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4-Methylmorpholine → {[2-{2-(S)-[Benzyloxy-carbonyl]-pyrrolidine-1-yl}-1-(R)-(4-methoxybenzyl)-2-oxo-ethyl]-tert.-butoxycarbonyl-amino}-acetic acid ethyl ester

HRID 1279104
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HRID 1279104 반응식
Cl.[CH2:2]([O:9][C:10](=[O:16])[C@@H:11]1[CH2:15][CH2:14][CH2:13][NH:12]1)[C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.[CH2:17]([O:19][C:20]([CH2:22][N:23]([C:37]([O:39][C:40]([CH3:43])([CH3:42])[CH3:41])=[O:38])[C@H:24]([CH2:28][C:29]1[CH:34]=[CH:33][C:32]([O:35][CH3:36])=[CH:31][CH:30]=1)[C:25](O)=[O:26])=[O:21])[CH3:18].CN1CCOCC1.F[B-](F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2C=CC=CC=2N=N1>CN(C)C=O.O>[CH2:17]([O:19][C:20](=[O:21])[CH2:22][N:23]([C@H:24]([CH2:28][C:29]1[CH:34]=[CH:33][C:32]([O:35][CH3:36])=[CH:31][CH:30]=1)[C:25]([N:12]1[CH2:13][CH2:14][CH2:15][C@H:11]1[C:10]([O:9][CH2:2][C:3]1[CH:4]=[CH:5][CH:6]=[CH:7][CH:8]=1)=[O:16])=[O:26])[C:37]([O:39][C:40]([CH3:43])([CH3:42])[CH3:41])=[O:38])[CH3:18]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 79724-MethylmorpholineHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733413Proline benzyl ester hydrochlorideHCID 22958574n-Ethoxycarbonylmethyl-n-tert-butoxycarbonyl-2-(r)-amino-3-(4-methoxyphenyl)-propionic acid

생성물 1

HCID 69780750
{[2-{2-(S)-[Benzyloxy-carbonyl]-pyrrolidine-1-yl}-1-(R)-(4-methoxybenzyl)-2-oxo-ethyl]-tert.-butoxycarbonyl-amino}-acetic acid ethyl ester

시약·촉매·용매 2

HCID 962Water용매HCID 6228Dimethylformamide용매

실험 절차

A mixture of (L)-proline benzyl ester hydrochloride (0.49 g), N-Ethoxycarbonylmethyl-N-tert.-butoxycarbonyl-2-(R)-amino-3-(4-methoxyphenyl)-propionic acid (0.760 g), N-methyl morpholine (0.93 mL) and 0.65 g of 2-(1H-benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate (TBTU) in 10 mL of dry N,N-dimethyl formamide was stirred for 16 h at ambient temperature. The volatiles were pumped off and water was added followed by extraction with ethyl acetate and concentration of the organic layer. The remaining residue was purified by silica chromatography (isohexane/ethyl acetate 1/2). Yield: 0.99 g (86%); colorless oil; (+)-APCI-MS: 569 (MH+).

후처리

  1. extractionfollowed by extraction with ethyl acetate and concentration of the organic layer
  2. customThe remaining residue was purified by silica chromatography (isohexane/ethyl acetate 1/2)

출처 및 근거

ORD 기록
ord-baccbc55f26e4afab93fecfc964f651f
출처 데이터셋
uspto-grants-2002_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06444672B1

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