One pot synthesis of mono- and spirocyclic α-phosphonato-α,β-unsaturated cycloenones
摘要:
A one pot ozonolysis/intramolecular aldol condensation (with the aid of TsOH and Et3N as catalysts) of beta-keto-omega-alkenylphosphonates provided the alpha-phosphonato-alpha,beta-unsaturated cycloenone with good yields. (C) 1998 Elsevier Science Ltd. All rights reserved.
One pot synthesis of mono- and spirocyclic α-phosphonato-α,β-unsaturated cycloenones
摘要:
A one pot ozonolysis/intramolecular aldol condensation (with the aid of TsOH and Et3N as catalysts) of beta-keto-omega-alkenylphosphonates provided the alpha-phosphonato-alpha,beta-unsaturated cycloenone with good yields. (C) 1998 Elsevier Science Ltd. All rights reserved.