作者:Paresh Kumar Majhi、Susanne Sauerbrey、Alexander Leiendecker、Gregor Schnakenburg、Anthony J. Arduengo III、Rainer Streubel
DOI:10.1039/c3dt51557e
日期:——
thiophosphinoyl and phosphanyl substituted imidazole-2-thione (6a–c,e) using H2O2–urea, elemental sulfur or elemental selenium gives a set of mixed P(V)-chalcogenide substituted imidazole-2-thiones (8b,c), (9a,b,e) and 10a, respectively. P(V,V) substituted imidazole-2-thiones 7d and 9a reacted with tellurium tetrachloride, titanium tetrachloride or palladium dichloride to give complexes 11d, (12d and 12d′)
合成C 4/ 5-双(膦酰基)咪唑-2-硫酮(7d,e)的合成路线(d:R 1 = n Bu,R 2 = Me; e:R 1 = n-十二烷基,R 2 = Me )和C 4 /5-双(硫代/硒代膦酰基)咪唑-2-硫酮(8b,c),(9a,b,e)和10a(a:R 1 = R 2 = Me; b:R 1 = R 2 = Ph,c:R 1 = i Pr,R 2 = Me)表示采用初始C 5膦酰基/硫代膦酰基取代的咪唑-2-硫酮(3c-e)/(4a-c,e)的锂化反应,然后与氯二苯基膦,导致混合的膦酰基和膦酰基取代的咪唑-2-硫酮(5c–e)或混合的硫代膦酰基和膦酰基取代的咪唑-2-硫酮(6a–c,e)。混合的膦酰基和膦酰基取代基的后续氧化咪唑-2-硫酮(5d,e)和H 2 O 2 –尿素得到双(膦酰基)取代的咪唑-2-硫酮(7d,e),并氧化混合的硫代膦酰基和膦基取代基咪唑-2-硫酮(6a–c,e)使用H