4S
4(SBzl)
42−, is illuminated by a “sunlight lamp”. Result shows that the Fe–S chelate plays an important role, presumably as an electron carrier. Probable mechanism is also presented.
View full abstract
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Makoto Hino, Kazushi Arata
1980 Volume 9 Issue 8 Pages
963-964
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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A solid catalyst which was prepared by exposing Fe(OH)
3, obtained by hydrolyzing Fe(NO
3)
3 or FeCl
3 with ammonia, to l N H
2SO
4 and then calcining in air at 500°C was highly active for the title reaction at 0 –−20°C. This catalyst produced poly (methyl vinyl ether) with the crystalline structure.
View full abstract
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Fujio Kanetani
1980 Volume 9 Issue 8 Pages
965-968
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Thirteen free arylamidosulfuric acids were prepared and charactrized for the first time. These acids could readily been obtained in a pure state simply by adding concentrated hydrochloric acid to a cold aqueous solution of the corresponding ammonium salts. These compounds are non-hygroscopic, crystalline solids and quite stable at room temperature under anhydrous conditions. The spectral data clearly showed that all the arylamidosulfuric acids exist as zwitterions, ArNH
2+–SO
3−, in the solid state.
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Giichi Izumi, Gaku Yamamoto, Michinori Oki
1980 Volume 9 Issue 8 Pages
969-972
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Populations of conformers of 9-(2-acyloxyethyl)-1,4-dimethoxytriptycene suggest that there is an attractive interaction between the acyloxymethyl and the methoxyl groups. The effects of the electronegativities of the acyl group upon the distribution of conformers and the relation between the interaction and S
N2 reactions are discussed.
View full abstract
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Hiroki Kondo, Hiroyuki Yoshinaga, Junzo Sunamoto
1980 Volume 9 Issue 8 Pages
973-976
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Schiff base formation between pyridoxal and alanine, arginine or methionine is facilitated by a factor of 10–100 in 0.10 M. AOT/ 0.33 M H
2O/1.5 mM NaOH/CCl
4 reversed micelles compared with that in aqueous media. There are two species of the Schiff base present in the system, one being the ionized form (SB 1) and the other un-ionized form (SB 2) with respect to the azomethin and phenolic hydroxyl groups. The former is predominant for alanine and arginine, while the latter is favored by methionine.
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Otohiko Tsuge, Kazuhiro Sone, Satoshi Urano
1980 Volume 9 Issue 8 Pages
977-980
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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The reaction of carbanions, prepared from 2-(trimethylsilylmethyl)pyridine or
N,
N-dimethyltrimethylsilylacetamide and lithium diisopropylamide in tetrahydrofuran, with α-aryl-
N-phenylnitrones afforded a mixture of the corresponding (
E)-alkene, azobenzene and azoxybenzene, respectively. On the other hand, the carbanions reacted with cyclic nitrones to give the corresponding aziridine and/or hydroxylamine derivatives as major products.
View full abstract
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Shiro Terashima, Norihiko Tanno, Kenji Koga
1980 Volume 9 Issue 8 Pages
981-984
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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The title asymmetric reduction was found to give the corresponding optically active alcohols in high optical(max. 90% ee) and chemical(max. 100%) yields.
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Tadashi Suehiro, Seiichi Masuda, Nobuyuki Motoyama, Mariko Kamimori, M ...
1980 Volume 9 Issue 8 Pages
985-988
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
JOURNAL
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Bis(2,6-dimethylaryl) nitroxides showed ESR spectra of complex hyperfine structures and the coupling constants of the ring and the methyl hydrogen atoms were determined by a simulation technique. The coupling constants of the 4-ring and the 4-methyl hydrogen atoms of the aryl group, ca. 1.1 gauss, suggest a fairly great degree of conjugation between the aryl and the nitroxide group.
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Norisuke Hata, Yukio Yamada
1980 Volume 9 Issue 8 Pages
989-992
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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The photosubstitution reaction of 1-isoquinolinecarbonitrile in ethanol was found to be subject to a magnetic field effect due to the Δg mechanism. The result suggests that the reaction proceeds predominantly via the formation of triplet radical pair subsequent to hydrogen abstraction by the triplet nitrile from the solvent, although it does not exclude the singlet reaction pathway.
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Masahiko Yamaguchi, Teruaki Mukaiyama
1980 Volume 9 Issue 8 Pages
993-996
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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(
E)-Erythro-γ,δ-unsaturated alcohols are obtained in good yields by the regio- and stereoselective addition reaction of allylboranes, generated from lithiated 2-butenyloxybenzimidazole and trialkylboranes, with aldehydes and ketones.
View full abstract
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Toshio Eiki, Shuji Kawada, Kazumi Matsushima, Mikio Mori, Waichiro Tag ...
