Claims
- 1. A compound represented by the following formula (II): ##STR33## wherein R.sup.1 represents a substituted or unsubstituted alkyl group having from 1 to 6 carbon atoms; R.sup.a, R.sup.b, R.sup.c and R.sup.d each independently represents a hydrogen atom, a substituted or unsubstituted alkyl group having from 1 to 18 carbon atoms, or a substituted or unsubstituted alkenyl group having from 2 to 18 carbon atoms; X represents --OR.sup.6 ; and R.sup.6 represents a hydrogen atom, a substituted or unsubstituted alkyl group having from 1 to 22 carbon atoms, a substituted or unsubstituted alkenyl group having from 2 to 22 carbon atoms, or an aryl group having from 6 to 22 carbon atoms, provided that when all of R.sup.a, R.sup.b, R.sup.c and R.sup.d represent hydrogen atoms, R.sup.6 and R.sup.7 represent a substituted or unsubstituted alkyl group having 14 or more carbon atoms or an aryl group having from 6 to 22 carbon atoms.
- 2. A compound as claimed in claim 1, wherein R.sup.a represents an alkenyl or alkyl group having from 12 to 18 carbon atoms, R.sup.b, R.sup.c and R.sup.d represent hydrogen atoms, R.sup.1 represents a methyl group, an ethyl group, or an n-hexyl group, X represents --OR.sup.6, and R.sup.6 represents an alkyl or alkenyl group having from 12 to 18 carbon atoms.
- 3. A compound as claimed in claim 1, wherein R.sup.c represents an alkenyl or alkyl group having from 12 to 18 carbon atoms, R.sup.a, R.sup.b and R.sup.d represent hydrogen atoms, R.sup.1 represents a methyl group, an ethyl group or an n-hexyl group, X represents --OR.sup.6, and R.sup.6 represents an alkyl or alkenyl group having from 12 to 18 carbon atoms.
- 4. A compound as claimed in claim 1, wherein R.sup.a, R.sup.b, R.sup.c and R.sup.d all represent hydrogen atoms, X represents --OR.sup.6, and R.sup.6 represents an alkyl or an alkenyl group having from 12 to 18 carbon atoms.
- 5. A compound as claimed in claim 1, wherein R.sup.a, R.sup.b, R.sup.c and R.sup.d all represent hydrogen atoms, R.sup.6 represents a myristyl group, a palmityl group or a stearyl group, and R.sup.1 represents a methyl group, an ethyl group or an n-hexyl group.
- 6. A compound as claimed in claim 1, which has the following structure: ##STR34##
- 7. A compound as claimed in claim 1, which has the following structure: ##STR35##
- 8. A compound as claimed in claim 1, which has the following structure: ##STR36##
- 9. A compound as claimed in claim 1, which has the following structure: ##STR37##
- 10. A compound as claimed in claim 1, which has the following structure: ##STR38##
Priority Claims (3)
Number |
Date |
Country |
Kind |
6-222731 |
Aug 1994 |
JPX |
|
7-78443 |
Mar 1995 |
JPX |
|
7-170457 |
Jun 1995 |
JPX |
|
Parent Case Info
This is a divisional of application Ser. No. 08/519,019 filed Aug. 24, 1995, now U.S. Pat. No. 5,667,959.
Foreign Referenced Citations (1)
Number |
Date |
Country |
A30384912 |
Aug 1990 |
EPX |
Non-Patent Literature Citations (1)
Entry |
Nucleophilic Cleavage of Phosphate Triesters in Dialkylammonium Bilayer Membranes, Bulletin of Chemical Society of Japan, vol. 54, No. 7, 1981, pp. 2072-2078. |
Divisions (1)
|
Number |
Date |
Country |
Parent |
519019 |
Aug 1995 |
|