Bicyclic terpene hydrocarbons of the carane, carene, thujane, thujene series, etc., widely occur in plants in the form of such functional derivatives as alcohols, ketones, carboxylic acids, or esters which exhibit a broad spectrum of biological activity [1]. These properties may be enhanced by introducing phos- phorus-containing groups into their structure. In this connection, we have studied the reactions of some дддддддддддд ... R = CH3 (a), C2H5 (b), C3H7 (c), i-C3H7 (d).
![7,7-dichloro-2-ethoxybicyclo[4.1.0]heptane结构式](https://image.chemsrc.com/caspic/084/845717-01-3.png)
