Synthesis of the enantiopure C15–C26 segment of phorboxazole A and B
摘要:
Two approaches towards an enantiopure C15-C26 segment of the phorboxazoles starting from the corresponding C20-C26 aldehyde are presented. A variety of functionalized oxazoles have been synthesized via the rhodium(II) acetate catalyzed cycloaddition of dimethyl diazomalonate to substituted nitriles. (C) 1999 Elsevier Science Ltd. All rights reserved.