Ethyl Acetate → 2-{[(Benzyloxy)carbonyl]amino}-3-(3-{[(t-butoxycarbonyl)amino]methyl}-4-methoxyphenyl)-2-propenoic acid methyl ester

HRID 1296218

反応式

HRID 1296218 の反応式
[CH:1]([C:3]1[CH:4]=[CH:5][C:6]([O:18][CH3:19])=[C:7]([CH:17]=1)[CH2:8][NH:9][C:10](=[O:16])[O:11][C:12]([CH3:15])([CH3:14])[CH3:13])=O.[CH2:20]([O:27][C:28]([NH:30][CH:31](P(OC)(OC)=O)[C:32]([O-:34])=[O:33])=[O:29])[C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1.[CH2:41]1CCN2C(=NCCC2)CC1.C(OCC)(=O)C>ClCCl>[CH3:41][O:34][C:32](=[O:33])[C:31]([NH:30][C:28]([O:27][CH2:20][C:21]1[CH:22]=[CH:23][CH:24]=[CH:25][CH:26]=1)=[O:29])=[CH:1][C:3]1[CH:4]=[CH:5][C:6]([O:18][CH3:19])=[C:7]([CH2:8][NH:9][C:10]([O:11][C:12]([CH3:15])([CH3:14])[CH3:13])=[O:16])[CH:17]=1

参加物

6

実験手順

2.65 g of t-butyl N-(5-formyl-2-methoxybenzyl)carbamate, 3.81 g of methyl 2-([(benzyloxy)carbonyl]amino-2-(dimethoxyphosphoryl)acetate and 1.75 g of 1,8-diazabicyclo[5,4,0]-7-undecene were dissolved in 50 ml of dichloromethane, followed by stirring for 15 hours at room temperature. 300 ml of ethyl acetate was added, and the organic layer was successively washed with 150 ml of water and 150 ml of brine, dried over magnesium sulfate and concentrated. The residue was purified by silica gel column chromatography, and 4.09 g of 2-{[(benzyloxy)carbonyl]amino}-3-(3-{[(t-butoxycarbonyl)amino]methyl}-4-methoxyphenyl)-2-propenoic acid methyl ester was obtained as a colorless solid.

後処理

  1. washthe organic layer was successively washed with 150 ml of water and 150 ml of brine
  2. dry with materialdried over magnesium sulfate
  3. concentrationconcentrated
  4. customThe residue was purified by silica gel column chromatography

出典と根拠

ORDレコード
ord-0477333a245b4dbf88326acc3540545d
出典データセット
uspto-grants-2007_07
特許番号
US07244861B2

関連ノート

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