Journal ArticleDOI
Novel template effects of distannoxane catalysts in highly efficient transesterification and esterification
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This article is published in Journal of Organic Chemistry.The article was published on 1991-08-01. It has received 323 citations till now. The article focuses on the topics: Transesterification & Catalysis.read more
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‘Living’ macrolactonisation: thermodynamically-controlled cyclisation and interconversion of oligocholates
Paul A. Brady,Richard P. Bonar-Law,Stuart J. Rowan,Christopher J. Suckling,Jeremy K. M. Sanders +4 more
TL;DR: Cyclocholates are efficiently and rapidly synthesised from suitable monomers by transesterification under thermodynamic, equilibrating conditions using a potassium methoxide-crown ether complex.
Journal ArticleDOI
Use of solid superacid (sulphated SnO2) as efficient catalyst in tacile transesterification of ketoesters
Subhash P. Chavan,P. K. Zubaidha,Shubhada W. Dantale,Alive Keshavaraja,Arumugamangalam V. Ramaswamy,T. Ravindranathan +5 more
TL;DR: Facile one to one transesterification of ketoesters catalysed by solid superacid (sulphated SnO2) is described.
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Chiral Aziridinyl Radicals: An Application to the Synthesis of the Core Nucleus of FR-900482
TL;DR: An asymmetric route to the core nucleus of the antitumor agent FR-900482 utilizes the cyclization of an aziridinyl radical into a functionalized indole nucleus.
Journal ArticleDOI
Direct atom-efficient esterification between carboxylic acids and alcohols catalyzed by amphoteric, water-tolerant TiO(acac)2.
Chien-Tien Chen,Yogesh S. Munot +1 more
TL;DR: The new neutral catalytic protocol with the optimal TiO(acac)2 tolerates many stereo/electronic structural variations in both ( di)acid and (di)alcohol components with high chemoselectivity.
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Convenient synthesis of aliphatic polyesters by distannoxane-catalyzed polycondensation.
TL;DR: A convenient synthesis of aliphatic polyesters by the distannoxane-catalyzed polycondensation of alphatic dicarboxylic acids andAliphatic diols in solvents under azeotropic conditions was developed.