Patent GB-1402882-A (GB)
Title: Monoazo compounds and textile materials dyed therewith
IPC: C09B29/033
Filed: 1972-07-27
Abstract: 1402882 Mono-azo dyes EASTMAN KODAK CO 27 July 1972 [28 July 1971 22 Nov 1971] 35175/72 Heading C4P [Also in Division C2] The invention comprises dyes having the formulµ wherein R<SP>1</SP> is a hydrogen atom, or lower alkyl; lower alkyl substituted with a hydroxy, carbamoyl, lower alkylsulphonyl, lower alkylsulphonamido, phenyl (which may be substituted with halogen or a lower alkyl or lower alkoxy group), lower alkoxy, -NHCO-R<SP>6</SP> or group or a chlorine or bromine atom; lower alkoxy; lower alkoxy substituted with a hydroxy, carbamoyl, lower alkylsulphonyl, lower alkylsulphonamido, phenyl (which may be substituted with halogen or a lower alkyl or lower alkoxy group), lower alkoxy, or -OCO-R<SP>6</SP> group or a chlorine or bromine atom; cyclohexoxy; lower alkylcyclohexoxy; or lower alkanoylamino; or a chlorine or bromine atom; R<SP>2</SP> is a hydrogen atom or, when R<SP>1</SP> is a hydrogen atom or a lower alkyl or lower alkoxy group, R<SP>2</SP> is a lower alkyl or lower alkoxy group or a chlorine or bromine atom; R<SP>3</SP> is a lower alkyl, lower alkoxy or -NHCO-R<SP>6</SP> group and n is 0, 1 or 2; R<SP>4</SP> is lower alkyl, lower alkyl substituted with lower alkoxy, cyclohexoxy, phenyl (which may be substituted with halogen or a lower alkyl or lower alkoxy group); lower alkenyl; cyclohexyl; lower alkylcyclohexyl; phenyl (which may be substituted with halogen or a lower alkyl or lower alkoxy group); or, when R<SP>3</SP> is an alkyl group positioned ortho to the nitrogen atom to which R<SP>4</SP> is attached, R<SP>4</SP> is a hydrogen atom; R<SP>5</SP> is an alkylene group having two to four carbon atoms; R<SP>5a</SP> is allyl, alkyl or alkyl substituted with halogen, alkoxy, cyano, phenyl (which may be substituted with halogen or a lower alkyl or lower alkoxy group), cycloalkyl, alkylcarbamoyloxy, arylcarbamoyloxy, ureido, alkylureido, -NHCO-R<SP>6a</SP>, R<SP>6</SP> is a hydrogen atom or lower alkyl; lower alkyl substituted with a hydroxy, lower alkoxy, lower alkylthio, lower alkanoyloxy, cyano, carbamoyl, phenyl (which may be substituted with halogen or a lower alkyl or lower alkoxy group), phenoxy (which may be substituted with halogen or a lower alkyl or lower alkoxy group) or lower alkylsulphonyl group or a chlorine or bromine atom; cyclohexyl; lower alkylcyclohexyl; lower alkoxy; furyl; or phenyl (which may be substituted with halogen or a lower alkyl or lower alkoxy group); R<SP>6a</SP> is a hydrogen atom, lower alkyl; lower alkyl substituted with hydroxy, lower alkoxy, lower alkylthio, lower alkanoyloxy, cyano, carbamoyl, phenyl (which may be substituted with halogen or a lower alkyl or lower alkoxy group), phenoxy (which may be substituted with halogen or a lower alkyl or a lower alkoxy group) or lower alkylsulphonyl group or a chlorine or bromine atom; cyclohexyl; lower alkylcyclohexyl; lower alkoxy; furyl; alkenyl; or phenyl (which may be substituted with halogen or a lower alkyl or lower alkoxy group); R<SP>7</SP> is an alkyl group; R<SP>8</SP>, R<SP>9</SP> and R<SP>11</SP> are each a hydrogen atom or an alkyl group; R<SP>10</SP> is a hydrogen atom or one of the following groups, alkyl, cycloalkyl or phenyl (which may be substituted with halogen or a lower alkyl or lower alkoxy group); and R<SP>10</SP> and R<SP>11</SP> taken together represent an alkylene or alkyloxyalkylene group.