Diisopropylethylamine → (S)-Methyl 1-(4-(benzyloxy)-2-(tert-butoxycarbonylamino)butanamido)-3-bromo-1H-pyrrole-2-carboxylate

HRID 1052361

반응식

HRID 1052361 반응식
[NH2:1][N:2]1[CH:6]=[CH:5][C:4]([Br:7])=[C:3]1[C:8]([O:10][CH3:11])=[O:9].[CH2:12]([O:19][CH2:20][CH2:21][C@H:22]([NH:26][C:27]([O:29][C:30]([CH3:33])([CH3:32])[CH3:31])=[O:28])[C:23](O)=[O:24])[C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1.C(N(CC)C(C)C)(C)C.C(P1(=O)OP(CCC)(=O)OP(CCC)(=O)O1)CC>C(OCC)(=O)C>[CH2:12]([O:19][CH2:20][CH2:21][C@H:22]([NH:26][C:27]([O:29][C:30]([CH3:33])([CH3:32])[CH3:31])=[O:28])[C:23]([NH:1][N:2]1[CH:6]=[CH:5][C:4]([Br:7])=[C:3]1[C:8]([O:10][CH3:11])=[O:9])=[O:24])[C:13]1[CH:14]=[CH:15][CH:16]=[CH:17][CH:18]=1

참가 물질

6

반응물 4

HCID 81531DiisopropylethylamineHCID 111923Propylphosphonic anhydrideHCID 15058464O-Benzyl-N-(tert-butoxycarbonyl)-L-homoserineHCID 70979762methyl 1-amino-3-bromo-1H-pyrrole-2-carboxylate

생성물 1

HCID 86722060(S)-Methyl 1-(4-(benzyloxy)-2-(tert-butoxycarbonylamino)butanamido)-3-bromo-1H-pyrrole-2-carboxylate수율 102.7%

시약·촉매·용매 1

HCID 8857Ethyl Acetate용매

실험 절차

Methyl 1-amino-3-bromo-1H-pyrrole-2-carboxylate (2.83 g, 12.92 mmol) was treated with (S)-4-(benzyloxy)-2-((tert-butoxycarbonyl)amino)butanoic acid (4 g, 12.93 mmol), N,N-diisopropylethylamine (7.4 mL, 42.6 mmol) and T3P® (50% in ethyl acetate, 10.8 mL, 18.14 mmol) according to the method of Preparation 5a to give 6.77 g (84% yield) of the desired compound. Purity 81%.

출처 및 근거

ORD 기록
ord-edf7e7e065364c0f88431356025119c3
출처 데이터셋
uspto-grants-2016_07
특허 번호
US09388189B2

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