Patent ID: 7304160
Filing Date: 2007-12-04
Classification: C07D,C07F

Abstract:
1. A method of making a compound of Formula II: wherein: R R R A is a 1, 2 or 3 atom bridging species which forms part of a saturated or monounsaturated 5-, 6- or 7-membered ring including N B is selected from —O—, —S—, —NR R comprising oxidizing a compound of Formula I: wherein A, B, R 2 , R 4 , R 5 , R 6 , R 7 , R 9 , and R 9a are as given above, and R 1 is alkyl, aryl, alkenyl, alkynyl, alkoxy, —NR″ 2 or —SR″, where R″ is alkyl, aryl, alkenyl, alkynyl, or alkoxy, in suitable solvent to produce a compound of Formula II.