[EN] NEW COMPOUND AND PROCESS<br/>[FR] NOUVEAU COMPOSÉ ET PROCÉDÉ
申请人:VERONA PHARMA PLC
公开号:WO2018020249A1
公开(公告)日:2018-02-01
The present invention relates to a novel nitrile derivative of a pyrimido[6,1- a]isoquinolin-4-one compound of formula (A). The invention further relates to a process for producing a compound of formula (A). The invention also relates to a process which comprises reducing a compound of formula (A). Compounds of the invention are useful in the production of compounds such as RPL554. (A)