IN370484: Substituted methanopyrido [2, 1-a] isoindolones as machr modulators for treating various associated pathophysiological conditions and process for preparation thereof

The invention relates to substituted methanopyrido [2,1-a]isoindolones of formula I, wherein, R1 is selected from phenylsulfonyl or p-toluenesulfonyl; and n = 1, 2, 3; their derivatives, stereoisomers, pharmaceutically acceptable salts and pharmaceutically acceptable compositions having potential muscarinic acetylcholine receptor modulator activity.