49673-60-1Relevant academic research and scientific papers
Reductive and Regioselective Cleavage of Oxetanes Assisted by the Neighboring Hydroxyl
Kato, Michiharu,Kitahara, Haruo,Yoshikoshi, Akira
, p. 1647 - 1649 (2007/10/02)
On exposure to lithium aluminium hydride, 1,6-dioxaspiroundecane and 5-methyl-2-oxaspirononan-5-ol gave 1,2-dimethyl-c-2-(hydroxymethyl)-r-1-cyclohexanol (5) which was produced from regioselective C-O bond cleavage of oxetane rings by an int
Die Acylierung von Acetylenen mit β,γ-ungesaettigten Saeurechloriden. Eine neue Synthese von 5-substituierten 2-Cyclopentenonen
Karpf, Martin
, p. 73 - 85 (2007/10/02)
The acylation of acetylenes with α,α-disubstituted, β,γ-unsaturated acid chlorides under Friedel-Crafts-type conditions leads to 5-substituted 2-cyclopentenones.Phenols are formed with β,γ-unsaturated acid chlorides bearing at least one α-H-atom.These transformations are explained by the intramolecular cyclization of the initially formed vinyl cation, which, in the cases of α,α-disubstituted acid chlorides, is formed by ring contraction.The reaction leading to 2-cyclopentenones is applied to the syntesis of some spirodeca-2,6-dienones.
