Thallium Trinitrate Mediated Oxidation of 3-Alkenols: Ring Contraction vs Cyclization
摘要:
The reaction of a series of six-membered ring 3-alkenols with thallium trinitrate (TTN) in three different experimental conditions was studied. Either cyclization products or ring contraction products were obtained, depending on the structure of the substrate as well as the nature of the solvent. The reaction of a seven-membered ring 3-alkenol with TTN led to the ring contraction product exclusively.
Thallium Trinitrate Mediated Oxidation of 3-Alkenols: Ring Contraction vs Cyclization
摘要:
The reaction of a series of six-membered ring 3-alkenols with thallium trinitrate (TTN) in three different experimental conditions was studied. Either cyclization products or ring contraction products were obtained, depending on the structure of the substrate as well as the nature of the solvent. The reaction of a seven-membered ring 3-alkenol with TTN led to the ring contraction product exclusively.
Reaction Of β,γ-Unsaturated Carboxylic Acids With Thallium Triacetate (Tta): Lactonization<i>VS</i>Oxidative Decarboxylation
作者:Helena M. C. Ferraz、Mčnica V. A. Grazini、Luiz F. Silva、Luiz S. Longo
DOI:10.1080/00397919908086184
日期:1999.6
Abstract The reaction of six β,γ-unsaturated carboxylic acids with thalliumtriacetate (TTA) was studied. The nature of the products is highly sensitive to the substitution pattern of the substrates. Aliphatic acids gave mainly lactones, while those bearing an aromatic ring furnished only decarboxylation products.
Generally applicable synthesises which lead to d, l-iridomyrmecin and related bicyclic γ and δ-lactones are reported.
据报道,普遍适用的合成方法可导致d,1- iridomyrmecin以及相关的双环γ和δ-内酯。
Harding; Haworth; Perkin, Journal of the Chemical Society, 1908, vol. 93, p. 1968
作者:Harding、Haworth、Perkin
DOI:——
日期:——
Thallium Trinitrate Mediated Oxidation of 3-Alkenols: Ring Contraction vs Cyclization
作者:Helena M. C. Ferraz、Luiz S. Longo、Julio Zukerman-Schpector
DOI:10.1021/jo011178m
日期:2002.5.1
The reaction of a series of six-membered ring 3-alkenols with thallium trinitrate (TTN) in three different experimental conditions was studied. Either cyclization products or ring contraction products were obtained, depending on the structure of the substrate as well as the nature of the solvent. The reaction of a seven-membered ring 3-alkenol with TTN led to the ring contraction product exclusively.