Lithium 1-(1-(ethoxycarbonyl)piperidin-4-yl)azetidine-2-carboxylate → ethyl 4-(2-((2S,4R)-4-(3-chlorophenylsulfonyl)-2-(1-cyanocyclopropylcarbamoyl)pyrrolidine-1-carbonyl)azetidin-1-yl)piperidine-1-carboxylate
Reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([S:8]([C@H:11]2[CH2:15][NH:14][C@H:13]([C:16]([NH:18][C:19]3([C:22]#[N:23])[CH2:21][CH2:20]3)=[O:17])[CH2:12]2)(=[O:10])=[O:9])[CH:5]=[CH:6][CH:7]=1.[CH2:24]([O:26][C:27]([N:29]1[CH2:34][CH2:33][CH:32]([N:35]2[CH2:38][CH2:37][CH:36]2[C:39]([O-])=[O:40])[CH2:31][CH2:30]1)=[O:28])[CH3:25].[Li+]>>[Cl:1][C:2]1[CH:3]=[C:4]([S:8]([C@H:11]2[CH2:15][N:14]([C:39]([CH:36]3[CH2:37][CH2:38][N:35]3[CH:32]3[CH2:31][CH2:30][N:29]([C:27]([O:26][CH2:24][CH3:25])=[O:28])[CH2:34][CH2:33]3)=[O:40])[C@H:13]([C:16](=[O:17])[NH:18][C:19]3([C:22]#[N:23])[CH2:21][CH2:20]3)[CH2:12]2)(=[O:9])=[O:10])[CH:5]=[CH:6][CH:7]=1Participants
3
Reactant 2
Product 1
Procedure
The reaction of (2S,4R)-4-(3-chlorophenylsulfonyl)-N-(1-cyanocyclopropyl)pyrrolidine-2-carboxamide 7F and lithium 1-(1-(ethoxycarbonyl)piperidin-4-yl)azetidine-2-carboxylate 20J carried out according to the general procedure L yielded ethyl 4-(2-((2S,4R)-4-(3-chlorophenylsulfonyl)-2-(1-cyanocyclopropylcarbamoyl)pyrrolidine-1-carbonyl)azetidin-1-yl)piperidine-1-carboxylate 1:1 epimers as a white solid (64%). MS ISP (m/e): 592.4/594.3 (100/41) [(M+H)]+.
Sources & evidence
- ORD record
- ord-01cbbac4586842a19ffd36e867453cf1
- Source dataset
- uspto-grants-2014_08
- Patent number
- US08802665B2
Reaction notes
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