Abstract Spirocyclic analogues of Georgywood®(3) and unlike-10-acetyl-9, 10- dimethylbicyclo [6.4. 0] dodec-1 (8)-ene (4), in which the acetyl moiety and the methyl substituent of C-10 are part of a cyclopentyl or cyclohexyl ring, were synthesized from 8a- homomyrcene (6) and 4-methylenespiro [2.7] decane (13), respectively. 2- (Dimethylaminomethyl) cyclopentanone (7) or the allyl 1-(acetoxymethyl)-2- ...
[Mohr, Justin T.; Behenna, Douglas C.; Harned, Andrew M.; Stoltz, Brian M. Angewandte Chemie - International Edition, 2005 , vol. 44, # 42 p. 6924 - 6927]