Verona Pharma Plc

Crt Pioneer Fund LP

Kalvista Pharmaceuticals Limited

Pulmocide Limited

Cyclacel Limited

John Mykytiuk

Julian Scott Northen

Peter Lionel Spargo

Edward James French

Gillian Moore

Osama Suleiman

Suzanne Buttar

Benjamin Mark Skead

Gerald Steele

Julian Northen

Christopher John Wallis

Jamie Marshall

The invention relates to crystalline polymorphic manifestations of a compound of formula (I) and related aspects.

Polymorphs of triazole antifungal compound PC945

Ditosylate salts of N2-(2-ethoxy-4-(4-methyl-4H-1,2,4-triazol-3-yl)phenyl)-6-methyl-N8-neopentylpyrido[3,4-d]pyrimidine-2,8-diamine, and crystalline forms thereof; processes for the preparation of the new salt forms; and their use as therapeutic agents for the treatment and/or prevention of proliferative diseases, such as cancer.

Salt form

Diphosphate salts of N2-(2-ethoxy-4-(4-methyl-4H-1,2,4-triazol-3-yl)phenyl)-6-methyl-N8-neopentylpyrido[3,4-d]pyrimidine-2,8-diamine, and crystalline forms thereof, processes for the preparation of the new salt forms; and their use as therapeutic agents for the treatment and/or prevention of proliferative diseases, such as cancer.

The present invention relates to a pharmaceutically acceptable acid addition salt of: (i) 9,10-dimethoxy-2-(2,4,6-tri-methylphenylimino)-3-(N-carbamoyl-2-aminoethyl)-3,4,6,7-tetrahydro-2H-pyrimido[6,1-a]isoquinolin-4-one (RPL554); and (ii) ethane-1,2-disulfonic acid, ethanesulfonic acid, methanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid, hydrochloric acid, hydrobromic acid, phosphoric acid or sulfuric acid.

Salt of a pyrimido[6,1-A]isoquinolin-4-one compound

The present invention relates to a pharmaceutically acceptable acid addition salt of: (i) 9,10-dimethoxy-2-(2,4,6-trimethylphenylimino)-3-(N-carbamoyl-2-aminoethyl)-3,4,6,7-tetrahydro-2H-pyrimido[6,1-a]isoquinolin-4-one (RPL554); and (ii) ethane-1,2-disulfonic acid, ethanesulfonic acid, methanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid, hydrochloric acid, hydrobromic acid, phosphoric acid or sulfuric acid.

The invention provides new polymorphs of N&#x2014;[(R)-1-[(S)-1-(4-aminomethyl-benzylcarbamoyl)-2-phenyl-ethylcarbamoyl]-2-(4-ethoxy-phenyl)-ethyl]-benzamide hydrochloride, pharmaceutical compositions containing them and their use in therapy.

Growing community of inventors

Sunderland, United Kingdom

John Mykytiuk