Synthesis, structure characterization and transesterification of the complexes of β -alkoxycarbonylethyltin trichlorides

Acta Chimica Sinica ›› 1997, Vol. 55 ›› Issue (9): 884-891. Previous Articles Next Articles

Original Articles

β-烷氧羰基乙基三氯化锡配合物的合成、结构表征及酯交换反应

田来进;傅芳信;朱东升;潘华德;邢彦;林永华

东北师范大学化学系;中国科学院长春应用化学研究所

发布日期:1997-09-15

Synthesis, structure characterization and transesterification of the complexes of β -alkoxycarbonylethyltin trichlorides

TIAN LAIJIN;FU FANGXIN;ZHU DONGSHENG;PAN HUADE;XING YAN;LIN YONGHUA

Published:1997-09-15

Abstract

Thirteen title complexes ROCOCH2CH2SnCl.L (R=C1-5 alkyl; L=DBSO, HMPA) were synthesized and characterized by elemental analysis, IR, 1H NMR. The crystal structure of n-PrOCOCH2CH2SnCl3.DBSO was determined by the X-ray diffraction analysis. The crystal belongs to orthorhombic system, space group P212121 with a=1.062, b=1.427, c=1.635; Z=4. The complex exists as a discrete molecule, and the tin atom attains a distorted octahedral geometry via the coordination of intramolecular carbonyl oxygen and the Lewis base donor atom. The transesterification of CH3OCOCH2CH2SnCl3.L with alcohol was studied, and the intramolecular Lewis acid catalytic mechanism was suggested.

Key words: REACTION MECHANISM, INFRARED SPECTROPHOTOMETRY, ELEMENTAL ANALYSIS, CRYSTAL STRUCTURE, PROTON MAGNETIC RESONANCE SPECTROMETRY, CARBONYL COMPOUNDS, TRANSESTERIFICATION, TIN COMPLEX, STRUCTURE CHARACTERISTICS

CLC Number:

O611.662

Cite this article

TIAN LAIJIN;FU FANGXIN;ZHU DONGSHENG;PAN HUADE;XING YAN;LIN YONGHUA. Synthesis, structure characterization and transesterification of the complexes of β -alkoxycarbonylethyltin trichlorides[J]. Acta Chimica Sinica, 1997, 55(9): 884-891.

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β-烷氧羰基乙基三氯化锡配合物的合成、结构表征及酯交换反应

Synthesis, structure characterization and transesterification of the complexes of β -alkoxycarbonylethyltin trichlorides

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