Intermediates leading to amines III where X is O or S, Y is a bond and Z is a pyridine ring may be prepared according to the routes and procedures described in U.S. Pat. No. 3,749,715; El-Subbagh; U.S. Pat. No. 4,755,509; U.S. Pat. No. 5,652,363; U.S. Pat. No. 6,017,926; EP 416740; Sicker 1985; Kikelj; EP 160546.