반응식
Cl.CN(C)CCCN=C=NCC.[C:13]([O:17][C:18]([C:20]1[CH:28]=[CH:27][C:23]([C:24]([OH:26])=O)=[CH:22][CH:21]=1)=[O:19])([CH3:16])([CH3:15])[CH3:14].[CH3:29][CH:30]([S:32]([NH2:35])(=[O:34])=[O:33])[CH3:31]>CN(C)C1C=CN=CC=1.ClCCl.C(OCC)(=O)C>[CH:30]([S:32]([NH:35][C:24]([C:23]1[CH:22]=[CH:21][C:20]([C:18]([O:17][C:13]([CH3:14])([CH3:15])[CH3:16])=[O:19])=[CH:28][CH:27]=1)=[O:26])(=[O:34])=[O:33])([CH3:31])[CH3:29]참가 물질
7
반응물 3
생성물 1
시약·촉매·용매 3
실험 절차
1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (198 mg) was added to a stirred mixture of 4-(t-butoxycarbonyl)benzoic acid (195 mg), 2-propanesulfonamide (98 mg) and 4-dimethylaminopyridine (126 mg) in dichloromethane (3.7 ml). The mixture was stirred overnight, diluted with ethyl acetate, washed (1N HCl, brine), dried (MgSO4), and evaporated. The crude product was purified by flash chromatography, eluting with acetone:hexanes (75:25), to afford the product (193 mg): TLC, Rf =0.64, acetone:hexanes (75:25): MS, m/e=356(M+29), 330(M+3), 329(M+2), 328(M+1), 272, 223, 222, 205, 204, 166.
후처리
- washwashed (1N HCl, brine)
- dry with materialdried (MgSO4)
- customevaporated
- customThe crude product was purified by flash chromatography
- washeluting with acetone:hexanes (75:25)
출처 및 근거
- ORD 기록
- ord-399b20e674fb4381b5e6e750f26db590
- 출처 데이터셋
- uspto-grants-1992_11
- 특허 번호
- US05164371
연결된 노트
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