2,4-Dimethyl-3-pyridinecarboxylic acid → 4-Isopropyl-6-methoxy-4,5,6,7-tetrahydro-2-saccharinylmethyl 2,4-dimethylpyridine-3-carboxylate
Reaction equation
Cl[CH2:2][N:3]1[C:13](=[O:14])[C:12]2[CH:11]([CH:15]([CH3:17])[CH3:16])[CH2:10][CH:9]([O:18][CH3:19])[CH2:8][C:7]=2[S:4]1(=[O:6])=[O:5].[CH3:20][C:21]1[C:26]([C:27]([OH:29])=[O:28])=[C:25]([CH3:30])[CH:24]=[CH:23][N:22]=1>>[CH3:20][C:21]1[C:26]([C:27]([O:29][CH2:2][N:3]2[C:13](=[O:14])[C:12]3[CH:11]([CH:15]([CH3:17])[CH3:16])[CH2:10][CH:9]([O:18][CH3:19])[CH2:8][C:7]=3[S:4]2(=[O:6])=[O:5])=[O:28])=[C:25]([CH3:30])[CH:24]=[CH:23][N:22]=1Participants
3
Procedure
It is contemplated that following the procedure of Example 17, 2-chloromethyl-4-isopropyl-6-methoxy-4,5,6,7-tetrahydrosaccharin of preparation 23BJ can be coupled with 2,4-dimethyl-3-pyridinecarboxylic acid to provide 4-isopropyl-6-methoxy-4,5,6,7-tetrahydro-2-saccharinylmethyl 2,4-dimethylpyridine-3-carboxylate.
Sources & evidence
- ORD record
- ord-94493dcfc4d44f5f9ead1e976ee13be1
- Source dataset
- uspto-grants-1996_10
- Patent number
- US05563163
Reaction notes
Loading…