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N,N-Diethylaniline → Benzhydryl 7-cyanomethylthioacetamido-3-(1-methyl-1H-tetrazol-5-yl)vinyl-3-cephem-4-carboxylate

HRID 26039
ノート
印刷プレビュー

反応式

HRID 26039 の反応式
[NH2:1][CH:2]1[C:33](=[O:34])[N:4]2[C:5]([C:17]([O:19][CH:20]([C:27]3[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=3)[C:21]3[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=3)=[O:18])=[C:6]([CH:9]=[CH:10][C:11]3[N:15]([CH3:16])[N:14]=[N:13][N:12]=3)[CH2:7][S:8][C@H:3]12.C(N(CC)C1C=CC=CC=1)C.[C:46]([CH2:48][CH2:49][C:50](Cl)=[S:51])#[N:47]>O1CCCC1>[C:46]([CH2:48][CH2:49][C:50]([NH:1][CH:2]1[C:33](=[O:34])[N:4]2[C:5]([C:17]([O:19][CH:20]([C:27]3[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=3)[C:21]3[CH:22]=[CH:23][CH:24]=[CH:25][CH:26]=3)=[O:18])=[C:6]([CH:9]=[CH:10][C:11]3[N:15]([CH3:16])[N:14]=[N:13][N:12]=3)[CH2:7][S:8][C@H:3]12)=[S:51])#[N:47]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 7061N,N-DiethylanilineHCID 19989189Cyanomethylthioacetyl chlorideHCID 131711470benzhydryl 7-amino-3-(1-methyl-1H-tetrazol-5-yl)vinyl-3-cephem-4-carboxylate

生成物 1

HCID 131711469Benzhydryl 7-cyanomethylthioacetamido-3-(1-methyl-1H-tetrazol-5-yl)vinyl-3-cephem-4-carboxylate

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒
2 回

実験手順

To 244 mg of benzhydryl 7-amino-3-(1-methyl-1H-tetrazol-5-yl)vinyl-3-cephem-4-carboxylate in 20 ml of anhydrous tetrahydrofuran were added dropwise at -7° C. with stirring 115 mg of N,N-diethylaniline and, subsequently, 115 mg of cyanomethylthioacetyl chloride in 5 ml of anhydrous tetrahydrofuran. After completion of the reaction, the reaction mixture was then treated in the same manner as in Example 1--(a) to give a crude product. The crude product was purified by developing it with ethyl acetate by the use of silica gel thin layer chromatography (20×20×0.2 cm) to yield 50 mg of benzhydryl 7-cyanomethylthioacetamido-3-(1-methyl-1H-tetrazol-5-yl)vinyl-3-cephem-4-carboxylate.

後処理

  1. customAfter completion of the reaction
  2. additionthe reaction mixture was then treated in the same manner as in Example 1

出典と根拠

ORDレコード
ord-9ccf351a7ed6494b8dcd9d01fb533e95
出典データセット
uspto-grants-1979_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04147863

反応ノート

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