1,3-Dimethyl-2-oxo-hexahydropyrimidine (DMPU, or N,N′-dimethylpropyleneurea) is found to be a good substitute for the carcinogenic hexamethylphosphoric triamide (HMPT) as cosolvent in the alkylation of lithium 1-alkynides, key intermediates in moth sex pheromone synthesis.
1,3-二甲基-2-氧代-六氢
嘧啶(
DMPU,或N,N′-二甲基丙基
脲)被证明是致癌物质六甲基三
磷酰三胺(HM
PT)的良好替代品,可用作
锂1-炔化物烷基化反应的助溶剂,而1-炔化物是蛾类性信息素合成的关键中间体。