申请人:TAKEDA PHARMACEUTICAL COMPANY LIMITED
公开号:US20160002209A1
公开(公告)日:2016-01-07
The present invention provides an industrially advantageous method of producing a pyridazinone compound. The present invention relates to the following method of producing a pyridazinone compound: Formula (II), (IIIa), (IV) or (IV″), Formula (IIIb), (Vb) or (V″b), Formula (VI), (I) or (I″), wherein each symbol is as described in the specification.
本发明提供了一种工业上有利的生产吡啶二酮类化合物的方法。本发明涉及以下生产吡啶二酮类化合物的方法:公式(II),(IIIa),(IV)或(IV″),公式(IIIb),(Vb)或(V″b),公式(VI),(I)或(I″),其中每个符号如说明书所述。