| abstract |
1492235 Thienopyridine derivatives PARCOR 28 May 1976 [30 May 1975] 22435/76 Heading C2C Thieno-[3,2-c]pyridines of formula where R 6 is H or C 1-6 alkyl and R 2 is H, C 1-6 alkyl, or phenyl or benzyl optionally substituted with halogen, C 1-6 alkyl, C 1-6 alkoxy, CF 3 or NO 2 , are prepared by reacting where R 3 is H or optionally substituted alkyl or benzyl with RSO 2 Hal, where R is optionally substituted alkyl, aryl or aralkyl to give and heating this in the presence of an acid. |