| 摘要 |
<p>The present invention provides a process for producing tricyclic compounds which are useful as agents for treating renal diseases and arteriosclerosis, which process requires few steps and uses inexpensive materials, by using a compound of formula (III), wherein Z is a leaving group, X is an optionally substituted divalent hydrocarbon group, ring Y is an optionally substituted nitrogen-containing 5- or 6-membered heterocyclic ring and R is an optionally substituted divalent hydrocarbon group, or a salt thereof.</p> |
