The reaction of ozonides from mono-substituted alkenes with stabilized phosphorus ylides
作者:Yung-Son Hon、Ling Lu、Shyh-Yuan Li
DOI:10.1039/c39900001627
日期:——
Ozonides derived frommono-substitutedalkenes react with methyl (triphenylphosphoranylidene)acetate or (triphenylphosphoranylidene)acetophenone to form trans-α,β-unsaturated esters or ketones, respectively, in high yields.
HON, YUNG-SON;LU, LING;LI, SHYH-YUAN, J. CHEM. SOC. CHEM. COMMUN.,(1990) N2, C. 1627-1628
作者:HON, YUNG-SON、LU, LING、LI, SHYH-YUAN
DOI:——
日期:——
Syntheses of α,β-Unsaturated Carbonyl Compounds from the Reactions of Monosubstituted Ozonides with Stable Phosphonium Ylides
作者:Yung-Son Hon、Ling Lu、Rong-Chi Chang、Sheng-Wun Lin、Pei-Pei Sun、Chia-Fu Lee
DOI:10.1016/s0040-4020(00)00903-0
日期:2000.11
Ozonides derived from terminal alkenes reacted with 1.3 mol equiv. of stable phosphonium ylides to give (E)-α,β-unsaturated carbonyl compounds in good to excellent yields. No reducing agent is needed in the reaction. However, alkoxyalkyl-substituted ozonides afforded a mixture of (Z)- and (E)-α,β-unsaturated carbonyl compounds under similar condition. The E/Z isomeric ratio is affected by the position
Stereoselective Syntheses of Bridgehead Hydroxy Compounds via Reductive Cyclization Reactions Promoted by Samarium Diiodide
作者:Yung-Son Hon、Ling Lu、Kuan-Po Chu
DOI:10.1080/00397919108021791
日期:1991.9
Abstract Cycloalkanones appended with an α, β-unsaturated carbonyl side chain react with 2.25 equivalents of samariumdiiodide to form bicyclic or tricyclic bridgehead hydroxy compounds stereoselectively in moderate yield.