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Takuji Kawashima, Kazuhiro Tomida, Naotomo Tominaga, Takekazu Kobayash ...
1984 Volume 13 Issue 5 Pages
653-656
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
JOURNAL
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A microbial sensor for uric acid has been devised by coupling intact yeast cells (
Pichia membranaefaciens 162300) with a carbon dioxide electrode. The resulting sensor has a markedly longer lifetime than the corresponding isolated enzyme sensor. The response slopes ranging from 37 to 42 mV per decade were obtained over the concentration range 1.0×10
−4–2.5×10
−3 mol dm
−3 uric acid during the period 4–50 d.
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Takayuki Matsushita, Noboru Kubota, Manabu Fujiwara, Toshiyuki Shono
1984 Volume 13 Issue 5 Pages
657-660
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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A novel polymer ligand (Poly-L) in which 6,8,15,17-tetramethyl-dibenzo-5,9,14,18-tetraazacyclotetradecene (L) is present as an integral part of the polymer backbone was synthesized and its solvent extraction of copper(II) and nickel(II) was investigated in comparison with L. The complexation reactions of Poly-L with the above metal ions were found to be much faster than those of L, with a high selectivity for copper(II).
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Susumu Tsuchiya, Shigeyuki Takase, Hayao Imamura
1984 Volume 13 Issue 5 Pages
661-664
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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The superbasic sites on a rubidium oxide and a caesium oxide have been revealed by means of the benzoic acid titration method. The double-bond-migration and the cis–trans isomerization of butenes took place over the rubidium oxide and the caesium oxide; but the skeletal isomerization was not observed.
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Kazuhisa Abe, Minoru Hirota, Gaku Yamamoto, Michnori Oki
1984 Volume 13 Issue 5 Pages
665-668
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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The rotamer distributions and the optimized geometries of peri-substituted 9-(1-methoxyethyl)triptycene derivatives were determined by means of molecular force-field calculations (MM2). The results agreed well with those from the NMR experiments except for the derivative containing the intramolecular hydrogen bonding.
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Noritaka Mizuno, Makoto Misono
1984 Volume 13 Issue 5 Pages
669-672
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Redox processes (reductions by H
2 and CO, and reoxidation by O
2) over M
xH
3−xPMo
12O
40 (x=0-3, M=Na, Cs) were classified into two groups. This classification was important in
catalytic oxidations of H
2 and CO, which proceeded by redox mechanism.
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Hyung Soo Lee, Kakuzo Isagawa, Hiromu Toyoda, Yoshio Otsuji
1984 Volume 13 Issue 5 Pages
673-676
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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The titanium complex prepared from TiCl
3 and NaBH
4 in THF in the presence of 18-crown-6 promotes the catalytic hydroboration of carbon–carbon double bonds in alkenes, alkadienes and unsaturated ethers with NaBH
4, giving sodium organoborates which can be converted into alcohols by oxidation with H
2O
2/CH
3ONa. The reaction proceeds with high regio- and stereo-selectivities.
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Masuo Funabashi, Shigetake Yoshioka
1984 Volume 13 Issue 5 Pages
677-680
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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As a basic study of metabolism of 1,5-anhydro-
D-glucitol, which has recently been identified in both human cerebrospinal fluid and plasma, the title compounds were conveniently synthesized as preliminary targets not only for multideuteration but for tritium labelling.
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Paul Maragaretha, Vernon D. Parker
1984 Volume 13 Issue 5 Pages
681-684
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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The anion radical of isobutylidene Meldrum’s acid undergoes dimerization by coupling with substrate to give an intermediate which is converted to dimer by electron transfer reduction from the anion radical.
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Takashi Tatsumi, Atsushi Muramatsu, Hiro-o Tominaga
1984 Volume 13 Issue 5 Pages
685-688
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Silica-supported molybdenum catalysts, promoted by alkali metal halides, give C
1–C
5 alcohols with good selectivity (up to 72% by weight of the total product, exclusive of CO
2) from a CO–H
2 mixture at 16 kg/cm
2 and 260–300 °C.
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Mitsuo Takasugi, Nobuyuki Niino, Shigemitsu Nagao, Masaki Anetai, Tada ...
1984 Volume 13 Issue 5 Pages
689-692
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
JOURNAL
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The fungus-inoculated
Broussonetia papyrifera shoot cortical tissues produced eight minor antifungal compounds: two flavans named broussinol and demethylbroussin, four 1,3-diphenylpropanes named broussonin C–F, and two chalcones. Isolation and structure elucidation of these compounds are described.
