Patent ID: 6399791
Filing Date: 2002-06-04
Classification: C03C,C07D,C08F,C09K

Abstract:
A naphthopyran having formula (I) below: whereinR1 and R2, which are identical or different, represent independently a linear alkyl group having 1 to 4 carbon atoms; a R3 represents: hydrogen or an R11 group, R11 represent: a linear or branched alkyl group having 1 to 12 carbon atoms; a cycloalkyl or bicycloalkyl group having 3 to 12 carbon atoms; an aralkyl group, the alkyl group, of which is linear or branched and has 1 to 3 carbon atoms and the aryl group of which is selected from a phenyl group or a naphthyl group optionally substituted with at least one linear or branched alkyl group having 1 to 6 carbon atoms or a linear or branched alkoxy group having 1 to 6 carbon atoms; a CH2CO(R12) group, R12 being an OH, a linear or branched alkyl group having 1 to 6 carbon atoms, a linear or branched alkoxy group having 1 to 6 carbon atoms, or a phenoxy group; or a CH2CN group; or a CO(R13) group, R13 represent: a linear or branched alkyl group having 1 to 12 carbon atoms; a cycloalkyl or bicycloalkyl group having 3 to 12 carbon atoms; a vinyl or 2-propenyl group; a phenyl or naphthyl group optionally substituted with at least one linear or branched alkoxy group having 1 to 6 carbon atoms; or a phenoxy group; or a secondary amine group NH(R14), R14 representing a linear or branched alkyl group having 1 to 12 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, or a phenyl group optionally substituted with at least one linear or branched alkyl group having 1 to 6 carbon atoms; R4 to R8, identical or different, represent independently: hydrogen; a halogen; a linear or branched alkyl group having 1 to 12 carbon atoms; a linear or branched alkoxy group having 1 to 12 carbon atoms; a linear or branched alkenyl group having from 1 to 12 carbon atoms; an aryl or heteroaryl group, said heteroaryl group further having at least one heteroatom selected from sulfur, oxygen and nitrogen; said aryl or heteroaryl group being optionally substituted with at least one substituent selected from: a halogen; a linear or branched alkyl group having 1 to 6 carbon atoms; a linear or branched alkoxy group having 1 to 6 carbon atoms; a linear or branched haloalkyl or haloalkoxy group having 1 to 6 carbon atoms; an â€”NH2 group; an â€”NHR group, R representing a linear or branched alkyl group having 1 to 6 carbon atoms; or a â€ƒgroup, Râ€² and Râ€³, which are identical or different, represent independently a linear or branched alkyl group having 1 to 6 carbon atoms or, together with the nitrogen atom to which they are attached, forming a 5 to 7 membered ring which optionally contains at least one other heteroatom selected from oxygen, sulfur and nitrogen, said nitrogen being optionally substituted with an Râ€²â€³ group which is a linear or branched alkyl group having 1 to 6 carbon atoms; an amine or amide group: â€”NH2, â€”NHR, â€”CONH2, â€”CONHR, â€ƒin which R represents a linear or branched alkyl group having 1 to 6 carbon atoms and in which Râ€² and Râ€³, which are identical or different, independently represent a linear or branched alkyl group having 1 to 6 carbon atoms or, together with the nitrogen atom to which they are attached, form a 5 to 7 membered ring which optionally contains at least one other heteroatom selected from oxygen, sulfur, and nitrogen, said nitrogen being optionally substituted with an Râ€²â€³ group which is a linear or branched alkyl group having 1 to 6 carbon atoms; a â€”OCO(R15) or â€”COO(R15) group, R15 representing a linear or branched alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, or a phenyl group optionally substituted with at least one substituent selected from the group consisting of: a halogen; a linear or branched alkyl group having 1 to 6 carbon atoms; a linear or branched alkoxy group having 1 to 6 carbon atoms; a linear or branched haloalkyl or haloalkoxy group having 1 to 6 carbon atoms; an â€”NH2 group; an â€”NHR group, R representing a linear or branched