The kinetics and mechanism of the phosphorus-catalysed dimerisation of acrylonitrile
作者:C. Dennis Hall、Nicholas Lowther、Bruce R. Tweedy、Adam C. Hall、Gordon Shaw
DOI:10.1039/a707559f
日期:——
Isopropyl diarylphosphinites (Ar2POPri) catalyse the dimerisation of acrylonitrile (AN) to a mixture of cis- and trans-1,4-dicyanobut-1-ene (cis,trans-DCB-1), trans-1,4-dicyanobut-2-ene (DCB-2) and 2,4-dicyanobut-1-ene (MGN). The kinetics and mechanism of the reaction, which is a potential source of hexamethylenediamine, are reported in detail and the factors which govern rate and selectivity to DCB-1 and DCB-2 rather than MGN are elaborated.
异丙基二芳基膦亚氨(Ar2POPri)催化丙烯腈(AN)二聚形成顺-和反-1,4-二氰基丁-1-烯(cis,trans-DCB-1)、反-1,4-二氰基丁-2-烯(DCB-2)和2,4-二氰基丁-1-烯(MGN)的混合物。该反应是六亚甲基二胺的潜在来源,其动力学和机理被详细报道,并且控制反应速率和选择性生成DCB-1和DCB-2而非MGN的因素被详细阐述。