Process for the preparation of pyridobenzodiazepinone

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Jun 20, 1989
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Oct 26, 1988
filing date
Oct 30, 1987

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Expired

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Abstract

The present invention refers to an improved method for the preparation of 6,11-dihydro-5H-pyrido[2,3-b][1,5]benzodiazepin-5-one in which the condensation between 2-chloronicotinic acid and o-phenylenediamine is carried out by refluxing in the presence of a solvent consisting of a cycloalkanol. The end product is in pure state and it may be utilized as such.

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Patent Owner(s)

Patent Owner	Address
DOMPE' FARMACEUTICI S P A VIA SAN MARTINO 12 - 20122 MILANO (ITALY)	Not Provided

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C07D:HETEROCYCLIC COMPOUNDS

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Borsa, Massimiliano	Vimodrone, IT	7	6
Giani, Roberto P	Locate Triulzi, IT	3	5
Parini, Ettore	Cologno Monzese, IT	5	54
Tonon, Giancarlo	Milan, IT	20	124

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Process for the preparation of pyridobenzodiazepinone

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07262787

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PATENT NO	4841046
SERIAL NO	07262787
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07262787

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