Hydrochloride 1,2-dimethoxyethane → H-His(DNP) 1(S)-cyclohexylmethyl-2(S)-hydroxy-5-(2-pyridyl)-pentylamide hydrochloride
Reaction equation
[NH:1](C(OC(C)(C)C)=O)[C@H:2]([C:21]([OH:23])=[O:22])[CH2:3][C:4]1[N:8]=[CH:7][N:6]([C:9]2[CH:20]=[CH:19][C:15]([N+:16]([O-:18])=[O:17])=[CH:14][C:10]=2[N+:11]([O-:13])=[O:12])[CH:5]=1.[CH:31]1([CH2:37][C@H:38]([NH-:50])[C@@H:39]([OH:49])[CH2:40][CH2:41][CH2:42][C:43]2[CH:48]=[CH:47][CH:46]=[CH:45][N:44]=2)[CH2:36][CH2:35][CH2:34][CH2:33][CH2:32]1.COCCOC.[ClH:57]>>[NH2:1][C@H:2]([C:21]([OH:23])=[O:22])[CH2:3][C:4]1[N:8]=[CH:7][N:6]([C:9]2[CH:20]=[CH:19][C:15]([N+:16]([O-:18])=[O:17])=[CH:14][C:10]=2[N+:11]([O-:13])=[O:12])[CH:5]=1.[ClH:57].[CH:31]1([CH2:37][C@H:38]([NH-:50])[C@@H:39]([OH:49])[CH2:40][CH2:41][CH2:42][C:43]2[CH:48]=[CH:47][CH:46]=[CH:45][N:44]=2)[CH2:36][CH2:35][CH2:34][CH2:33][CH2:32]1Participants
3
Procedure
230 mg of Boc-His(DNP)-1(S)-cyclohexylmethyl-2(S)-hydroxy-5-(2-pyridyl)-pentylamide are stirred in 5 ml of saturated DME/HCl for 90 minutes and subsequently concentrated. 220 mg of the title compound are obtained as a resin.
Workup
- concentrationsubsequently concentrated
Sources & evidence
- ORD record
- ord-647e636cec69449d9d6c4cdcaf7ff393
- Source dataset
- uspto-grants-1993_04
- Patent number
- US05204357
Reaction notes
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