1980 Volume 9 Issue 8 Pages
997-1000
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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The zinc complexes of 2-hydroxymethylimidazole derivatives were found to be remarkably active catalysts for the hydrolysis of p-nitrophenyl picolinate. For example, 2-hydroxymethylimidazole is much more active than the 4-hydroxymethyl isomer, and
N-benzyl-2-hydroxymethylimidazole is more active than pyridine-2-carboxaldoxime. These results are discussed in relation to the catalyses of zinc containing metalloenzymes.
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Isao Kitagawa, Hirotaka Shibuya, Hiromichi Fujioka, Akiharu Kajiwara, ...
1980 Volume 9 Issue 8 Pages
1001-1004
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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A chiarl 1,1,3-trimethylcyclohexane derivative (
12), which is a potent key building block for synthesis of
ent-taxane-type diterpenoids, has been prepared from
d-camphor (
2) through a conversion pathway which involves a novel ring enlargement reaction of a 1,1,2-trimethylcyclopentane derivative (
3).
View full abstract
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Bertram Schmitt, Christian Birr
1980 Volume 9 Issue 8 Pages
1005-1008
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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3,5-Dimethoxy-α-methylstyrene, which originates from acidic cleavage of the 3,5-dimethoxy-α,α-dimethyl-benzyl-oxycarbonyl residue, an amino protecting group in peptide synthesis, easily dimerizes in solution to 1,3,3-trimethyl-1-(3,5-dimethoxy)-phenyl-5,7-dimethoxyindan in the presence of trifluoroacetic aciEd.
View full abstract
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Taku Matsuo, Kengo Itoh, Keisuke Takuma, Kunitoshi Hashimoto, Toshihik ...
1980 Volume 9 Issue 8 Pages
1009-1012
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Photosensitized reduction of disodium 9,10-anthraquinonedisulfonate was carried out by the use of vesicles incorporating an amphipathic zinc porphinato complex (ZnC
12TPyP) and electron mediators. An extremely rapid electron-transport across the vesicle wall was observed with 1,3-dibutylalloxazine as the electron mediator. Two-step activations of the sensitizer (ZnC
12TPyP) at the inner- and outer surfaces of vesicles were suggested to account for the electron-transport.
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Teruaki Mukaiyama, Toyonori Takebayashi
1980 Volume 9 Issue 8 Pages
1013-1016
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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The intramolecular Diels–Alder reaction of
N-(5-nitrofurfuryl)-
N-(2-hydroxyphenyl) α,β-unsaturated carboxamides gives good yields of cycloadducts when internal hydrogen bonding is present.
View full abstract
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Masako Sakuragi, Hirochika Sakuragi
1980 Volume 9 Issue 8 Pages
1017-1020
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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On dye-sensitized photooxidation of 1-phenylcyclobutene the formation of 3-benzoylpropanal and 2-phenyl-3-hydroperoxycyclobutene was ascribed to oxidation with singlet oxygen, whereas a reactive oxygen species other than singlet oxygen was responsible for the formation of 1-(2-hydroxyphenyl)cyclopropanecarbaldehyde. Some attempts to explore the latter oxygen species were made.
View full abstract
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Masanobu Shiga, Makoto Takagi, Keihei Ueno
1980 Volume 9 Issue 8 Pages
1021-1022
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Crown-type polyether azo dyes
1∼
3 were synthesized, and the ion-pair extraction of sodium and potassium ion was studied. The extraction behavior resembles those of benzo-type crown ethers, but changes on light illumination due to trans–cis isomerization of the dyes. The cis-form lacks the affinity to metal ions.
View full abstract
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Yoshinori Fujiki, Yu Komatsu, Nobuhiro Ohta
1980 Volume 9 Issue 8 Pages
1023-1026
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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The immobilization of Cs
+ ions in a CsOH solution was studied by using the adsorber of crystalline TiO
2·nH
2O fibers. The adsorbed cesium contents were in a compositional range of Cs
xTi
6O
12+x⁄2(1.5<x≤2). This cesium titanate was remade to the Cs-priderite(Cs
xAl
xTi
8−xO
16:1.5<x≤2) of the hollandite structure type by heating after the addition of Al
2O
3. The most stable immobilizer of Cs
+ ions was obtained by sintering the mixed phases of Cs-priderite and rutile.
View full abstract
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Sotaro Miyano, Masayuki Tobita, Shoji Suzuki, Yukio Nishikawa, Harukic ...
1980 Volume 9 Issue 8 Pages
1027-1030
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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The Ullmann coupling of 1-bromo-2-naphthoates of
C-chiral alcohols of
R- and
S-configuration induced axial dissymmetry of
R- and
S-chirality, respectively, in the newly formed 1,1′-bond of the binaphthyls; the optical yield amounted up to 13% where the chiral alcohol was
l-menthol.
