6-chloro-3,4-dihydro-pyrano [2,3-b]pyridines having the R configuration
申请人:Pfizer Inc.
公开号:US05068333A1
公开(公告)日:1991-11-26
The present invention relates to processes and intermediates for the preparation of spiro-heteroazolones. The latter compounds are useful as aldose reductase inhibitors.
The present invention relates to processes and intermediates for the preparation of spiro-heteroazolones. The latter compounds are useful as aldose reductase inhibitors.