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Mitsuo Takasugi, Nobuyuki Niino, Masaki Anetai, Tadashi Masamune, Akir ...
1984 Volume 13 Issue 5 Pages
693-694
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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The fungus-inoculated
Broussonetia papyrifera shoot cortical tissues produced two stress metabolites named spirobroussonin A and B. Structure elucidation of these compounds is described.
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Mario Aoki, Tadao Uyehara, Tadahiro Kato
1984 Volume 13 Issue 5 Pages
695-698
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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The titled natural product was synthesized from 3,7,11-trimethyl-cyclotetradeca-2E,6E,10E-trienone.
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Shigeo Suzuki, Katsuhiko Kogai, Yoshio Ono
1984 Volume 13 Issue 5 Pages
699-702
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Palladium dodecatungstophosphate (Pd
3(PW
12O
40)
2) supported on silica is an active and selective catalyst for the isomerization of pentane and hexane in the presence of hydrogen. Thus, hexane could be isomerized in a flow system under atmospheric pressure over 90% selectivity at 483 K. The reaction proceeds in a dual-dunctional mechanism; palladium metal formed by the reduction of palladium(II), and protons, act as a hydrogenation-dehydrogenation catalyst and an olefin-isomerization catalyst, respectively.
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Noboru Yoshida, Akitoshi Seiyama, Masatoshi Fujimoto
1984 Volume 13 Issue 5 Pages
703-706
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Inclusion reactions of the title azo compounds with α-cyclodextrin were studied in aqueous solution by means of the stopped-flow method. The forward rate constants for the inclusion reactions were found to be in the order of magnitude 10
2–10
4 mol
−1 dm
3 s
−1 Activation parameters were first determined for α-cyclodextrin system.
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Junzo Nokami, Toshio Ono, Yasunobu Kajitani, Shoji Wakabayashi
1984 Volume 13 Issue 5 Pages
707-708
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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The title compound has been synthesized via “three-component coupling process” which consisted of 1,4-addition of sulfonyl-carbanion to a butenolide and alkylation of the resulting enolate with propargylic iodide.
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Otohiko Tsuge, Eiji Wada, Shuji Kanemasa, Hirohiko Sakoh
1984 Volume 13 Issue 5 Pages
709-712
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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A method for the two six-membered rings annelation to cyclic ketones through two sequential Diels–Alder reactions is presented. Naphtho-annelated cycloalkanes with a variety of unsaturation are accessible by choosing the kind of dienophiles, the order of their use, and dehydrogenation.
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Shoji Kajigaeshi, Takashi Nakagawa, Shizuo Fujisaki, Akiko Nishida, Mi ...
1984 Volume 13 Issue 5 Pages
713-714
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Amines are prepared in fairly good yields by the reaction of amides with sodium bromite in the presence of catalytic amount of sodium bromide in aqueous sodium hydroxide. The scope and limitations are also presented.
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Tadakatsu Mandai, Hiroyasu Yasunaga, Mikio Kawada, Junzo Otera
1984 Volume 13 Issue 5 Pages
715-716
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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An electrolytic method for deblocking a methylthiomethyl group is newly developed.
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Toyoki Kunitake, Nobuyuki Higashi, Tisato Kajiyama
1984 Volume 13 Issue 5 Pages
717-720
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Casting of aqueous fluorocarbon bilayers with and without poly(vinyl alcohol) produced self-supporting films in which the bilayers are aligned parallel to the film plane. Permeation of O
2 through these films was faster by factors of 2.4 to 2.7 than that of N
2.
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Haruo Shiromaru, Kouichi Takeshita, Shunji Katsumata
1984 Volume 13 Issue 5 Pages
721-724
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
JOURNAL
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The magnitude of the Jahn–Teller splitting of the
2T
2 ionic state of methane was successfully calculated without determining the potential surface of the ionic state. This method can be easily applied to analyses of Jahn-Teller splittings observed in photoelectron spectroscopy.
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Takashi Ando, Takehiko Kawate, Junko Ichihara (nee Yamawaki), Terukiyo ...
1984 Volume 13 Issue 5 Pages
725-728
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Combined use of alumina, a trace of water, and ultrasound greatly accelerated a solid–liquid two-phase nucleophilic substitution by cyanide ion in nonpolar organic solvents. The efficiency under the optimum conditions were compared with that of phase transfer catalysts such as 18-crown-6.
