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[5-(5-Azido-2-fluoro-phenyl)-5-difluoromethyl-5,6-dihydro-2H-[1,4]oxazin-3-yl]-carbamic acid tert-butyl ester → [5-(5-Amino-2-fluoro-phenyl)-5-difluoromethyl-5,6-dihydro-2H-[1,4]oxazin-3-yl]-carbamic acid tert-butyl ester

HRID 221698
ノート
印刷プレビュー

反応式

HRID 221698 の反応式
[C:1]([O:5][C:6](=[O:27])[NH:7][C:8]1[CH2:9][O:10][CH2:11][C:12]([C:17]2[CH:22]=[C:21]([N:23]=[N+]=[N-])[CH:20]=[CH:19][C:18]=2[F:26])([CH:14]([F:16])[F:15])[N:13]=1)([CH3:4])([CH3:3])[CH3:2]>CCO.C1COCC1.[Pd]>[C:1]([O:5][C:6](=[O:27])[NH:7][C:8]1[CH2:9][O:10][CH2:11][C:12]([C:17]2[CH:22]=[C:21]([NH2:23])[CH:20]=[CH:19][C:18]=2[F:26])([CH:14]([F:16])[F:15])[N:13]=1)([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

5

反応物 1

HCID 86650258[5-(5-Azido-2-fluoro-phenyl)-5-difluoromethyl-5,6-dihydro-2H-[1,4]oxazin-3-yl]-carbamic acid tert-butyl ester

生成物 1

HCID 66665663[5-(5-Amino-2-fluoro-phenyl)-5-difluoromethyl-5,6-dihydro-2H-[1,4]oxazin-3-yl]-carbamic acid tert-butyl ester

試薬・触媒・溶媒 3

HCID 23938Palladium触媒HCID 702Ethanol溶媒HCID 8028Tetrahydrofuran溶媒

実験手順

A solution of 4.89 g (12.69 mmol) [5-(5-azido-2-fluoro-phenyl)-5-difluoromethyl-5,6-dihydro-2H-[1,4]oxazin-3-yl]-carbamic acid tert-butyl ester in 64 ml EtOH and 17 ml THF was treated with 1.1 g 10% Pd—C and stirred under an atmosphere of hydrogen until the starting material had been consumed. The mixture was diluted with DCM and filtered over celite. The product was purified by chromatography on silica gel (hexane/25-50% EtOAc) to give the desired product as colorless foam.

後処理

  1. customhad been consumed
  2. additionThe mixture was diluted with DCM
  3. filtrationfiltered over celite
  4. customThe product was purified by chromatography on silica gel (hexane/25-50% EtOAc)

出典と根拠

ORDレコード
ord-82569725bf4f4d52a9063710d01a8565
出典データセット
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08207164B2

反応ノート

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