AN IMPROVED METHOD FOR PREPARING DIMETHYL CYCLOHEPTA-1,3,5-TRIENE-3,4-DICARBOXYLATE
作者:Mitsunori Oda、Shuichi Hayashi、Shengli Zuo、Ryuta Miyatake、Shigeyasu Kuroda、Noboru Morita、Toyonobu Asao
DOI:10.1081/scc-100000528
日期:2001.1
A sequence involving bromination of dimethyl 1,3-cyclo-heptadiene-2,3-dicarboxylate (2) and subsequent double dehydrobromination provided an improved synthetic method for preparing dimethyl cyclohepta-1,3,5-triene-3,4-dicarboxylate (1). The mechanism for the dehydrobromination step is also discussed.
1,3-环庚二烯-2,3-二甲酸二甲酯(2)的溴化和随后的双脱溴化氢的顺序为制备环庚-1,3,5-三烯-3,4-二甲酸二甲酯提供了一种改进的合成方法( 1)。还讨论了脱溴化氢步骤的机理。