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

报了一种以表面活性剂、丙二烯二胺和柠檬酸、EDTA为主要组分的硫化亚铁清洗剂配方和其炼油装置应用的情况。

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始物，碱性环境中与或亚作用生成丙二烯后，再经环化反应得多并苯化合物。