Chlorosulfonyl isocyanate → tert-Butyl-2-cyano-5-(5,5-dimethyl-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepin-7-yl)-1H-pyrrole-1-carboxylate
Reaction equation
[C:1]([O:5][C:6]([N:8]1[CH:12]=[CH:11][CH:10]=[C:9]1[C:13]1[CH:14]=[CH:15][C:16]2[NH:22][C:21](=[O:23])[CH2:20][O:19][C:18]([CH3:25])([CH3:24])[C:17]=2[CH:26]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2].ClS([N:31]=[C:32]=O)(=O)=O>>[C:1]([O:5][C:6]([N:8]1[C:9]([C:13]2[CH:14]=[CH:15][C:16]3[NH:22][C:21](=[O:23])[CH2:20][O:19][C:18]([CH3:25])([CH3:24])[C:17]=3[CH:26]=2)=[CH:10][CH:11]=[C:12]1[C:32]#[N:31])=[O:7])([CH3:4])([CH3:2])[CH3:3]Participants
3
Procedure
Prepared from tert-butyl-2-(5,5-dimethyl-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepin-7-yl)-1H-pyrrole-1-carboxylate and chlorosulfonyl isocyanate generally according to the procedure described in example 1. 1H-NMR (DMSO-d6) δ 10.03 (s, 1H), 7.35 (d, J=1.79 Hz, 1H), 7.31 (d, J=3.8 Hz, 1H), 7.23 (dd, J=1.79, 8.31 Hz, 1H), 7.12 (d, J=8.36 Hz, 1H), 6.44 (d, J=3.81 Hz, 1H), 4.25 (s, 2H), 1.55 (s, 6H), 1.39 (s, 9H).
Sources & evidence
- ORD record
- ord-66961f8902a14226a698e9fe6d92f8a3
- Source dataset
- uspto-grants-2008_01
- Patent number
- US07323455B2
Reaction notes
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