Triphenylpyridinium ylid 2,generated by the decarboxylation of betaine 1,were noted to react with acetyl chloride,chloroform or acctone to form addition-elimina
The first total synthesis of (±)-abieta-8, 11, 13-trien-7β-ol (7) was accomplished via a strategy of AC→ABC, in which the reduction of the ketone 6 with
Three novel poly(ether imide)s were synthesized by one-step solution polymerization from 2-(3,4-dicarboxyl-N-phenyl)-4-(3''''''''