Diisopropylethylamine → 2-[(1-Benzyloxycarbonylamino-2-methylpropyl)-methoxy-phosphinoyloxy]-5-tert-butoxycarbonylamino-pentanoic acid methyl ester

HRID 29743

反応式

HRID 29743 の反応式
C1CN([P+](ON2N=NC3C=CC=CC2=3)(N2CCCC2)N2CCCC2)CC1.F[P-](F)(F)(F)(F)F.[CH3:34][O:35][P:36]([CH:39]([NH:43][C:44]([O:46][CH2:47][C:48]1[CH:53]=[CH:52][CH:51]=[CH:50][CH:49]=1)=[O:45])[CH:40]([CH3:42])[CH3:41])(=O)[OH:37].[CH3:54][O:55][C:56](=[O:70])[CH:57]([OH:69])[CH2:58][CH2:59][CH2:60][NH:61][C:62]([O:64][C:65]([CH3:68])([CH3:67])[CH3:66])=[O:63].CCN(C(C)C)C(C)C>CN(C=O)C.C(OCC)(=O)C>[CH3:54][O:55][C:56](=[O:70])[CH:57]([O:69][P:36]([CH:39]([NH:43][C:44]([O:46][CH2:47][C:48]1[CH:53]=[CH:52][CH:51]=[CH:50][CH:49]=1)=[O:45])[CH:40]([CH3:42])[CH3:41])([O:35][CH3:34])=[O:37])[CH2:58][CH2:59][CH2:60][NH:61][C:62]([O:64][C:65]([CH3:67])([CH3:66])[CH3:68])=[O:63]

参加物

7

実験手順

A solution of PyBOP (2.1 g, 4.0 mmol) in DMF (3 mL) was added to a mixture of (1-benzyloxycarbonylamino-2-methyl-propyl)-phosphonic acid monomethyl ester (1.0 g, 3.32 mmol) and 5-tert-butoxycarbonylamino-2-hydroxy-pentanoic acid methyl ester (865 mg, 3.5 mmol) in DMF (4 mL) under argon. DIPEA (2.28 mL, 13.3 mmol) was added dropwise and the mixture was stirred over night. Ethyl acetate was added and the mixture was washed with 10% KHSO4, satd. NaHCO3 and brine and dried. Concentration under reduced pressure followed by chromathography (heptane/EtOAc, 1:1→1:6) gave 2-[(1-benzyloxycarbonylamino-2-methyl-propyl)-methoxy-phosphinoyloxy]-5-tert-butoxycarbonylamino-pentanoic acid methyl ester (1.21 g, 69%).

後処理

  1. washthe mixture was washed with 10% KHSO4
  2. dry with materialNaHCO3 and brine and dried
  3. concentrationConcentration under reduced pressure

出典と根拠

ORDレコード
ord-b6f4d112812d4f00b22a247b00911401
出典データセット
uspto-grants-2008_09
特許番号
US07423012B2

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