Claims
- 1. An aromatic diamino compound represented by the formula (3): ##STR57## wherein L is an oxygen atom, carbonyl, isopropylidene or hexafluoroisopropylidene, and X is ##STR58##
- 2. An aromatic diamino compound of claim 1 represented by the formula (3-1): ##STR59## or represented by the formula (3-2): ##STR60## wherein L is the same as above.
- 3. A preparation process of an aromatic diamino compound represented by the formula (3): ##STR61## wherein L and X are the same as above, comprising carrying out condensation of a hydroxyl group containing aromatic amino compound represented by the formula (7): ##STR62## wherein L is an oxygen atom, carbonyl, isopropylidene or hexafluoroisopropylidene, with a compound represented by the formula (8):
- Y--X--Y (8)
- Wherein X is ##STR63## and Y is a halogen atom, in an aprotic polar solvent in the presence of a base.
Priority Claims (4)
Number |
Date |
Country |
Kind |
5-322631 |
Dec 1993 |
JPX |
|
5-335511 |
Dec 1993 |
JPX |
|
6-160313 |
Jul 1994 |
JPX |
|
6-160960 |
Jul 1994 |
JPX |
|
Parent Case Info
This application is a divisional of application No. 08/357,193, filed Dec. 13, 1994, now U.S. Pat. No. 5,508,377.
Foreign Referenced Citations (6)
Number |
Date |
Country |
233069 |
Aug 1987 |
EPX |
333406 |
Sep 1989 |
EPX |
397023 |
Nov 1990 |
EPX |
62-116563 |
May 1987 |
JPX |
62-205124 |
Sep 1987 |
JPX |
3-17129 |
Jan 1991 |
JPX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
357193 |
Dec 1994 |
|