Azomethine derivatives. Part XI. Monomeric and dimeric arylmethyleneamino- and diarylmethyleneamino-boron compounds
作者:C. Summerford、K. Wade
DOI:10.1039/j19700002010
日期:——
Details are given for the preparation of the monomeric aryl- and diaryl-methyleneaminoboranes Ph2C:NBPh2, p-tolyl2C:NBPh2, (p-CIC6H4)2C:NBPh2, p-BrC6H4(Ph)C:NBPh2, Ph2C:NB(mesityl)2, PhCH:NB(mesityl)2, and 2,2′- biphenylylC:NBPh2 by one or more of the following routes: (1) R12C:NSiMe3+ R22BX; (2) R12C:NLi + R22BX; (3) 2R12C:NH + R22BX (4) R12C:NBX2+ 2R2Li (5) R12C:NH2+Cl-+ NaBPh4(X = halogen). The
给出了制备单体芳基-和二芳基-亚甲基氨基硼烷Ph 2 C:NBPh 2,对甲苯基2 C:NBPh 2,(p -CIC 6 H 4)2 C:NBPh 2,p -BrC 6 H的详细信息4(Ph)C:NBPh 2,Ph 2 C:NB(mesityl)2,PhCH:NB(mesityl)2和2,2'-联苯基C:NBPh 2通过以下一种或多种途径:(1)R 1 2 C:NSiMe 3 + R 22 BX; (2)R 1 2 C:NLi + R 2 2 BX; (3)2R 1 2 C:NH + R 2 2 BX(4)R 1 2 C:NBX 2 + 2R 2 Li(5)R 1 2 C:NH 2 + Cl- + NaBPh 4(X =卤素)。在类型(5)的反应中分离出中间体加合物(对甲苯基) 2 C:NH,BPh 3。缔合的亚烷基亚氨基硼烷(Ph 2 C:NBPhCl) n,(PhCH:NBPhCl) 2,(PhCH:NBPh