SYNTHESIS AND STRUCTURE OF TETRAORGANOGUANIDINYL-SUBSTITUTED PHOSPHORUS-HALOGEN COMPOUNDS AND OF TRIS-N-(N′,N′,N″,N″-TETRAMETHYL) GUANIDINYL-PHOSPHONIUM SALTS
作者:J. Münchenberg、H. Thönnessen、P. G. Jones、R. Schmutzler
DOI:10.1080/10426509708044198
日期:1997.4.1
as its N-trimethylsilyl derivative, TMSTMG, 2) led to the formation of tris-N-(N′,N′,N′,N′-tetramethyl)guanidinylphosphonium salts such as 4. A salt containing the same cation was obtained from the reaction of bis-N-(N′,N′,N′,N′-tetramethyl)guanidinyltrichlorophosphorane 5 with magnesium. Difluoro-N-(N′,N′,N′,N′-tetramethyl)guanidinylphosphine 6 was obtained from difluorochlorophosphine and HTMG 1a.
摘要 通过三氯化磷与相应的胍或N-锂化胍反应制备N-(N',N',N',N'-四有机)胍取代的二氯膦3a-3c。3a - 3c 的 α(31P) 值的高场位移反映了胍基取代基的强给电子效应。尝试用 N',N',N',N'-tehamethylguanidine (HTMG) 1a(原样使用或用作其 N-三甲基甲硅烷基衍生物 TSTMMG, 2)进一步取代 PCl3 中的氯,导致形成三- N-(N',N',N',N'-四甲基)胍基鏻盐如4.双-N-(N',N',N',N)反应得到含有相同阳离子的盐'-四甲基)胍基三氯正膦 5 与镁。二氟-N-(N',N',N', N'-四甲基)胍基膦 6 由二氟氯膦和 HTMG 1a 得到。6 led 的水解,取决于反应条件,生成 N',N',N',N'-四甲基胍膦酰氟 7 或 tris-N-(N'N,N',N'-...