Bile Acids and Steroids. XXII. Thiosteroids. (7). Synthesis of Some Thiazolo [5', 4'-16,17] steroids by the Hantzsh Reactions.
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概要
- 論文の詳細を見る
2'-Methylthiazolo [5', 4'-16.17] androsta-15,16-dien-3β-ol (VII) was prepared by an established method from 3β-acetoxy-16β-bromoandrost-5-en-17-one (VI) and thioacetamide. Consequently the aromatic compound (IV) which was obtained by dehydration of the by-product (III) of the Beckmann rearrangement of the oxime-mixture (Ia) and (Ib) of 3β-acetoxy-17α-hydroxy-16β-thiocyanatopregn-5-en-20-one and which was assigned an uncorrect thiazol structure (VII) in the previous paper, should be 3'-methylisothiazolo [5', 4'-16,17] androsta-5,16-dien-3β-ol acetate. 2'-Amino-16,17-disubstituted thiazolo-compound was also prepared from (VI) and thiourea.
- 社団法人日本薬学会の論文
- 1962-12-25
著者
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武田 健一
Research Laboratory, Shionogi & Co., Ltd.
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米野 太一郎
Research Laboratory, Shionogi & Co., Ltd.
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武田 健一
Research Laboratory Shionogi & Co. Ltd.
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Takeda Ken'ichi
Shionogi Research Laboratory Shionogi & Co. Ltd.
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米野 太一郎
Shionogi Research Laboratory Shionogi & Co. Ltd.
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