First B-Organyloxy-Substituted Iminoboranes: Preparation, Stabilization, and Reactivity
作者:Egbert v. Steuber、Gernot Elter、Mathias Noltemeyer、Hans-Georg Schmidt、Anton Meller
DOI:10.1021/om0005912
日期:2000.11.1
amino(halo)(organyloxy)boranes ROB(X)N(H)R‘ (R = 2,6-tBu2C6H3, X = Cl, R‘ = tBu (7), SiMe3 (8), 2,6-iPr2C6H3 (9), 2,4,6-Me3C6H2 (10), 2,4,6-tBu3C6H2 (11); R = 2,6-C6H5)2C6H3, X = Cl, R‘ = tBu (12); R = 2,6-tBu2C6H3, X = F, R‘ = tBu (13), 2,6-iPr2C6H3 (14); R = tBu3C, X = F, R‘ = iPr (15), tBu (16), SiMe3 (17)) were dehydrohalogenated with tert-butyllithium at low temperature. The reaction involved the intermediate
氨基(卤)(有机氧基)硼烷ROB(X)N(H)R'(R = 2,6- t Bu 2 C 6 H 3,X = Cl,R'= t Bu(7),SiMe 3(8),2,6- i Pr 2 C 6 H 3(9),2,4,6-Me 3 C 6 H 2(10),2,4,6- t Bu 3 C 6 H 2(11) ; R = 2,6-C 6 H 5)2 C 6H 3,X = Cl,R′=t Bu(12);m=1。R = 2,6-吨卜2 ç 6 ħ 3,X = F,R” =吨卜(13),2,6-我镨2 ç 6 ħ 3(14); R =吨卜3 C,X = F,R” =我PR(15),吨卜(16),森达3(17))与脱卤化氢叔丁基锂在低温下。将反应参与的情况下的芳氧基(亚氨基)甲硼烷的中间形成7,9,11,和12。重氮二硼烷[ROB NR'] 2(R = 2,6- t Bu 2 C 6 H 3,R'= t Bu(18),SiMe