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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An Efficient and Recyclable Silica Based Inorganic–Organic Hybrid Zinc Catalyst for Transesterification of β-Ketoesters
Rakesh Kumar Sharma,Deepti Rawat +1 more
TL;DR: In this article, a new silica based inorganic-organic hybrid zinc catalyst was synthesized and its catalytic activity was investigated for transesterification of β-ketoesters.
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Useful four-carbon synthons en route to monastrol analogs
Amr M. Abdou,S. Botros,Rasha A. Hassan,Rasha A. Hassan,Mona M. Kamel,Douglass F. Taber,Azza T. Taher +6 more
TL;DR: In this article, a simple protocol has been established for the preparation of a family of crystalline N-aryl γ-hydroxy crotonamides, useful four-carbon synthons.
Journal ArticleDOI
Synthesis of cyclic chlorophyll oligomers
Shin-ichi Sasaki,Hitoshi Tamiaki +1 more
TL;DR: In this article, a new model of photosynthetic light harvesting antennas, cyclic dimer, trimer, and tetramer of chlorophyllous moieties were prepared by intermolecular transesterification of a hydroxy-methoxy carbonyl-chlorin using 1,3-dichlorotetrabutyl distannoxane as a catalyst.
Journal ArticleDOI
Complestatin synthetic studies; the effect of the amino acid configuration on peptide backbone conformation in the common western BCD macrocycle.
TL;DR: The synthesis and structural analysis of four diastereomers of the common western BCD diarylether macrocycle of the complestatins, a family of HIV entry inhibitors, has been achieved exploiting a ruthenium-promoted intramolecular S(N)Ar reaction.