hexathioorthooxalates of types (1) and (2) undergo elimination of dialkyl disulfide on heating in an organic solvent; the reaction, which is catalyzed by acid, proceeds without fission of the central C:C bond and provides the first general, high yield synthesis of unsymmetrical benzotetrathiafulvalenes of types (3) and (4).
类型(1)和(2)的不对称六
硫代正
草酸酯在有机溶剂中加热时会经历二烷基二
硫化物的消除;由酸催化的反应在不裂开中心C:C键的情况下进行,并提供了第一种通用的高收率合成类型(3)和(4)的不对称苯并
四硫富瓦烯的方法。