Claims
- 1. A method of preparing a pyrenylamine derivative of formula (Ia) comprising the step of allowing an aldehyde compound of formula (II) to react with a phosphorus compound of formula (III) in accordance with the following reaction scheme: ##STR270## wherein R.sup.1 and R.sup.2 each represent hydrogen, a halogen atom, nitro group, cyano group, a dialkylamino group, an alkyl group having 1 to 10 carbon atoms, an alkoxyl group having 1 to 10 carbon atoms, or a phenyl group; R.sup.3 and R.sup.4 each represent hydrogen, cyano group, formyl group, an alkoxycarbonyl group, an alkyl group having 1 to 10 carbon atoms, an alkenyl group, or a phenyl group; R.sup.5a represents hydrogen, or an alkyl group having 1 to 10 carbon atoms; W represents hydrogen, an alkyl group having 1 to 10 carbon atoms, a phenylthio group, a bivalent chain unsaturated hydrocarbon group, a monovalent or bivalent carbocyclic aromatic group, or a monovalent or bivalent heterocyclic hydrocarbon group; and j is an integer of 1 to 5, k is an integer of 1 to 4, l is an integer of 0 to 2, m is an integer of 1 or 2, n is an integer of 1 to 3, provided that when j, k or n is 2 or more, R.sup.1, R.sup.2, R.sup.5a may be the same or different; X in formula (III) represents a phosphonium salt represented by -P+(R.sup.6).sub.3 Y.sup.-, or a dialkylphosphite group represented by -PO(OR.sup.7).sub.2, in which R.sup.6 represents a phenyl group or an alkyl group having 1 to 10 carbon atoms, Y represents a halogen atom, and R.sup.7 represents an alkyl group having 1 to 10 carbon atoms.
Priority Claims (9)
Number |
Date |
Country |
Kind |
3-360363 |
Dec 1991 |
JPX |
|
4-121326 |
Apr 1992 |
JPX |
|
4-173818 |
Jun 1992 |
JPX |
|
4-183142 |
Jun 1992 |
JPX |
|
4-213528 |
Jul 1992 |
JPX |
|
4-213529 |
Jul 1992 |
JPX |
|
4-234323 |
Aug 1992 |
JPX |
|
4-350440 |
Dec 1992 |
JPX |
|
5-168513 |
Jun 1993 |
JPX |
|
Parent Case Info
This is a division of application Ser. No. 08/427,124 filed on Apr. 24, 1995, pending; which is a divisional of Ser. No. 08/260,920 filed on Jun. 15, 1994, allowed U.S. Pat. No. 5,459,275; which is a continuation-in-part of Ser. No. 08/077,444 filed on Jun. 17, 1993, (abandoned); which is a Continuation-In-Part of Ser. No. 07/996,080 filed on Dec. 23, 1992, U.S. Pat. No. 5,344,985.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
5488164 |
Shimada et al. |
Jan 1996 |
|
Related Publications (1)
|
Number |
Date |
Country |
|
996080 |
Dec 1992 |
|
Divisions (2)
|
Number |
Date |
Country |
Parent |
427124 |
Apr 1995 |
|
Parent |
260920 |
Jun 1994 |
|
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
77444 |
Jun 1993 |
|