alkyl group having 1 to 6 carbon atoms; and a â€ƒgroup, Râ€² and Râ€³, which are identical or different, representing independently a linear or branched alkyl group having 1 to 6 carbon atoms or, together with the nitrogen atom to which they are attached, forming a 5 to 7 membered ring which optionally contains at least one other heteroatom selected from oxygen, sulfur and nitrogen, said nitrogen being optionally substituted with an Râ€²â€³ group which is a linear or branched alkyl group having 1 to 6 carbon atoms; a methacryloyl or a acryloyl group; or an epoxy group of formula: â€ƒwherein n=1, 2 or 3; and R9 and R10, which are identical or different, represent independently: hydrogen, a linear or branched alkyl group having 1 to 12 carbon atoms; a cycloalkyl or bicycloalkyl group having 3 to 12 carbon atoms; an aryl or heteroaryl group, said heteroaryl group further having at least one heteroatom selected from sulfur, oxygen and nitrogen; said aryl or heteroaryl group being optionally substituted with at least one substituent selected from: a halogen; a linear or branched alkyl group having 1 to 6 carbon atoms; a linear or branched alkoxy group having 1 to 6 carbon atoms; a linear or branched haloalkyl or haloalkoxy group having 1 to 6 carbon atoms; an â€”NH2 group; an â€”NHR group, R representing a linear or branched alkyl group having 1 to 6 carbon atoms; or a â€ƒgroup, Râ€² and Râ€³, which are identical or different, representing independently a linear or branched alkyl group having 1 to 6 carbon atoms or, together with the nitrogen atom to which they are attached, forming a 5 to 7 membered ring which optionally contains at least one other heteroatom selected from oxygen, sulfur and nitrogen, said nitrogen being optionally substituted with an Râ€²â€³ group which is a linear or branched alkyl group having 1 to 6 carbon atoms; or an aralkyl or heteroaralkyl group, the alkyl group, which is linear or branched, having from 1 to 4 carbon atoms and the aryl and heteroaryl groups being optionally substituted with a substituent selected from the group consisting of: a halogen; a linear or branched alkyl group having 1 to 6 carbon atoms; a linear or branched alkoxy group having 1 to 6 carbon atoms; a linear or branched haloalkyl or haloalkoxy group having 1 to 6 carbon atoms; an â€”NH2 group; an â€”NHR group, R representing a linear or branched alkyl group having 1 to 6 carbon atoms; and a â€ƒgroup, Râ€² and Râ€³, which are identical or different, representing independently a linear or branched alkyl group having 1 to 6 carbon atoms or, together with the nitrogen atom to which they are attached, forming a 5 to 7 membered ring which optionally contains at least one other heteroatom selected from oxygen, sulfur and nitrogen, said nitrogen being optionally substituted with an Râ€²â€³ group which is a linear or branched alkyl group having 1 to 6 carbon atoms; or said two substituents R9 and R10 together form an adamantyl group, a norbornyl group, a fluorenylidene group, a di(C1-C6)alkylanthracenylidene group, or a spiro anthracenylidene group bearing a (C5-C6)cycloalkyl moiety; said group being optionally substituted with at least one substituent selected from the group consisting of:a halogen; a linear or branched alkyl group having 1 to 6 carbon atoms; a linear or branched alkoxy group having 1 to 6 carbon atoms; a linear or branched haloalkyl or haloalkoxy group having 1 to 6 carbon atoms; an â€”NH2 group; an â€”NHR group, R representing a linear or branched alkyl group having 1 to 6 carbon atoms; and a â€ƒgroup, Râ€² and Râ€³, which are identical or different, representing independently a linear or branched alkyl group having 1 to 6 carbon atoms or, together with the nitrogen atom to which they are attached, forming a 5 to 7 membered ring which optionally contains at least one other heteroatom selected from oxygen, sulfur and nitrogen, said nitrogen being optionally substituted with an Râ€²â€³ group which is a linear or branched alkyl group having 1 to 6 carbon atoms.