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Akira Saito, Hajime Matsushita, Hajime Kaneko
1984 Volume 13 Issue 5 Pages
729-730
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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(±)-Anastrephin and (±)-epianastrephin, sex and aggregation pheromenes of Caribbean and Mexican fruit flies, were synthesized by acid-catalyzed cyclization of 10-hydroxy-4,8-dimethyldeca-(3E,8E)-3,8-dienoic acid in 67% yield as a 1:1 mixture.
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Chiyoko Nakazato, Takahiro Masuda
1984 Volume 13 Issue 5 Pages
731-734
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Relative reaction rates were determined for the reaction of electron produced in radiolysis of zeolite with several electron scavengers by a competition method using N
2O as a reference compound. A trend in the relative reactivities was very close to that reported for liquid 2,2-dimethylpropane.
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Sadao Matsuura, Shizuaki Murata, Takashi Sugimoto
1984 Volume 13 Issue 5 Pages
735-738
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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(6
R)-Tetrahydrobiopterin cofactor for aromatic amino acid hydroxylases was synthesized stereoselectively by catalytic hydrogenation of biopterin over platinum oxide at pH 11.4 and subsequent crystallization from hydrochloric acid and ethanol.
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Yoshio Okamoto, Mitsunobu Kawashima, Koji Yamamoto, Koichi Hatada
1984 Volume 13 Issue 5 Pages
739-742
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
JOURNAL
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Cellulose triacetate and tribenzoate coated on macroporous silica gel showed excellent capabilities of chiral recognition as packing materials for high-performance liquid chromatographic resolution of various enantiomers. Chiral recognition by the cellulose triacetate was different from that by the microcrystalline cellulose triacetate.
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Kazuhiro Maruyama, Hitoshi Tamiaki, Shigeki Kawabata
1984 Volume 13 Issue 5 Pages
743-746
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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By action of insoluble catalysts, cobalt tetraphenylporphyrin or cobalt phthalocyanine adsorbed on activated carbon, water-soluble quadricyclane derivative was isomerized to norbornadiene derivative under release of heat in an alkaline solution. The activities of these insoluble catalysts were as high as those of water-soluble catalysts.
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Tatsuichi Maehashi, Ken-ichi Maruya, Kazunari Domen, Ken-ichi Aika, Ta ...
1984 Volume 13 Issue 5 Pages
747-748
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Iso-butene was selectively produced from CO–H
2 reaction over ZrO
2 catalyst under moderate conditions (0.5–21 atm, 300–450 °C).
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Junzo Yamashita, Shigemi Tomiyama, Harukichi Hashimoto, Keiichi Kitaha ...
1984 Volume 13 Issue 5 Pages
749-752
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Asymmetric reduction of acetophenone with chiral reagents from lithium tetrahydroaluminate and (1S,2S)-1,2-diphenylethanediol or (1S,2S)-
N,
N′-diethyl-1,2-diphenylethanediamine in the presence or absence of added ethanol is studied by aluminum-27 NMR spectroscopy.
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Teruaki Mukaiyama, Nobuharu Iwasawa
1984 Volume 13 Issue 5 Pages
753-756
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
JOURNAL
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In the stannous triflate mediated aldol-type reactions of 3-(2-benzyloxyacetyl)thiazolidine-2-thione, stereochemical course of the reactions is dramatically altered by the addition of tetramethylethylenediamine as a ligand. High asymmetric induction is also achieved by the addition of chiral diamine derived from
L-prolin.
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Yoshio Okamoto, Takahiro Takeda, Koichi Hatada
1984 Volume 13 Issue 5 Pages
757-760
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Circular dichroism spectra of fluorenyllithium, benzyllithium, diphenylmethyllithium, triphenylmethyllithium, and 1,1-diphenylhexyllithium were measured in the presence of chiral tertiary diamines, (−)-sparteine, (+)- and (−)-2,3-dimethoxy-1,4-bis(dimethylamino)butane. All the carbanions showed induced circular dichroism (ICD) in nonpolar mediums.
