ホームMCPワークベンチSkills
ホームワークベンチ通知マイページ
llms.txt · MCPガイドプライバシーポリシー · 利用規約 · サポートv1.8.0
  1. ホーム
  2. /反応

Ethyl Acetate → Benzhydryl 7-[2-ethoxyimino-2-(5-amino-1,2,4-thiadiazol-3-yl)acetamido]-3-[2-(3-pyridyl)thiovinyl]-3-cephem-4-carboxylate

HRID 1380967
ノート
印刷プレビュー

反応式

HRID 1380967 の反応式
[NH2:1][CH:2]1[C:34](=[O:35])[N:4]2[C:5]([C:18]([O:20][CH:21]([C:28]3[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=3)[C:22]3[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=3)=[O:19])=[C:6]([CH:9]=[CH:10][S:11][C:12]3[CH:13]=[N:14][CH:15]=[CH:16][CH:17]=3)[CH2:7][S:8][C@H:3]12.Cl.[CH2:37]([O:39][N:40]=[C:41]([C:45]1[N:49]=[C:48]([NH2:50])[S:47][N:46]=1)[C:42](Cl)=[O:43])[CH3:38].C(OCC)(=O)C>O1CCCC1>[CH2:37]([O:39][N:40]=[C:41]([C:45]1[N:49]=[C:48]([NH2:50])[S:47][N:46]=1)[C:42]([NH:1][CH:2]1[C:34](=[O:35])[N:4]2[C:5]([C:18]([O:20][CH:21]([C:28]3[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=3)[C:22]3[CH:23]=[CH:24][CH:25]=[CH:26][CH:27]=3)=[O:19])=[C:6]([CH:9]=[CH:10][S:11][C:12]3[CH:13]=[N:14][CH:15]=[CH:16][CH:17]=3)[CH2:7][S:8][C@H:3]12)=[O:43])[CH3:38]
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 8857Ethyl AcetateHCID 867392542-Ethoxyimino-2-(5-amino-1,2,4-thiadiazol-3-yl)acetyl chloride hydrochlorideHCID 131714633Benzhydryl 7-amino-3-[2-(3-pyridyl)thiovinyl]-3-cephem-4-carboxylate

生成物 1

HCID 131714632Benzhydryl 7-[2-ethoxyimino-2-(5-amino-1,2,4-thiadiazol-3-yl)acetamido]-3-[2-(3-pyridyl)thiovinyl]-3-cephem-4-carboxylate収率 74.1%

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒

実験手順

To a solution of benzhydryl 7-amino-3-[2-(3-pyridyl)thiovinyl]-3-cephem-4-carboxylate (trans isomer) (3 g) in tetrahydrofuran (30 ml) containing monotrimethylsilyl acetamide (5 g) was added 2-ethoxyimino-2-(5-amino-1,2,4-thiadiazol-3-yl)acetyl chloride hydrochloride (syn isomer) (1.8 g) under stirring at -10°-0° C. The reaction mixture was stirred at the same temperature for 30 minutes. After addition of ethyl acetate (150 ml) and a small amount of water, the separated organic layer was washed in turn with saturated aqueous sodium bicarbonate and brine, dried over magnesium sulfate. The solvent was evaporated in vacuo to give benzhydryl 7-[2-ethoxyimino-2-(5-amino-1,2,4-thiadiazol-3-yl)acetamido]-3-[2-(3-pyridyl)thiovinyl]-3-cephem-4-carboxylate (syn isomer) (trans isomer) (3.1 g).

後処理

  1. stirringThe reaction mixture was stirred at the same temperature for 30 minutes
  2. washa small amount of water, the separated organic layer was washed in turn with saturated aqueous sodium bicarbonate and brine
  3. dry with materialdried over magnesium sulfate
  4. customThe solvent was evaporated in vacuo

出典と根拠

ORDレコード
ord-03ad118940774636b39629e1ac21422d
出典データセット
uspto-grants-1986_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04584290

反応ノート

読み込み中…

このページの内容参加物実験手順後処理出典と根拠反応ノート