2-Nitro-N-[(prop-2-en-1-yl)oxy]benzene-1-sulfonamide → (2S,5R)-tert-butyl 5-(N-(allyloxy)-2-nitrophenylsulfonamido)-2-((tert-butyldimethylsilyloxy)methyl)-4-cyclopropyl-5,6-dihydropyridine-1(2H)-carboxylate
Reaction equation
[Si:1]([O:8][CH2:9][C@@H:10]1[CH:15]=[C:14]([CH:16]2[CH2:18][CH2:17]2)[C@H:13](O)[CH2:12][N:11]1[C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].[CH2:27]([O:30][NH:31][S:32]([C:35]1[CH:40]=[CH:39][CH:38]=[CH:37][C:36]=1[N+:41]([O-:43])=[O:42])(=[O:34])=[O:33])[CH:28]=[CH2:29].C(ON([C@H]1CN(C(OC(C)(C)C)=O)[C@H](CO[Si](C(C)(C)C)(C)C)C=C1C)S(C1C=CC=CC=1[N+]([O-])=O)(=O)=O)C=C>>[CH2:27]([O:30][N:31]([C@H:13]1[CH2:12][N:11]([C:20]([O:22][C:23]([CH3:26])([CH3:24])[CH3:25])=[O:21])[C@H:10]([CH2:9][O:8][Si:1]([C:4]([CH3:6])([CH3:7])[CH3:5])([CH3:2])[CH3:3])[CH:15]=[C:14]1[CH:16]1[CH2:17][CH2:18]1)[S:32]([C:35]1[CH:40]=[CH:39][CH:38]=[CH:37][C:36]=1[N+:41]([O-:43])=[O:42])(=[O:34])=[O:33])[CH:28]=[CH2:29]Participants
4
Reactant 3
Product 1
Procedure
The title compound was prepared from (2S,5S)-tert-butyl 2-((tert-butyldimethylsilyloxy)methyl)-4-cyclopropyl-5-hydroxy-5,6-dihydropyridine-1(2H)-carboxylate (Intermediate 264, 3 g, 7.82 mmol) and N-(allyloxy)-2-nitrobenzenesulfonamide (Intermediate 9, 2.020 g, 7.82 mmol) following the procedure described for Intermediate 10. The desired product was obtained as a yellow oil (3.62 g, 74%).
Sources & evidence
- ORD record
- ord-c5062b0fa87747be838a068d8d8feeec
- Source dataset
- uspto-grants-2016_04
- Patent number
- US09309245B2
Reaction notes
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