Sunovion Pharmaceuticals Inc.

Sepracor, Inc.

H Scott Wilkinson

Kostas Saranteas

Tushar K Misra

Richard Hsia

Patrick Mousaw

William K McVicar

Paul Mcglynn

Craig R Abolin

Roger P Bakale

Zhengxu Han

Mark A Varney

Thomas Wessel

Judy Caron

Surendra Singh

Stefan G Koenig

Charles P Vandenbossche

Xiping Su

Karim Lalji

Patrick Mousau

Surendra P Singh

William K Mcvicar

Stephan G Koenig

The compound of formula (I) is a water-stable, long acting &#x3b2;-selective adrenoceptor agonist useful as a bronchodilator in the treatment of bronchoconstriction associated with reversible obstructive airways diseases and the like. Processes for making the compound of formula (I), as well as related intermediates, are disclosed.

Acetamide stereoisomer

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) are provided. The salts are useful for treating sleep disorders.

Method for treating a sleep disorder with eszopiclone maleate

L malate salts of (6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazine) are disclosed for decreasing the bitterness of eszopiclone dosage forms 

Method of decreasing the bitterness of a pharmaceutical dosage form containing zopiclone

Besylate salts of (6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazine) are provided. 

Method for treating anxiety with a dosage form of besylate salts of zopiclone or eszopiclone

L-malate salts of (6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl) carbonyloxy]-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazine) are provided. 

Method for treating a sleep disorder with a dosage form of a zopiclone or eszopiclone L-malate salt

The compound of formula (I) is a water-stable, long acting &#x3b2;-selective adrenoceptor agonist useful as a bronchodilator in the treatment of bronchoconstriction associated with reversible obstructive airways diseases and the like.

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) are provided. The salts are useful to provide blood levels of eszopiclone that are independent of fasting state.

Method for providing blood levels of eszopiclone with maleate salts

Method for treating a sleep disorder with a dosage form of besylate salts of zopiclone or eszopiclone

One aspect of the present invention relates to pharmaceutical compositions containing two or more active agents that when taken together can be used to treat, e.g., menopause, mood disorders, anxiety disorders, or cognitive disorders. The first component of the pharmaceutical composition is a sedative eszopiclone. The second component of the pharmaceutical composition is trans 4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-N-methyl-1-napthalenamine or trans 4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-napthalenamine. The present invention also relates to a method of treating menopause, perimenopause, mood disorders, anxiety disorders, and cognitive disorders.

Process for preparation of trans 4-(3,4-Dichlorophenyl)-1,2,3,4-tetrahydro-1Napthalenamine

L-malate salts of (6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazine) are provided. 

L-malate salts of 6-(5-chloro-2-Pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-Oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazine

Pharmaceutical compositions of 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) are provided. The maleate salts are sleep agents useful in oral dosage forms. 

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

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) are provided. 

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

Besylate salts of (6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl) carbonyloxy]-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazine) are provided. 

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Westborough, MA, United States of America

H Scott Wilkinson