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

所采的合方式以邻位炔醇为起始物，在碱性环境中与次磺氯或亚磺氯作，再经环化反应得多并苯化合物。

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、胺和柠檬酸、EDTA为主要组分的硫化亚铁清洗剂配方和其在炼油装置应的情况。