REARRANGEMENT OF TRICYCLO (5- 2.2. o2 , )UNDECADIENO~ 9 VKSingh, PTDeota and BNSRaju Depahnent of Chemistry, Faculty of Science MSUniversity of Baroda. Baroda 390002,INDIA ... Abstract: A snort synthesis of various tricyclo (5.2.2.0' 6, undecadienones by Diels-Alder reaction of a 2.4-cyclohexadienone with dienes and their oxa-tiin- rearrangement is reported. ... In co-nnection with an exploratory project towards