申请人:HARBIN PHARMACEUTICAL GROUP CO., LTD. GENERAL PHARMACEUTICAL FACTORY
公开号:US10017507B2
公开(公告)日:2018-07-10
Disclosed are a series of diaza-benzofluoranthrene compounds. The present invention particularly relates to a compound represented by formula (I), pharmaceutically acceptable salts or tautomers thereof.
The preparation of vincamine (1a) via indoloquinolizine propionic esters (7) is discussed. A new synthesis of the starting material methyl 2-acetoxyacrylate and an oxidative transformation of 7b to 1a are described and an alternative, more efficient route is reported.
SPERM FUNCTION/ACTIVITY
申请人:University of Dundee
公开号:US20150231149A1
公开(公告)日:2015-08-20
The present invention concerns phosphodiesterase inhibitors which may be used to modulate sperm motility, activity and/or function. The invention provides modulators of PDE1Ga which may be used to modulate the physiological processes occurring within a sperm cell. The method includes contacting the sperm with a modulator of PDE1Ga activity or function.