Using ortho-bis(porpargyl alcohol) derivatives as starting materials, we employed sulfenyl or sulfinyl chloride under base condition to generate bis-allene intermediates.

所采用的合成方式以邻位二丙炔醇为起，碱性境中氯或亚氯作用生成丙二烯后，再经化反应得多并苯化合。