Methine colorant materials and the use thereof in electrophoretic migration imaging layers and processes

Claim 2

A compound having the formula ##STR32## wherein R 1 is hydrogen, lower alkyl, lower alkoxy, nitro, halogen, cyano, phenyl, lower alkylsulfonamido or lower alkoxycarbonyl and A 1 is a monovalent and A 2 is a divalent residue, of a 1,2,3,4-tetrahydroquinoline, benzomorpholine or indoline compound attached to the ═CH-- group by an aromatic ring carbon atom in the position para to the aromatic amine nitrogen atom.

Claim 3

A compound according to claim 1 having the formula ##STR33## wherein R 1 is hydrogen, lower alkyl, lower alkoxy, nitro, halogen, cyano, phenyl, lower alkylsulfonamido or lower alkoxycarbonyl and A 1 has the formula ##STR34## in which R 2 is hydrogen, lower alkyl, lower alkoxy or halogen; R 3 and R 4 are unsubstituted or substituted alkyl containing up to about 12 carbon atoms; cyclohexyl; unsubstituted or substituted aryl; or when R 4 is phenyl R 3 can be hydrogen; R 5 , R 6 and R 7 are hydrogen or lower alkyl; R 8 and R 9 are lower alkyl or aryl; R 17 is hydrogen or, when R 5 , R 6 and R 7 each is hydrogen, R 17 is halogen derived from halogen or hydroxy.

Claim 4

A compound according to claim 2 wherein R 1 is hydrogen and A 1 has the formula ##STR35## wherein R 13 is hydrogen, methyl, methoxy, ethoxy or chlorine; R 3 is lower alkyl, phenethyl; cyclohexylmethyl; benzyl; benzyl substituted with lower alkyl, lower alkoxy, chlorine, bromine or lower alkoxycarbonyl; aryl; or a group having the formula --R 11 --R 15 in which R 11 is ethylene, propylene, trimethylene or tetramethylene and R 15 is lower alkanoyloxy, cyano, lower alkoxycarbonyloxy, arylcarbamoyloxy, lower alkylcarbamoyloxy, aroyloxy, lower alkoxycarbonylbenzoyloxy, lower alkoxy, chlorine, aryloxy, 2-benzothiazolylthio, or a group having the formula ##STR36## in which Y is --CO--, --SO 2 --, or --CH 2 -- and R 16 is ethylene, propylene, trimethylene or o-arylene; R 8 , R 9 and R 10 each is hydrogen or methyl; and R 17 is hydrogen or, when R 8 , R 9 and R 10 each is hydrogen, R 17 is one of the substituents which R 15 can represent; in which each aryl moiety is phenyl, tolyl, lower alkoxyphenyl, or chlorophenyl.

Claim 5

A compound according to claim 2 wherein R 1 is hydrogen and A 1 has the formula ##STR37## wherein R 13 is hydrogen, methyl, methoxy, ethoxy or chlorine; R 3 is lower alkyl, phenethyl, cyclohexylmethyl; benzyl; benzyl substituted with lower alkyl, lower alkoxy, chlorine, bromine or lower alkoxycarbonyl; aryl; or a group having the formula --R 11 --R 15 in which R 11 is ethylene, propylene, trimethylene or tetramethylene and R 15 is lower alkanoyloxy, cyano, lower alkoxycarbonyloxy, arylcarbamoyloxy, lower alkylcarbamoyloxy, aroyloxy, lower alkoxycarbonylbenzoyloxy, lower alkoxy, chlorine, aryloxy, 2-benzothiazolylthio, or a group having the formula ##STR38## in which Y is --CO--, --SO 2 --, or --CH 2 -- and R 16 is ethylene, propylene, trimethylene or o-arylene; R 9 is hydrogen or methyl; in which each aryl moiety is phenyl, tolyl, lower alkoxyphenyl, or chlorophenyl,

Claim 6

A compound according to claim 2 wherein R 1 is hydrogen and A 1 has the formula ##STR39## wherein R 13 is hydrogen, methyl, methoxy, ethoxy or chlorine; R 3 is lower alkyl, phenethyl; cyclohexylmethyl; benzyl; benzyl substituted with lower alkyl, lower alkoxy, chlorine, bromine or lower alkoxycarbonyl; aryl; or a group having the formula --R 11 --R 15 in which R 11 is ethylene, propylene, trimethylene or tetramethylene and R 15 is lower alkanoyloxy, cyano, lower alkoxycarbonyloxy, arylcarbamoyloxy, lower alkylcarbamoyloxy, aroyloxy, lower alkoxycarbonylbenzoyloxy, lower alkoxy, chlorine, aryloxy, 2-benzothiazolylthio, or a group having the formula ##STR40## in which Y is --CO--, --SO 2 --, or --CH 2 -- and R 16 is ethylene, propylene, trimethylene or o-arylene; R 4 is lower alkyl; cyclohexyl; lower alkylcyclohexyl; benzyl; benzyl substituted with lower alkyl, lower alkoxy, chlorine or bromine; aryl; or a group having the formula --R 11 --R 17 in which R 11 is ethylene, propylene, trimethylene or tetramethylene and R 17 is lower alkanoyloxy, lower alkoxycarbonyloxy, aroyloxy or lower alkoxy; in which each aryl moiety is phenyl, tolyl, lower alkoxyphenyl, or chlorphenyl.

Claim 7

A compound according to claim 2 having the formula ##STR41##

Claim 8

A compound according to claim 2 having the formula ##STR42##

Claim 9

A compound according to claim 2 having the formula ##STR43##

Claim 10

A compound according to claim 2 having the formula ##STR44##

Claim 11

A compound according to claim 2 having the formula ##STR45##