Tricyclic lactones

摘要

New tricyclic lactones, viz. 10,10-dimethyl-3-oxa[7.1.1.02,7]undec-2(7)-en-4-one and 10,10-dimethyl-3-oxa-tricyclo[7.1.1.02,7]undec-4-one. These latter are useful perfuming and flavor-modifying ingredients.