Claims
- 1. A hydrazone compound represented by the following formula: ##STR94## wherein R.sub.1 and R.sub.2 each represent an aryl group, or collectively with the carbon atom to which they are attached a polycyclic group, R.sub.3 represents a halogen atom, an alkyl group or a phenyl group, and R.sub.4 and R.sub.5 each represent an alkyl, aralkyl or aryl group, with the proviso that at least one of R.sub.4 and R.sub.5 is an aryl group.
- 2. The hydrazone compound of claim 1, wherein R.sub.4 is phenyl.
- 3. The hydrazone compound of claim 1, wherein R.sub.3 is a hydrogen or chlorine atom.
- 4. The hydrazone compound of claim 1, wherein R.sub.1 and R.sub.2 are each phenyl.
- 5. The hydrazone compound of claim 1, wherein R.sub.5 is phenyl.
- 6. The hydrazone compound of claim 1, wherein R.sub.5 is methyl.
- 7. The hydrazone compound of claim 1, wherein each of R.sub.1, R.sub.2 and R.sub.4 is phenyl.
- 8. The hydrazone compound of claim 1, wherein R.sub.1 and R.sub.2 collectively with the carbon atom to which they are attached are 9-fluorenyldene, 10-xanthenyldene or 10-thioxanthenyldene.
- 9. The hydrazone compound of claim 1, which is represented by the following structural formula: ##STR95##
- 10. The hydrazone compound according to claim 1, wherein the polycyclic aralkyl and aryl groups are carbocyclic.
Priority Claims (5)
Number |
Date |
Country |
Kind |
1-088048 |
Apr 1989 |
JPX |
|
1-107594 |
Apr 1989 |
JPX |
|
1-130067 |
May 1989 |
JPX |
|
1-130068 |
May 1989 |
JPX |
|
1-262205 |
Oct 1989 |
JPX |
|
Parent Case Info
This is a division of application Ser. No. 07/505,273 filed Apr. 9, 1990, now U.S. Pat. No. 5,132,190.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4465857 |
Neumann et al. |
Aug 1984 |
|
4988596 |
Ueda |
Jan 1991 |
|
Divisions (1)
|
Number |
Date |
Country |
Parent |
505273 |
Apr 1990 |
|