Reaction of 2,2-disubstituted cyclopentanones with bromine an alkali : facile preparation of 5,5-disubstituted 2-hydroxycyclopentenones and transformation to the 3,3-disubstituted cyclopentanones
作者:Ujjal K. Banerjee、R.V. Venkateswaran
DOI:10.1016/s0040-4039(00)85973-0
日期:1983.1
Reaction of 2,2-disubstitutted cyclopentanones () with bromine followed by aqueous alkali furnishes the 5,5-disubstituted 2-hydroxycyclopent-2-en-1-ones which were transformed to the 3,3-disubstituted cyclopentanones by reduction with hydriodic and acetic acids.