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Hydrochloric Acid → 2-[(1R,2S)-1-acetoxy-2-{(S)-2-cyclohexylmethoxycarbonylamino-4-methylvalerylamino}-3-methylbutyl]-3-phenylcyclopropenone

HRID 1728563
ノート
印刷プレビュー

反応式

HRID 1728563 の反応式
[CH:1]1([CH2:7][O:8][C:9]([NH:11][C@@H:12]([CH2:32][CH:33]([CH3:35])[CH3:34])[C:13]([NH:15][C@@H:16]([CH:29]([CH3:31])[CH3:30])[C@@H:17]([C:19]2[C:20](=[O:28])[C:21]=2[C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=2)[OH:18])=[O:14])=[O:10])[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1.[C:36](Cl)(=[O:38])[CH3:37].Cl>C(Cl)Cl.C(N(CC)CC)C>[C:36]([O:18][C@H:17]([C:19]1[C:20](=[O:28])[C:21]=1[C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1)[C@@H:16]([NH:15][C:13](=[O:14])[C@@H:12]([NH:11][C:9]([O:8][CH2:7][CH:1]1[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1)=[O:10])[CH2:32][CH:33]([CH3:35])[CH3:34])[CH:29]([CH3:30])[CH3:31])(=[O:38])[CH3:37]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 313Hydrochloric AcidHCID 6367Acetyl chlorideHCID 103230822-[(1R, 2S)-2-{(S)-2-cyclohexylmethoxycarbonylamino-4-methylvalerylamino}-1-hydroxy-3-methylbutyl]-3-phenylcyclopropenone

生成物 1

HCID 537714092-[(1R,2S)-1-acetoxy-2-{(S)-2-cyclohexylmethoxycarbonylamino-4-methylvalerylamino}-3-methylbutyl]-3-phenylcyclopropenone収率 45.1%

試薬・触媒・溶媒 2

HCID 6344
Dichloromethane
溶媒
2 回
HCID 8471Triethylamine溶媒

実験手順

To 5 ml of a methylene chloride solution of 149 mg of 2-[(1R,2S)-2-{(S)-2-cyclohexylmethoxycarbonylamino-4-methylvalerylamino}-1-hydroxy-3-methylbutyl]-3-phenyl-cyclopropenone obtained in Example 2 were added 81 mg of acetyl chloride and 102 mg of triethylamine. The resultant mixture was stirred at room temperature for 3 hours, mixed with diluted hydrochloric acid and shaken with methylene chloride. The organic layer was washed with water, saturated aqueous sodium bicarbonate and saturated brine in that order, dried over magnesium sulfate and filtered. The filtrate was concentrated and chromatographed on a column of silica gel, eluting with hexane:ethyl acetate (1:1) to give 73 mg of the titled product.

後処理

  1. washThe organic layer was washed with water, saturated aqueous sodium bicarbonate and saturated brine in that order
  2. dry with materialdried over magnesium sulfate
  3. filtrationfiltered
  4. concentrationThe filtrate was concentrated
  5. customchromatographed on a column of silica gel
  6. washeluting with hexane:ethyl acetate (1:1)

出典と根拠

ORDレコード
ord-744a352592734a1fa19a5c81a23ddf57
出典データセット
uspto-grants-1994_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05328909

反応ノート

読み込み中…

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