Back to results
US 7,405,306 B2Granted
3-Heteroaryl-3,5-dihydro-4-oxo-4H-pyridazino[4,5-b]indole-1-acetamide derivatives, their preparation and their application in therapeutics
AssigneeSanofi-Aventis
InventorsJacques Froissant, Benoit Marabout, Frank Marguet, Frederic Puech
Life of this patent
Estimating the term…
Abstract
The invention discloses and claims therapeutic uses of compounds of general formula (I) Wherein X, R1, R2 and R3 are as described herein. The invention further discloses processes for preparing them, and novel intermediates therefor.
Claims2
A compound of the formula (III):
- in which
- X represents a hydrogen or halogen atom,
- R1 represents a hydrogen atom or a (C1-C4)alkyl group,
- R′ and R″, each independently of one another, represent a (C1-C4)alkyl group.
1 more element
A compound of the formula (IV):
- in which
- X represents a hydrogen or halogen atom,
- R1 represents a hydrogen atom or a (C1-C4)alkyl group,
- R′ represents a (C1-C4)alkyl group,
- R2 and R3, each independently of one another, represent a hydrogen atom or a (C1-C4)alkyl group, or else R2 and R3, together with the nitrogen atom bearing them, form a pyrrolidinyl, piperidinyl, morpholinyl or 4-(C1-C4)alkylpiperazinyl group.
2 more elements
Dependencies are inferred from the claim text.