Optically active hydantoin derivatives, their synthesis, pharmaceutical formulations containing them, and intermediates
申请人:THE WELLCOME FOUNDATION LIMITED
公开号:EP0019223A1
公开(公告)日:1980-11-26
Compounds of formula (I)
having only two optically active centres, may exist as four isomers, each of which may be prepared by resolving a racemic amino-diester intermediate in the preparation thereof. The racemic amino-diester is selectively hydrolysed to the corresponding mono-ester which is acylated and subsequently selectively deacylated to produce the resolved mono-ester.
Isomers of compounds of formula (I) having a particular configuration are biologically more active than the corresponding isomers having other configurations and are useful in medicine, either as the raw compound or in a pharmaceutical formulation, for example in inhibiting platelet aggregation.
TOPICAL APPLICATION OF TRAVOPROST FOR COMBATING HAIR LOSS
申请人:Rethore Sandrine
公开号:US20100190853A1
公开(公告)日:2010-07-29
Travoprost medicament compositions for non-daily topical application are useful for simulating or inducing the growth and/or decreasing the loss and/or increasing the density and/or reducing the heterogeneity in the diameter of human hair shafts/follicles, e.g., for the treatment of androgenic alopecia, such medicament compositions being at least twice applied over a time interval of greater than 24 hours.
US8227514B2
申请人:——
公开号:US8227514B2
公开(公告)日:2012-07-24
US8980948B2
申请人:——
公开号:US8980948B2
公开(公告)日:2015-03-17
Heterocyclic prostaglandin analogues. Part 3. The relationship of configuration to biological activity for some hydantoin prostaglandin analogues
作者:Michael A. Brockwell、A. Gordon Caldwell、Norman Whittaker、Michael J. Begley
DOI:10.1039/p19810000706
日期:——
The enantiomers of the two diastereoisomers of 5-(6-carboxyhexyl)-1-(3-cyclohexyl-3-hydroxypropyl)hydantoin have been synthesised. Potent inhibition of platelet aggregation in this series is associated with the configuration corresponding to that in the natural inhibitors, such as prostaglandins E1 and D2.