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首页> 外文期刊>Zeitschrift fur Naturforschung, B. A Journal of Chemical Sciences >Molecular structure and reactivity of tri(1-cyclohepta-2,4,6-trienyl)amine, N(C7H7)(3)
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Molecular structure and reactivity of tri(1-cyclohepta-2,4,6-trienyl)amine, N(C7H7)(3)

机译:三(1-环庚-2,4,6-三烯基)胺,N(C7H7)(3)的分子结构和反应活性

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摘要

Compared with the tertiary phosphane P(C7H7)(3) (1), the amine N(C7H7)(3) (2) possesses the structure of a flattened trigonal pyramid with a sum of CNC angles of 350.0degrees (cf. 300.2degrees (av.) in 1). The heteroatom (with the lone pair) is situated 27.0 pm above the C-3 basal plane in 2, but 86.4 pm in 1. The amines N(C7H7)(3) (2), NH(C7H7)(2) (2a) and N(Ph)(C7H7)(2) (2b) react with tropylium tetrafluoroborate, [C7H7]BF4, to give N-tropylidene-(1-cyclohepta-2,4,6-trienyl)-immonium tetrafluoroborates, [(C7H6)N(R)(C7H7)]BF4 3 (R = H, from 2 and 2a), 4 (R = Ph, from 2b), which have been characterized by their IR and NMR (H-1, C-13) spectra.
机译:与叔膦P(C7H7)(3)(1)相比,胺N(C7H7)(3)(2)具有扁平的三角锥结构,其CNC角总和为350.0度(参见300.2度)。 (av。)in 1)。杂原子(具有孤对)在2中位于C-3基础平面上方27.0 pm,但在1中位于86.4 pm。胺N(C7H7)(3)(2),NH(C7H7)(2)(2a) )和N(Ph)(C7H7)(2)(2b)与四氟硼酸对苯二甲酸钡[C7H7] BF4反应,得到N-对亚噻吩基-(1-环庚-2,4,6-三烯基)-四氟硼酸铵,[( C7H6)N(R)(C7H7)] BF4 3(R = H,来自2和2a),4(R = Ph,来自2b),其特征在于其IR和NMR(H-1,C-13 )光谱。

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