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Lithium Hydroxide → trans-3-{N'-(6-carboxymethoxy-7-oxo-1,6-diaza-bicyclo[3.2.1]octane-2-carbonyl)-hydrazinocarbonyl}-(R)-piperidin-1-carboxylic acid tert-butyl ester

HRID 68360
ノート
印刷プレビュー

反応式

HRID 68360 の反応式
[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH2:11][C@@H:10]([C:14]([NH:16][NH:17][C:18]([C@H:20]2[CH2:26][CH2:25][C@@H:24]3[CH2:27][N:21]2[C:22](=[O:35])[N:23]3[O:28][CH2:29][C:30]([O:32]CC)=[O:31])=[O:19])=[O:15])[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[OH-].[Li+].S([O-])(O)(=O)=O.[K+].C(OCC)(=O)C>O1CCCC1.O>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH2:11][C@@H:10]([C:14]([NH:16][NH:17][C:18]([C@H:20]2[CH2:26][CH2:25][C@@H:24]3[CH2:27][N:21]2[C:22](=[O:35])[N:23]3[O:28][CH2:29][C:30]([OH:32])=[O:31])=[O:19])=[O:15])[CH2:9]1)=[O:7])([CH3:4])([CH3:2])[CH3:3]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 3939Lithium HydroxideHCID 8857Ethyl AcetateHCID 516920Potassium bisulfateHCID 86719964trans-3-{N'-(6-ethoxycarbonylmethoxy-7-oxo-1,6-diaza-bicyclo[3.2.1]octane-2-carbonyl)-hydrazinocarbonyl}-(R)-piperidin-1-carboxylic acid tert-butyl ester

生成物 1

HCID 86719963trans-3-{N'-(6-carboxymethoxy-7-oxo-1,6-diaza-bicyclo[3.2.1]octane-2-carbonyl)-hydrazinocarbonyl}-(R)-piperidin-1-carboxylic acid tert-butyl ester
収率 28.4%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 8028Tetrahydrofuran溶媒

実験手順

To a clear solution of trans-3-{N′-(6-ethoxycarbonylmethoxy-7-oxo-1,6-diaza-bicyclo[3.2.1]octane-2-carbonyl)-hydrazinocarbonyl}-(R)-piperidin-1-carboxylic acid tert-butyl ester (600 mg, 1.20 mmol) in tetrahydrofuran (32 ml) and water (12 ml) was added lithium hydroxide (43.2 mg, 1.8 mmol) at 0° C. The reaction mixture was stirred for 3 hours and was neutralized to pH 6 by addition of aqueous 1 N potassium hydrogen sulfate. It was exacted with ethyl acetate (3×25 ml). Layers were separated and aqueous layer was acidified with 1 N potassium hydrogen sulfate to pH 1 and extracted with ethyl acetate (3×25 ml). The Organic layer was dried over sodium sulfate and evaporated to dryness under vacuum to provide 160 mg of tilted intermediate as a solid in 27% yield.

後処理

  1. customLayers were separated
  2. extractionextracted with ethyl acetate (3×25 ml)
  3. dry with materialThe Organic layer was dried over sodium sulfate
  4. customevaporated to dryness under vacuum

出典と根拠

ORDレコード
ord-abfa148a527a4590acf1a2d9acfbb72c
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08822450B2

反応ノート

読み込み中…

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