Dimethylthioxanthones Formed by Condensation of 2-Mercaptobenzoic Acid with o-, or w-Xylene in Sulfuric Acid(Organic,Chemical)
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概要
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Various dimethyl-substituted thioxanthones were prepared by the condensation reaction of 2-mercapttjbenzoic acid and o-, w-, or p-xylene in sulfuric acid. Some of them are novel compounds (5, 11, 12, and 13). That is, from o-xylene, 1,2-dimethyl(11)-, 2,3-dimethyl(12)-, and 3,4-dimethylthioxanthones(13) were formed in yields of 9.3,37.1, and 12.8%, respectively. From w-xylene and p-xylene, 2,4-dimethylthioxanthone (4) and 1,4-dimethylthioxanthone (9), respectively, were obtainedby the same condensation reaction. The structures were confirmed on the basis of spectral investigation and comparison with authentic materials obtained by another synthetic route: thecyclization of phenylthiobenzoic acids.
- 公益社団法人日本薬学会の論文
- 1987-06-25
著者
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加藤 旭
Niigata College of Pharmacy
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岡林 一蔵
Niigata College of Pharmacy
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藤原 英俊
Niigata College Of Pharmacy
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木村 道夫
Niigata College Of Pharmacy
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