The Robinson Annulation
Description: The Robinson annulation is a method for forming six membered rings. It is a sequential combination of the Michael reaction and the Aldol condensation.
This page is available to MOC Members only.
Sign up here for about 30 cents/ day!
Real-Life Examples:
Org. Synth. 1961, 41, 38
DOI Link: 10.15227/orgsyn.041.0038


What if we need to synthesis five membered ring instead of six member. What type of base will preferrably help.
Robinson annulation is not going to help in that case.