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Dicyclohexylcarbodiimide → HCID 53733618, 화합물

HRID 488994
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HRID 488994 반응식
[OH:1][C@@H:2]([CH3:15])[C:3]([O:5][CH2:6][C:7]1[CH:12]=[CH:11][C:10]([O:13][CH3:14])=[CH:9][CH:8]=1)=[O:4].[C:16]([NH:26][C@H:27]([C:31](O)=[O:32])[CH:28]([CH3:30])[CH3:29])([O:18][CH2:19][C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1)=[O:17].C1CCC(N=C=NC2CCCCC2)CC1>CN(C1C=CN=CC=1)C.ClCCl>[C:16]([NH:26][C@H:27]([C:31]([O:1][C@@H:2]([CH3:15])[C:3]([O:5][CH2:6][C:7]1[CH:8]=[CH:9][C:10]([O:13][CH3:14])=[CH:11][CH:12]=1)=[O:4])=[O:32])[CH:28]([CH3:30])[CH3:29])([O:18][CH2:19][C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1)=[O:17]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 10868DicyclohexylcarbodiimideHCID 726987N-Carbobenzoxy-L-valineHCID 11095877HCID 11095877, 화합물

생성물 1

HCID 53733618HCID 53733618, 화합물

시약·촉매·용매 2

HCID 142844-(Dimethylamino)pyridine촉매HCID 6344Dichloromethane용매

실험 절차

To a solution of 4-methoxybenzyl (S)-(+)-2-hydroxypropionate (7.6 g, 36 mmole), N-CBZ-L-valine (10.05 g, 40 mmole) and DMAP (0.98 g, 8 mmole) in 150 ml dichloromethane was added a solution of DCC (8.3 g, 40 mmole) and the mixture was stirred overnight at room temperature. The mixture was cooled to about 5° C. and the urethane was filtered. The filtrate was evaporated and the product was isolated by silica gel column chromatography. Yield: 14.4 g=90%

후처리

  1. temperatureThe mixture was cooled to about 5° C.
  2. filtrationthe urethane was filtered
  3. customThe filtrate was evaporated
  4. customthe product was isolated by silica gel column chromatography

출처 및 근거

ORD 기록
ord-4d51882d6c3649b58c6be08aedcffa2d
출처 데이터셋
uspto-grants-2005_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06974802B2

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