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Kazuaki Yamahari, Yoichi Shimura
1984 Volume 13 Issue 5 Pages
761-764
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
JOURNAL
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Two diastereomers due to the chiral
O-bonded sulfinate in Λ-[Co(NH
2CH
2CH
2SO
2-
N,
O)(en)
2](ClO
4)
2 were separated and characterized by the visible-UV absorption, circular dichroism(CD), and
13C NMR spectra. The absolute configurations were determined by comparison of the CD spectra with that of the corresponding
O-bonded Λ-
R-seleninato complex. The racemization of the chiral sulfinato moiety proceeded at a relatively slow rate, which is responsible for the successful separation of the diastereomers.
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Yoshio Ishino, Kohji Wakamoto, Tsuneaki Hirashima
1984 Volume 13 Issue 5 Pages
765-768
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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trans-2-Substituted-2-butene-1,4-diols were readily obtained by reactions of 2-butyne-1,4-diol with Grignard reagents in good yields.
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Akira Sugimori, Shoji Mori, Kazuo Maeda, Masayuki Nishijima
1984 Volume 13 Issue 5 Pages
769-772
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Gamma-irradiation of pyridinecarbonitriles in alcohol in the presence of sulfuric acid brings about the substitution of the alkyl group derived from alcohol for the ring hydrogen, while that in the absence of sulfuric acid causes the substitution of hydroxy-alkyl group for CN at the 2- and 4-positions. Hydroxyalkyl radicals and solvated electrons play important role in the substitution.
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Kozaburo Nishiyama, Akio Watanabe
1984 Volume 13 Issue 5 Pages
773-774
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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In the presence of zinc chloride, the reaction of aromatic aldehydes with trimethylsilyl azide (TMSA) gave readily the corresponding nitriles in good yields under mild conditions.
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Elena Carceller, Assumpta Castelló, M. Lluísa Garc&iacut ...
1984 Volume 13 Issue 5 Pages
775-778
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Cyclic acetal groups at the position 8 of the
cis-bicyclo|3.3.0|octane system may act as regio- and stereoselective control elements, respectively, in hydroboration and oxymercuration reactions. Whereas the regioselectivity observed in hydroborations must be ascribed to homoallylic inductive effects, and leads predominantly to
exo, 1,3-bifunctional relationships, the effect of acetal group in oxymercuration is mainly stereoselective due to coordination of mercury acetate with the nonbonding electron pairs of the
endo-oxygen atom of the acetal group, and leads predominantly to
exo, 1,4-bifunctional relationships.
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Haruhiko Tada, Fumio Yasuda
1984 Volume 13 Issue 5 Pages
779-780
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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A new C23 polyacetylene diol was isolated from the marine sponge
S. truncata and its structure was elucidated mainly on the basis of its spectral data.
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Reizo Kato, Takehiko Mori, Akiko Kobayashi, Yukiyoshi Sasaki, Hayao Ko ...
1984 Volume 13 Issue 5 Pages
781-784
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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The crystal of (BPDT-TTF)
3(PF
6)
2 (BPDT-TTF=bis(propylenedithio)-tetrathiafulvalene) contains the one-dimensional columns of BPDT-TTF molecules along the a axis. These columns are interrelated to each other by close S···S contacts. The non-planarity of the molecule results in a relatively small number of intra- and inter-stack close S···S contacts. The conductivity is thermally activated, and the anisotropy of the conductivity is σ
a:σ
b:σ
c=1:10
−1:10
−3.
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Shuhei Miyazawa, Kiyoshi Ikeda, Kazuo Achiwa, Minoru Sekiya
1984 Volume 13 Issue 5 Pages
785-788
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Bis(methylthiomethyl)amines have been shown to react with diketene silyl acetals in the presence of trimethylsilyl triflate catalyst to give five- to seven-membered alicyclic amines.
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Hideo Nagashima, Toshiyuki Ohshima, Kenji Itoh
1984 Volume 13 Issue 5 Pages
789-792
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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The first Ru(IV) methyl complexes, Ru(CH
3)
2(1-3:6-7:10-12-η-C
12H
18) and Ru(CH
3)I(1-3:6-7:10-12-ηC
12H
18), are Prepared by organometallic methylation of RuCl
2(1-3:6-7:10-12-η-C
12H
18).
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Hideo Nagashima, Toshiyuki Ohshima, Kenji Itoh
1984 Volume 13 Issue 5 Pages
793-796
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Treatment of Ru(CH
3)I(1-3:6-7:10-12-η-C
12H
18) with CO,
tBuNC, or phosphites facilitates reductive coupling of the methyl group and the π-allyl moiety to give Ru(II) complexes, RuIL
3(1-3-η-C
13H
21) [L=CO,
tBuNC,P(OR)
3]. Addition of one equivalent of
tBuNC leads to selctive formation of Ru(
tBuNC)I(1-3:6-7:11-12-η-C
13H
21).
