Journal of Synthetic Organic Chemistry, Japan

Online ISSN : 1883-6526
Print ISSN : 0037-9980
ISSN-L : 0037-9980

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Volume 33, Issue 10

Displaying 1-8 of 8 articles from this issue

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A Future Image of Organic Synthetic Chemical Industry

Noboru YAMADA

1975Volume 33Issue 10 Pages 729-736
Published: 1975
Released on J-STAGE: November 13, 2009

DOIhttps://doi.org/10.5059/yukigoseikyokaishi.33.729

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Raw Materials for Organic Synthesis in Future

Yoshihiko HIRAKAWA

1975Volume 33Issue 10 Pages 737-747
Published: 1975
Released on J-STAGE: November 13, 2009

DOIhttps://doi.org/10.5059/yukigoseikyokaishi.33.737

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The Synthesis of Carbodiimides from N, N '-Disubstituted Thioureas and 2-Chloro-4, 6-dimethylpyrimidine, 2, 4-Dichloropyrimidine or N-Phenylbenzimidoyl Chloride

Sadayoshi FURUMOTO

1975Volume 33Issue 10 Pages 748-752
Published: 1975
Released on J-STAGE: November 13, 2009

DOIhttps://doi.org/10.5059/yukigoseikyokaishi.33.748

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Aliphatic or alicyclic N, N '-disubstituted thioureas were allowed to react with an equimolar amount of 2-chloro-4, 6-dimethylpyrimidine (2-Cl-DMP) or 1/2 molar amount of 2, 4-dichloropyrimidine (2, 4-D-Cl-P) in the presence of hydrochloric acid at room temperature. When the reaction products were heated with an excess sodium hydroxide solution, N, N '-disubstituted carbodiimides were obtained in about 1580% yields.
Alkaline solution from 2-Cl-DMP was acidified with acetic acid to give 2-mercapto-4, 6-dimethylpyrimidine in about 6070% of yield, and alkaline solution from 2, 4-D-Cl-P was acidified with hydrochloric acid to give 2, 4-dimercaptopyrimidine in about 8590% of yield.
In the process of above reaetions, N, N '-disubstituted ureas were obtained as by-product.
Reactions of N-phenylbenzimidoyl chloride (N-Ph-BI-Cl) with thioureas were carried out to observe the formation of carbodiimide and thiobenzanilide.

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Radiation Treatment of Waste Gas

Tomomichi KASAMATSU

1975Volume 33Issue 10 Pages 753-755
Published: 1975
Released on J-STAGE: November 13, 2009

DOIhttps://doi.org/10.5059/yukigoseikyokaishi.33.753

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The Aldol Condensation and its Industrial Technology

Toshiyuki TANAKA, Reikichi NOZAWA

1975Volume 33Issue 10 Pages 756-760
Published: 1975
Released on J-STAGE: November 13, 2009

DOIhttps://doi.org/10.5059/yukigoseikyokaishi.33.756

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Changes of Manufacturing Process for Terephthalic Acid & Dimethylphthalate as Raw Materials of Polyester

Ryoichi SAKURAI, Yataro ICHIKAWA, Gentaro YAMASHITA

1975Volume 33Issue 10 Pages 761-770
Published: 1975
Released on J-STAGE: November 13, 2009

DOIhttps://doi.org/10.5059/yukigoseikyokaishi.33.761

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[title in Japanese]

[in Japanese]

1975Volume 33Issue 10 Pages 774
Published: 1975
Released on J-STAGE: November 13, 2009

DOIhttps://doi.org/10.5059/yukigoseikyokaishi.33.774

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese], [in Japanese]

1975Volume 33Issue 10 Pages 775
Published: 1975
Released on J-STAGE: November 13, 2009

DOIhttps://doi.org/10.5059/yukigoseikyokaishi.33.775

JOURNAL FREE ACCESS

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