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The Grignard reaction of 5α-cholest-1-en-3-one (IIIa) in the presence of cuprous chloride gave 1α-methyl-5α-cholestan-3-one (IVa). (IVa) was brominated and dehydrobrominated to give 1α-methylcholest-4-en-3-one (VIa). (VIa) was hydrogenated over palladium-charcoal to give 1α-methyl-5β-cholestan-3-one (VII). Discussions were made on configuration of C-1 methyl group. Similarly, 17β-hydroxy-5α-androst-1-en-3-one (IIIb) was transformed into (IVb) and (VIb).
収録刊行物
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- CHEMICAL & PHARMACEUTICAL BULLETIN
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CHEMICAL & PHARMACEUTICAL BULLETIN 10 (5), 386-390, 1962
公益社団法人 日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1390282679145763328
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- NII論文ID
- 110003618868
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- NII書誌ID
- AA00602100
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- COI
- 1:STN:280:CC2D2sjkvFY%3D
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- ISSN
- 13475223
- 00092363
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- PubMed
- 14476005
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可