Preparation, Structure and Reactivity of 2-Chloro-, 2-Fluoro- and 2-Iodo-2,3-dihydro-1H-1,3,2-diazaboroles
作者:Lothar Weber、Eckhard Dobbert、Roland Boese、Michael T. Kirchner、Dieter Bläser
DOI:10.1002/(sici)1099-0682(199808)1998:8<1145::aid-ejic1145>3.0.co;2-h
日期:1998.8
Differently substituted 2-chloro-, 2-fluoro-, and 2-iodo-2,3-dihydro-1H-1,3,2-diazaboroles were prepd. by various methods. 1,3-Di-tert-butyl-2-fluoro-2,3-dihydro-1H-1,3,2-diazaborole (I), 1,3-di-tert-butyl-2-chloro-2,3-dihydro-1H-1,3,2-diazaborole (II), 1,3-bis(2,6-dimethylphenyl)-2-chloro-2,3-dihydro-1H-1,3,2-diazaborole (III), 2-chloro-4,5-dimethyl-1,3-dineopentyl-2,3-dihydro-1H-1,3,2-diazaborole
制备了不同取代的 2-氯-、2-氟-和 2-碘-2,3-二氢-1H-1,3,2-二氮杂硼。通过各种方法。1,3-二叔丁基-2-氟-2,3-二氢-1H-1,3,2-二氮杂硼(I), 1,3-二叔丁基-2-氯-2,3 -dihydro-1H-1,3,2-diazaborole (II), 1,3-bis(2,6-二甲基苯基)-2-chloro-2,3-dihydro-1H-1,3,2-diazaborole (III) ), 2-chloro-4,5-dimethyl-1,3-dineopentyl-2,3-dihydro-1H-1,3,2-diazaborole, 和 1,3-di-tert-butyl-2-iodo-2通过在正己烷中用 BF3.OEt2、BCl3 或 BI3 处理,由相应的锂化 Z-1,2-二氨基乙烯形成 ,3-二氢-1H-1,3,2-二氮杂硼。Na 汞合金 redn 也提供