Synthesis, Crystal Structure and Catalytic Activity of a Dinuclear Aluminum Alkyl Complex

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Synthesis, Crystal Structure and Catalytic Activity of a Dinuclear Aluminum Alkyl Complex

WEI Yun , ZHOU Shuang-Liu , WANG Shao-Wu

Citation: WEI Yun, ZHOU Shuang-Liu, WANG Shao-Wu. Synthesis, Crystal Structure and Catalytic Activity of a Dinuclear Aluminum Alkyl Complex[J]. Chinese Journal of Structural Chemistry, 2016, 35(2): 307-312. doi: 10.14102/j.cnki.0254-5861.2011-0823 shu

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Synthesis, Crystal Structure and Catalytic Activity of a Dinuclear Aluminum Alkyl Complex

1.
Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, China

通讯作者: ZHOU Shuang-Liu,
WANG Shao-Wu,

基金项目:
The project was supported by the National Natural Science Foundation of China (21372010, 21372009) (21372010, 21372009)

摘要: Treatment of indolyl-3-aldimines (3-^tBuN=CH)C₈H₅NH with AlMe₃ afforded the deprotonated indolyl aluminum complex cis-[(μ-η¹:η¹-3-^tBuN=CH)C₈H₅NAlMe₂]₂, and its crystal structure was determined by X-ray single-crystal diffraction. The crystal belongs to the orthorhombic system, space group P2₁2₁2 with a = 14.590(9), b = 15.860(2), c = 13.266(8) Å, μ = 0.118 mm^-1, M_r = 512.64, V = 3069.5(3) Å³, Z = 4, D_c= 1.109 g/cm³, F(000) = 1104, R = 0.0451 and wR = 0.0937 for 4978 observed reflections with I > 2σ(I). In addition, the title compound exhibited a high catalytic activity toward the addition of amines to carbodiimide to form guanidines.

关键词:

English

Synthesis, Crystal Structure and Catalytic Activity of a Dinuclear Aluminum Alkyl Complex

1.
Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, China

Corresponding author: ZHOU Shuang-Liu, WANG Shao-Wu,

Received Date: 25 May 2015
Fund Project:

Abstract: Treatment of indolyl-3-aldimines (3-^tBuN=CH)C₈H₅NH with AlMe₃ afforded the deprotonated indolyl aluminum complex cis-[(μ-η¹:η¹-3-^tBuN=CH)C₈H₅NAlMe₂]₂, and its crystal structure was determined by X-ray single-crystal diffraction. The crystal belongs to the orthorhombic system, space group P2₁2₁2 with a = 14.590(9), b = 15.860(2), c = 13.266(8) Å, μ = 0.118 mm^-1, M_r = 512.64, V = 3069.5(3) Å³, Z = 4, D_c= 1.109 g/cm³, F(000) = 1104, R = 0.0451 and wR = 0.0937 for 4978 observed reflections with I > 2σ(I). In addition, the title compound exhibited a high catalytic activity toward the addition of amines to carbodiimide to form guanidines.

Key words:

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