View full abstract
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Otohiko Tsuge, Toshiaki Takata, Michihiko Noguchi
1980 Volume 9 Issue 8 Pages
1031-1034
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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4,6-Diphenylthieno[3,4-
c]-1,2,5-oxadiazole (
1) reacts as a thiocarbonyl ylide with 6,6-diphenylfulvene to give the
exo-[4 + 2] adduct via a stereoselective and regiospecific cycloaddition. The
exo-adduct undergoes thermal cleavage of the oxadiazole ring to nitrile and nitrile oxide moieties which can be trapped as 1,3-cycloadducts to the fulvene and dimethyl acetylenedicarboxylate. The reaction of 4,6-diphenylthieno[3,4-
c]-1,2,5-thiadiazole (
2) with the fulvene affords a mixture of analogous
exo- and
endo-adducts which are subject to a retro-cycloaddition reaction. On the other hand,
1 reacts with tropone to give the corresponding [4 + 6] adduct which is susceptible to a retro-cycloaddition reaction. However,
2 did not react with tropone.
View full abstract
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Koji Kano, Itsuro Takenoshita, Teiichiro Ogawa
1980 Volume 9 Issue 8 Pages
1035-1038
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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Fluorescence quenching of pyrenes and naphthalenes by diethylamine and di-
n-butylamine has been measured in aqueous media with and without cycloheptaamylose. Formation of three component complexes of cycloheptaamylose with a fluorophore and a quencher has been indicated from the catalytic effects of cycloheptaamylose on quenching.
View full abstract
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Akira Kasahara, Taeko Izumi, Hiroshi Umezawa
1980 Volume 9 Issue 8 Pages
1039-1042
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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[0]Metacyclo[2]metacyclo[0](1,1′)ferrocenophane-7-ene revealing transannular electronic interactions was synthesized via the intramolecularly reductive coupling of 1,1′-bis(
m-formylphenyl)ferrocene with TiCl
4–Zn.
View full abstract
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Masaaki Miyashita, Toshiaki Kumazawa, Akira Yoshikoshi
1980 Volume 9 Issue 8 Pages
1043-1044
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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The Lewis acid-catalyzed reaction of nitro olefins and ketene methyl trimethylsilyl acetals afforded methyl 4-oxo-carboxylates on hydrolysis of the resulting adducts followed by treatment with diazomethane.
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Shigeki Saito, Issei Harada, Mitsuo Tasumi, C. H. Eugster
1980 Volume 9 Issue 8 Pages
1045-1048
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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The Raman spectra of all-
trans and 15,15′-
cis-β,β-carotenes were observed using various laser lines for excitation. Differences, not dramatic but significant, were found between the spectra of the two isomers. With ultraviolet excitations both isomers gave a few bands in the C=C stretching region, whereas a single band was observed with visible excitations.
View full abstract
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Tsutomu Okuda, Morio Hiura, Ryukei Boku, Koji Yamada, Hiaso Negita
1980 Volume 9 Issue 8 Pages
1049-1052
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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The Zeeman effects have been measured for both
81Br and
127I nuclei in diethyltin dihalides and the directions of electric field gradient axes have been determined. The temperature dependences of
127I NQR lines have shown anomalous features. The results were accounted for in terms of the intermolecular bonding.
View full abstract
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Akifumi Yamada, Yoshikiyo Kato, Nobuyuki Tanaka
1980 Volume 9 Issue 8 Pages
1053-1056
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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On-line researcher’s databases on the electrical double layer (ELDOL and ELCHEM) have been constructed with a user-oriented database management system COOD (Conversationally Organized Database Management System). Numerical data together with bibliographic informations were stored in these databases. They are supported by graphic display facilities.
View full abstract
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Tadakatsu Mandai, Haruyuki Yokoyama, Toshio Miki, Haruo Fukuda, Hirosh ...
1980 Volume 9 Issue 8 Pages
1057-1060
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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A convenient synthetic method for some functionalized isoprenes employing 1-bromo-2-phenylthioethane and ethyl acetoacetate as starting materials is reported. It has also been found that the dienes thus obtained gave functionalized limonene analogs by Diels–Alder reaction with methyl vinyl ketone.
View full abstract
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Yukio Masaki, Kazuhiko Sakuma, Kenji Kaji
1980 Volume 9 Issue 8 Pages
1061-1062
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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A terpenoid diol component of the pheromonal secretion of the queen butterfly was synthesized stereoselectively from geraniol by means of a site-specific terminal olefin functionalization and the subsequent anionic [2,3]-sigmatropic rearrangement of carbomethoxymethyl allylic sulfide.
View full abstract
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Toshio Eiki, Waichiro Tagaki
1980 Volume 9 Issue 8 Pages
1063-1066
Published: August 05, 1980
Released on J-STAGE: March 27, 2006
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β-Cyclodextrin phosphate has been found to be a remarkable catalyst for the iodine oxidation of benzyl methyl sulfide to the sulfoxide in water.
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