Cyano-dienes, halopyridines, intermediates and a process for their
申请人:E. I. Du Pont de Nemours and Company
公开号:US05107057A1
公开(公告)日:1992-04-21
This invention relates to certain cyano-dienes and halopyridines and the processes for their preparation from a protected 1,3-dialdehyde and a cyano-diene.