The members of the damascone family (1, Scheme I) extracted from Bulgarian roses constitute a popular class of perfumes.'Although this structure is relatively simple, their synthesis is not as easy as expected, and they are considered as valuable targets to test new synthetic methods. Several more or less complicated approaches have been expl~ red,~ J but the more simple access starts from the inexpensive, naturally occuring ionones ...
![1-[3-(2,6,6-Trimethyl-1-cyclohexen-1-yl)oxiranyl]ethanone结构式](https://image.chemsrc.com/caspic/072/139609-00-0.png)
