作者:George W. Kabalka、Min-Liang Yao
DOI:10.1016/s0040-4039(03)00081-9
日期:2003.2
An efficient route to 3-(hydroxymethyl)cyclobutanone acetals via a [2+2] cycloaddition reaction is reported. The dramatic effect of different diol acetals on benzyl deprotection is discussed. Efficient synthesis of two synthetically useful intermediates, 3-methylenecyclobutanone acetal and 3-(bromomethyl)cyclobutanone, are provided.
报道了通过[2 + 2]环加成反应制备3-(羟甲基)环丁酮缩醛的有效途径。讨论了不同的二醇缩醛对苄基脱保护的显著作用。提供了两种合成有用的中间体3-亚甲基环丁酮缩醛和3-(溴甲基)环丁酮的有效合成。