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Otohiko Tsuge, Kazunori Ueno, Shuji Kanemasa
1984 Volume 13 Issue 5 Pages
797-800
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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The reaction of nitrones, derived from benzaldehydes having an olefinic dipolarophile at the o-position, with DMAD provides the first example for the inter- and intramolecular double 1,3-dipolar cycloaddition.
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Otohiko Tsuge, Shuji Kanemasa, Akira Hatada, Koyo Matsuda
1984 Volume 13 Issue 5 Pages
801-804
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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An
N-(trimethylsilylmethyl)imine generates the azomethine ylide 1,3-dipole of nonstabilized type, when treated with water, which cycloadds to olefinic dipolarophiles in a stereospecific and regioselective manner.
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Hiroaki Sawai
1984 Volume 13 Issue 5 Pages
805-808
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Oligoadenylic acids containing 2′-5′ phosphoramide linkage were prepared by poly (U) template-directed condensation. Some of their properties are described.
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Chiaki Iwakura, Masahiro Kitayama, Toshiyuki Edamoto, Hideo Tamura
1984 Volume 13 Issue 5 Pages
809-812
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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A fundamental work was carried out on the development of a new electrolysis method using a rotating cell and a permanent magnet. As a result, it was proved that the rotation of the conducting cell in an external magnetic field can induce a dc potential difference by which electrochemical reactions are directly brought about.
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Yuji Ishikawa, Kunihiko Tajima, Kazuo Mukai, Osamu Ochi, Kazuhiko Ishi ...
1984 Volume 13 Issue 5 Pages
813-816
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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An Egg-Yolk lecithin liposome containing the surfacant cyclic polyamine was prepared, and a dynamical behavior of its Cu(II) ion uptake was studied by monitoring a time dependent decay of the isotropic copper nucleus hyperfine splitting in the ESR upon metal incorporation into a liposomal membrane. The reaction kinetics studied by ESR justified the fact that there are the two kinds of metal binding processes, in which the distinctive time course and the activation energy can be clearly demonstrated.
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Seitaro Namba, Akira Inaka, Tatsuaki Yashima
1984 Volume 13 Issue 5 Pages
817-820
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Upon the SiCl
4 treatment at 723–923 K the dealumination of NaZSM-5 zeolite took place without destruction of zeolite structure. At the higher temperature the more selective removal of framework aluminum on the external surface of zeolite crystallites was performed.
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Masa-aki Kakimoto, Shin-ichi Ogata, Amane Mochizuki, Yoshio Imai
1984 Volume 13 Issue 5 Pages
821-824
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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It was found that amidines were obtained directly by the reaction of carboxylic acids with amines in the presence of PPSE, and the yields of amidines were dependent on the structure of amines rather than that of carboxylic acids.
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Yoichi Ogata, Ken-ichi Aika, Takaharu Onishi
1984 Volume 13 Issue 5 Pages
825-828
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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Turn over frequency (TOF) of isotopic equilibration reaction of N
2 over Raney-Ru was as high as those over supported Ru catalysts with K, showing the striking effectiveness of the residual Al metal as a chemical promoter. Raney-Ru when promoted with K had the highest TOF for this reaction among the data so far reported.
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Masatoshi Asami
1984 Volume 13 Issue 5 Pages
829-832
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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(
S)-2-Cyclohexen-1-ol is prepared in 92% ee from cyclohexene oxide by using chiral lithium amides, prepared from butyllithium and (
S)-2-(disubstituted aminomethyl)pyrrolidines, as bases.
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Haruo Matsuyama, Yasuyuki Miyazawa, Yuji Takei, Michio Kobayashi
1984 Volume 13 Issue 5 Pages
833-836
Published: May 05, 1984
Released on J-STAGE: March 27, 2006
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2-Alkyl-3-cyclopentenones were prepared in moderate yields starting from tetrahydrothiopyran-4-one by the one-pot Ramberg–Bäcklund reaction of 6-alkyl-1,4-dioxa-8-thiaspiro[4.5]decane 8,8-dioxides, followed by acid catalyzed de-dioxolanation.
View full abstract
