The title complexes, R'2Sn(3,5-Br2-2-OC6H2CH=NCHRCOO), and their diphenyltin acterized by elemental analysis, IR, 1H and 13C NMR and X-ray single crystal di
The first total synthesis of (+)-13-hydroxy-8 (14)-abietene was accomplished in 20.1%yield via a strategy of AC→ABC, in which the reduction of compound 5 with