US2015203501A1PendingUtilityA1

MALEATE SALTS OF 6-(5-CHLORO-2-PYRIDYL)-5-[(4-METHYL-1-PIPERAZINYL)CARBONYLOXY]-7-OXO-6,7-DIHYDRO-5H-PYRROLO[3,4-b]PYRAZINE

Assignee: SUNOVION PHARMACEUTICALS INCPriority: Dec 19, 2007Filed: Oct 28, 2014Published: Jul 23, 2015

Est. expiryDec 19, 2027(~1.4 yrs left)· nominal 20-yr term from priority

Inventors:H. Scott Wilkinson Richard Hsia Tushar Misra Kostas Saranteas Patrick Mousaw

A61P 7/00A61P 25/00C07D 487/04C07C 57/145A61P 25/20

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Claims

Abstract

A novel maleate salt of (6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazine) is provided.

Claims

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1 .- 6 . (canceled) 
     
     
         7 . A composition formed by reacting racemic or enantioenriched 6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazine and maleic acid. 
     
     
         8 .- 11 . (canceled)

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