Synthesis and crystal structure of the N-8-(diphenyl-hydroxy-2-aminomethylpyridine)borane

Andrade-Lopez N; Alvarado-Rodriguez JG; Flores-Chavez B

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Synthesis and crystal structure of the N-8-(diphenyl-hydroxy-2-aminomethylpyridine)borane

机译：N-8-（二苯基-羟基-2-氨基甲基吡啶）硼烷的合成与晶体结构

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Reaction of 2-aminomethylpyridine with diphenylborinic acid in a mixture Of CHCl3-diethyl ether gives diphenyl-(2-aminomethylpyridine-N,/N')borane, a cyclic adduct that in presence of environmental moisture yields the N-8-(diphenyl-hydroxy-2-aminomethylpyridine)borane. The two compounds were characterized by NMR and infrared spectroscopy. The structure of N-8-(diphenyl-hydroxy-2-aminomethylpyridine)borane was confirmed by X-ray diffraction. This adduct crystallizes in monoclinic P2(1) space group with unit cell dimensions: a = 13.193(2) (angstrom), b = 5.913(7) (angstrom), c = 19.604(2) (angstrom), beta = 90.295(3)degrees, V = 1529.3(3) angstrom(3), Z = 4. The B -> N distance is 1.645(3) angstrom and lies in the range of a dative bond. The NH and OH groups are involved in intermolecular hydrogen bonds formation and they add to the stabilization of the acyclic adduct in the solid state.

机译：2-氨基甲基吡啶与二苯基硼酸在CHCl3-二乙醚混合物中的反应生成二苯基-（2-氨基甲基吡啶-N，/ N'）硼烷，这是一种环状加合物，在环境水分存在下可生成N-8-（二苯基-羟基-2-氨基甲基吡啶）硼烷。通过NMR和红外光谱对这两种化合物进行了表征。 N-8-（二苯基-羟基-2-氨基甲基吡啶）硼烷的结构通过X射线衍射确认。该加合物在单斜晶P2（1）/ n空间群中以晶胞尺寸结晶：a = 13.193（2）（埃），b = 5.913（7）（埃），c = 19.604（2）（埃），beta = 90.295（3）度，V = 1529.3（3）埃（3），Z =4。B-> N距离为1.645（3）埃，位于导数键范围内。 NH和OH基团参与分子间氢键的形成，它们增加了固态无环加合物的稳定性。

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《Journal of chemical crystallography》 |2005年第3期|共6页
作者
Andrade-Lopez N; Alvarado-Rodriguez JG; Flores-Chavez B;
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正文语种 eng
中图分类晶体学;
关键词
boron adduct; NMR spectroscopy characterization; hydrogen bonding; crystal structure; BORON-NITROGEN COMPOUNDS; X-RAY CRYSTALLOGRAPHY; N-BASE ADDUCTS; MOLECULAR-STRUCTURE; NMR; DIFFRACTION; DERIVATIVES; COMPLEXES; ALCOHOLS; BONDS;

机译：硼加合物;NMR光谱表征;氢键;晶体结构;硼-氮化合物;X射线晶体学;N基添加剂;分子结构;NMR;衍射;衍生物;络合物;醇;键合;

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Synthesis and crystal structure of the N-8-(diphenyl-hydroxy-2-aminomethylpyridine)borane

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