Photochemical rearrangement of dialkylphosphinic azides in methanol and other protic solvents
作者:Martin J. P. Harger、Michael A. Stephen
DOI:10.1039/p19810000736
日期:——
On photolysis in methanol di-t-butylphosphinic azide (4; R = But) rearranges with loss of nitrogen to give methyl NP-di-t-butylphosphonamidate (6; R = But, X = OMe)(71%), presumably by way of a monomeric metaphosphonimidate (5; R = But) which is trapped by the solvent. Analogous rearrangements occur in other alcohols and in t-butylamine, although di-t-butylphosphinic amide is also a substantial product
在甲醇中进行光解时,二叔丁基次膦叠氮化物(4; R = Bu t)在失去氮的情况下重排,得到NP NP-二叔丁基膦酰胺酸甲酯(6; R = Bu t,X = OMe)(71%),大概是通过被溶剂捕获的单体偏亚膦酸酯(5; R = Bu t)。尽管二叔丁基次膦酰胺在乙醇中也是主要产物,而在异丙醇中是主要产物,但在其他醇和叔丁胺中也会发生类似的重排。二isopropylphosphinic叠氮化物(4; R = PR我)以类似的方式的行为,但在甲醇中较少受阻二乙基次膦叠氮化物(4; R = ET)患有广泛溶剂分解,以二乙基次膦酸甲酯。