Amino acids and peptides. XXVII. A novel reductive cleavage of N-C-N bonds with sodium borohydride.
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(3S)-tert-Butyl 2-benzyloxycarbonyl-1, 2, 3, 4-tetrahydro-β-carboline-3-carbamate (III), prepared by the modified Curtius reaction of (3S)-2-benzyloxycarbonyl-1, 2, 3, 4-tetrahydro-β-carboline-3-carboxylic acid (II) with diphenyl phosphorazidate (DPPA) and triethylamine in tert-butyl alcohol, afforded 2-ethyloxycarbonylaminomethyl-3-(2-tert-butyloxy-carbonylamino) ethylindole (Va) by sodium borohydride reduction in ethanol, while reduction in 2-propanol gave the corresponding 2-propyl derivative (Vb) and the compound (VI) containing a novel diazocinoindole skeleton. The mechanism of the reductive cleavage was discussed. Tetrahydropyrrole analog (X) of III and 2-acetyl analog of III afforded the similar ring-cleavage products (XI and XV) by sodium borohydride reduction.
収録刊行物
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- CHEMICAL & PHARMACEUTICAL BULLETIN
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CHEMICAL & PHARMACEUTICAL BULLETIN 25 (7), 1559-1565, 1977
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
- 1390001204169437568
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- NII論文ID
- 110003622612
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- NII書誌ID
- AA00602100
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- ISSN
- 13475223
- 00092363
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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
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可