Claims
- 1. A charge generating material having the formula (I): ##STR466## wherein Ar in the formula (I) is ##STR467## wherein X represents --OH, ##STR468## or --NHSO.sub.2 --R.sup.3, wherein R.sup.1 and R.sup.2 each represent hydrogen, an unsubstituted or substituted alkyl group; and R.sup.3 represents an unsubstituted or substituted alkyl group or an unsubstituted or substituted aryl group;
- Y.sup.1 represents hydrogen, a halogen, an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group, a carboxyl group, a sulfo group, an unsubstituted or substituted sulfamoyl group, ##STR469## wherein R.sup.4 represents hydrogen, an unsubstituted or substituted alkyl group, or an unsubstituted or substituted phenyl group; and Y.sup.2 represents an unsubstituted or substituted cyclic hydrocarbon group, an unsubstituted or substituted heterocyclic group, or ##STR470## wherein R.sup.5 represents an unsubstituted or substituted cyclic hydrocarbon group, an unsubstituted or substituted heterocyclic group, or an unsubstituted or substituted styryl group; and R.sup.6 represents hydrogen, an alkyl group, or an unsubstituted or substituted phenyl group, or R.sup.5 and R.sup.6 may form an unsubstituted or substituted ring in combination with a carbon atom linked thereto;
- Z represents an unsubstituted or substituted cyclic hydrocarbon group, or an unsubstituted or substituted heterocyclic group; n is an integer of 1 or 2; and m is an integer of 1 wherein X is situated ortho or para to the site of attachment of the azo group.
- 2. A charge generating material having the formula (I): ##STR471## wherein Ar is ##STR472## wherein X represents --OH, ##STR473## or --NHSO.sub.2 --R.sup.3, wherein R.sup.1 and R.sup.2 each represent hydrogen, or an unsubstituted or substituted alkyl group; and R.sup.3 represents an unsubstituted or substituted alkyl group or an unsubstituted or substituted aryl group;
- Y.sup.1 represents hydrogen, a halogen, an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxyl group, a carboxyl group, a sulfo group, an unsubstituted or substituted sulfamoyl group, or ##STR474## wherein R.sup.4 represents hydrogen, an unsubstituted or substituted alkyl group, or an unsubstituted or substituted phenyl group; and Y.sup.2 represents an unsubstituted or substituted cyclic hydrocarbon group, an unsubstituted or substituted heterocyclic group, or ##STR475## wherein R.sup.5 represents an unsubstituted or substituted cyclic hydrocarbon group, an unsubstituted or substituted heterocyclic group, or an unsubstituted or substituted styryl group; and R.sup.6 represents hydrogen, an alkyl group, or an unsubstituted or substituted phenyl group, or R.sup.5 and R.sup.6 may form an substituted or substituted ring in combination with a carbon atom linked thereto; and
- Z represents an unsubstituted or substituted cyclic hydrocarbon group or an unsubstituted or substituted heterocyclic group.
- 3. A charge generating material having the formula (I): ##STR476## wherein Ar is ##STR477## wherein X represents --OH, ##STR478## or --NHSO.sub.2 --R.sup.3, wherein R.sup.1 and R.sup.2 each represent hydrogen, or an unsubstituted or substituted alkyl group; and R.sup.3 represents an unsubstituted or substituted alkyl group or an unsubstituted or substituted aryl group;
- Y.sup.1 represents hydrogen, a halogen, a substituted or unsubstituted alkyl group, an unsubstituted or substituted alkoxyl group, a carboxyl group, a sulfo group, a substituted or unsubstituted sulfamoyl group, or ##STR479## wherein R.sup.4 represents hydrogen, an unsubstituted or substituted alkyl croup, or an unsubstituted or substituted phenyl group; and Y.sup.2 represents an unsubstituted or substituted cyclic hydrocarbon group, an unsubstituted or substituted heterocyclic group, or ##STR480## wherein R.sup.5 represents an unsubstituted or substituted cyclic hydrocarbon group, an unsubstituted or substituted heterocyclic group, or an unsubstituted or substituted styryl group; and R.sup.6 represents hydrogen, an alkyl group, or an unsubstituted or substituted phenyl group, or R.sup.5 and R.sup.6 may form an unsubstituted or substituted ring in combination with a carbon atom linked thereto: and
- Z represents an unsubstituted or substituted cyclic hydrocarbon group, or an unsubstituted or substituted heterocyclic group.
- 4. A bisazo compound having the formula: ##STR481## wherein Ar represents ##STR482## wherein Y represents a methoxy carbonyl group; an N,N-dimethyl carbamoyl group; --CONH--Y.sup.1 in which Y.sup.1 represents an unsubstituted or substituted hydrocarbon group, or an unsubstituted or substituted heterocyclic group; or --CONH.dbd.CH--Y.sup.2 in which Y.sup.2 represents an unsubstituted or substituted hydrocarbon group, or an unsubstituted or substituted heterocyclic group; and Z represents a benzene ring, a naphthalene ring, or an carbazole ring each of which rings may have a substituent.
- 5. The bisazo compound as claimed in claim 4, wherein said benzene ring, naphthalene ring and carbazole ring represented by Z may have a substituent selected from the group consisting of a halogen, an alkyl group, and an alkoxyl group; said hydrocarbon group represented by Y.sup.1 is (i) a phenyl group which may have a substituent selected from the group consisting of an alkyl group, an alkoxyl group, a hydroxyl group, a dialkylamino group, a halogen, a nitro group, a phenylamino group and a phenylcarbamoyl group, or (ii) a naphthyl group which may have a substituent selected from the group consisting of an alkyl group, a halogen, a hydroxyl group, a nitro group and an alkoxyl group; or said heterocyclic group represented by Y.sup.1 is a group selected from the group consisting of a carbazolyl group, ##STR483## and said hydrocarbon group represented by Y.sup.2 is (i) a phenyl group or naphthyl group which may have a substituent selected from the group consisting of an alkyl group, an alkoxyl group, a halogen, a hydroxyl group and a nitro group, or (ii) an anthryl group.
Priority Claims (2)
Number |
Date |
Country |
Kind |
63-97933 |
Apr 1988 |
JPX |
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63-120145 |
May 1988 |
JPX |
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Parent Case Info
This is a divisional of application Ser. No. 07/924, 581, filed on Aug. 5, 1992, now U.S. Pat. No. 5,344,735, which is a continuation of application Ser. No. 07/680,237, filed on Apr. 3, 1991, now abandoned, which is a Continuation of Application Ser. No. 07/341,111, filed on Apr. 20, 1989, now abandoned.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
4486519 |
Sasaki |
Dec 1984 |
|
4830943 |
Sasaki et al. |
May 1989 |
|
5081233 |
Sasaki et al. |
Jan 1992 |
|
Foreign Referenced Citations (5)
Number |
Date |
Country |
62-156166 |
Jul 1987 |
JPX |
63-142063 |
Jun 1988 |
JPX |
64-33161 |
Feb 1989 |
JPX |
64-63970 |
Mar 1989 |
JPX |
64-79753 |
Mar 1989 |
JPX |
Divisions (1)
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Number |
Date |
Country |
Parent |
924581 |
Aug 1992 |
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Continuations (2)
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Number |
Date |
Country |
Parent |
680237 |
Apr 1991 |
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Parent |
341111 |
Apr 1989 |
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