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炔醇为起始物，在碱性境中与次氯氯作用生成二烯后，再经应得多并苯合物。

A detergent for cleaning iron monosulfide was formulated with surfactant, diamino-propadiene, citric and EDTA, and its cleaning mechanism was discussed.

报道了一种以表面活性剂、二烯二胺和柠檬酸、EDTA为主要组分的硫铁清洗剂配方和其在炼油装置应用的情况。