Patent · US Expired

Benzopyran derivatives, method of production and use thereof

US7507761B2 · kind B2 · utility

1Cited by
1References
14Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJan 21, 2005
Grant dateMar 24, 2009
Priority date
Expiry dateMar 31, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D409/12
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to novel benzopyran derivatives of formula I, to their method of production, to composition comprising the derivatives and use thereof.wherein:R1, R2, R3 and R4 are independently hydrogen, halogen, C1-6-alkyl, C3-8-cycloalkyl, hydroxy, C1-6-alkoxy, C1-6-alkoxy-C1-6-alkyl, nitro, amino, cyano, cyanomethyl, perhalomethyl, C1-6-monoalkyl- or dialkylamino, sulfamoyl, C1-6-alkylthio, C1-6-alkylsulfonyl, C1-6-alkylsulfinyl, formyl, C1-6-alkylcarbonylamino, R8arylthio, R8arylsulfinyl, R8arylsulfonyl, C1-6-alkoxycarbonyl, C1-6-alkoxycarbonyl-C1-6-alkyl, carbamoyl, carbamoylmethyl, C1-6-monoalkyl- or dialkylaminocarbonyl, C1-6-monoalkyl- or dialkylaminothiocarbonyl, ureido, C1-6-monoalkyl- or dialkylaminocarbonylamino, thioureido, C1-6-monoalkyl- or dialkylaminothiocarbonylamino, C1-6-monoalkyl- or dialkylaminosulfonyl, carboxy, carboxy-C1-6-alkyl, acyl, R8aryl, R8aryl-C1-6-alkyl, R8aryloxy;R5 and R6 are each independently hydrogen, C1-6-alkyl or, R5 and R6 taken together with the carbon atom to which they are attached form a 3- to 6-membered carbocyclic ring;R7 is 2-, 3- or 4-pyridyl optionally mono- or polysubstituted by R1;R7 is 2- or 3-thienyl optionally mono- or p…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.