Sodium borohydride → 3-Hydroxy-7beta-phenoxyacetylamino-cepham-4alpha-carboxylic acid diphenylmethyl ester

HRID 1155334ノート

反応式

HRID 1155334 の反応式
[C:1]1([CH:7]([O:14][C:15]([C:17]2[N:22]3[C:23](=[O:36])[C@@H:24]([NH:25][C:26](=[O:35])[CH2:27][O:28][C:29]4[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=4)[C@H:21]3[S:20][CH2:19][C:18]=2[OH:37])=[O:16])[C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[BH4-].[Na+]>C(O)(=O)C>[C:1]1([CH:7]([O:14][C:15]([C@@H:17]2[N:22]3[C:23](=[O:36])[C@@H:24]([NH:25][C:26](=[O:35])[CH2:27][O:28][C:29]4[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=4)[C@H:21]3[S:20][CH2:19][CH:18]2[OH:37])=[O:16])[C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=2)[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1

参加物

4

実験手順

In the same manner as that described under (b), 516 mg of 3-hydroxy-7β-phenoxyacetylamino-3-cephem-4-carboxylic acid diphenylmethyl ester (crude product) in 5.1 ml of glacial acetic acid are reduced with 94 mg of sodium borohydride and worked up. The title compound having the properties mentioned under (a) is obtained.

出典と根拠

ORDレコード
ord-19722a8bceae43c0b5825162ba31f3c5
出典データセット
uspto-grants-1981_11
特許番号
US04301279

反応ノート

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