Asymmetric Phase Transfer Catalysed Michael Addition of Γ-Butenolide and N-Boc-Pyrrolidone to 4-Nitro-5-styrylisoxazoles
Catalysts(2022)
摘要
Herein we report the addition of acidic γ-butenolide and N-Boc-pyrrolidone to 4-nitro-5-styrylisoxazoles, a popular class of cinnamic ester synthetic equivalent. The reactions proceeded under the catalysis of Cinchona-based phase-transfer catalysts. Functionalised γ-butenolides were obtained in good isolated yields and moderate enantioselectivity (up to 74% ee).
更多查看译文
关键词
4-nitro-5-styrylisoxazoles,cinnamate ester synthetic equivalent,Michael addition,phase-transfer catalysis
AI 理解论文
溯源树
样例
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要