Studies on Aldol Condensation of Bicycloazastannoxides with Aldehyde

Chem. J. Chinese Universities ›› 1996, Vol. 17 ›› Issue (11): 1717.

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Studies on Aldol Condensation of Bicycloazastannoxides with Aldehyde

WANG Ji-Tao, YANG Xiao-Ping, XU Yu-Ming, WANG Shan-Wei

Department of Chemistry, National Key Laboratory of Elemento-Organic Chemistry, Experimental Center, Nankai University, Tianjin, 300071

Received:1995-12-09 Online:1996-11-24 Published:1996-11-24

Abstract

Abstract: Since the structures of bicycloazastannoxide in some way conform VB₆ system,the Schiff base of diphenylstannic complexes(PhSnL¹H)was chosen to be the object of investigation.Its pKa in DMSO was found to be 17.6.It was subjected to react with aldehydes,and 7 novel condensation products(PhSnL¹CHOHR Ⅰ-Ⅶ)β-hydroxy-α-amino acid ligands of organo-tin complexes were obtained,their IR,¹H NMR,¹¹⁹Sn NMR and elementary analytical data were proved to have the assigned structures.

Key words: Bicycloazastannoxide, pK_a value, Condensation

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WANG Ji-Tao, YANG Xiao-Ping, XU Yu-Ming, WANG Shan-Wei. Studies on Aldol Condensation of Bicycloazastannoxides with Aldehyde[J]. Chem. J. Chinese Universities, 1996, 17(11): 1717.

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Studies on Aldol Condensation of Bicycloazastannoxides with Aldehyde

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