4-Nitrophenyl chloroformate → 3-(4-{(2S,3R)-2-({[(3R,3aS,6aR)-Hexahydrofuro[2,3-b]furan-3-yloxy]carbonyl}amino)-4-[(1,3-benzodioxol-5-ylsulfonyl)(isobutyl)amino]-3-hydroxybutyl}phenoxy)propyl 4-nitrophenyl carbonate
Reaction equation
[O:1]1[C:5]2[CH:6]=[CH:7][C:8]([S:10]([N:13]([CH2:42][CH:43]([CH3:45])[CH3:44])[CH2:14][C@@H:15]([OH:41])[C@@H:16]([NH:29][C:30](=[O:40])[O:31][C@@H:32]3[C@H:39]4[C@H:35]([O:36][CH2:37][CH2:38]4)[O:34][CH2:33]3)[CH2:17][C:18]3[CH:23]=[CH:22][C:21]([O:24][CH2:25][CH2:26][CH2:27][OH:28])=[CH:20][CH:19]=3)(=[O:12])=[O:11])=[CH:9][C:4]=2[O:3][CH2:2]1.Cl[C:47]([O:49][C:50]1[CH:55]=[CH:54][C:53]([N+:56]([O-:58])=[O:57])=[CH:52][CH:51]=1)=[O:48]>>[C:47](=[O:48])([O:49][C:50]1[CH:51]=[CH:52][C:53]([N+:56]([O-:58])=[O:57])=[CH:54][CH:55]=1)[O:28][CH2:27][CH2:26][CH2:25][O:24][C:21]1[CH:22]=[CH:23][C:18]([CH2:17][C@H:16]([NH:29][C:30]([O:31][C@@H:32]2[C@H:39]3[C@H:35]([O:36][CH2:37][CH2:38]3)[O:34][CH2:33]2)=[O:40])[C@H:15]([OH:41])[CH2:14][N:13]([S:10]([C:8]2[CH:7]=[CH:6][C:5]3[O:1][CH2:2][O:3][C:4]=3[CH:9]=2)(=[O:12])=[O:11])[CH2:42][CH:43]([CH3:45])[CH3:44])=[CH:19][CH:20]=1Participants
3
Reactant 2
Product 1
Procedure
(3R,3aS,6aR)-Hexahydrofuro[2,3-b]furan-3-yl (1S,2R)-3-[(1,3-benzodioxol-5-ylsulfonyl)(isobutyl)amino]-2-hydroxy-1-[4-(3-hydroxypropoxy)benzyl]propylcarbamate was treated with 4-nitrophenyl chloroformate as described previously to provide the title compound as a solid foam.
Sources & evidence
- ORD record
- ord-3042d87906c34da4a1cc7063d6587ec6
- Source dataset
- uspto-grants-2013_06
- Patent number
- US08455497B2
Reaction notes
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