| 摘要 |
<p>Reaction of an 0-methyl or O-ethyl resorcinol with a cyclohexene carbinol derivative in the presence of a catalyst affords a 6a,10a-trans-1-methoxy or 1-ethoxy-6,6-dimethyl-8,6a,7,8.10,10a-hexahydro-9H-dibenzo[b,d]pyran-9-one derivative. Optional deesterification of the product affords the corresponding 1-hydroxy compound.</p> |
