Claims
- 1. A pyrimidine derivative having the following formula (VI) and its salts: wherein, R3 and R4 are each independently selected from the group consisting of a hydrogen atom, halogen atom, C1 to C4 alkyl group, hydroxy group, and C1 to C4 alkoxy group, and a dotted line is an optional double bond.
- 2. The pyrimidine derivative according to claim 1, wherein R3 is a hydrogen atom.
- 3. The pyrimidine derivative according to claim 1, wherein R4 is a hydrogen atom.
- 4. The pyrimidine derivative according to claim 1, wherein R3 and R4 are both hydrogen atoms.
- 5. The pyrimidine derivative according to claim 1, wherein the optional double bonds are present.
- 6. The pyrimidine derivative according to claim 1, wherein the optional double bonds are not present.
- 7. The pyrimidine derivative according to claim 1 wherein R3 is a C1 to C4 alkyl group.
- 8. The pyrimidine derivative according to claim 1, wherein R3is a methyl group.
- 9. The pyrimidine derivative according to claim 1, wherein R3 is a C1 to C4 alkoxy group.
- 10. The pyrimidine derivative according to claim 1, wherein R4 is a C1 to C4 alkoxy group.
- 11. The pyrimidine derivative according to claim 9, wherein R3 is a methoxy group.
- 12. The pyrimidine derivative according to claim 10, wherein R4 is a methoxy group.
- 13. The pyrimidine derivative according to claim 1, wherein R4 is a halogen.
- 14. The pyrimidine derivative according to claim 13, wherein R4 is a fluoro group.
- 15. The pyrimidine derivative according to claim 1 and its salts, of formula (VIIa):
- 16. The pyrimidine derivative according to claim 1 and its salts, of formula (VIIb):
- 17. The pyrimidine derivative according to claim 1 and its salts, of formula (VIIc):
- 18. The pyrimidine derivative according to claim 1 and its salts, of formula (VIId):
- 19. The pyrimidine derivative according to claim 1 and its salts, of formula (VIIe):
- 20. The pyrimidine derivative according to claim 1 and its salts, of formula (VIIf):
Priority Claims (2)
Number |
Date |
Country |
Kind |
7-58307 |
Feb 1995 |
JP |
|
7-41836 |
Mar 1995 |
JP |
|
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a divisional of application Ser. No. 09/306,995, filed May 7, 1999 now U.S. Pat. No. 6,187,769, which is a continuation of application Ser. No. 08/727,391, filed Oct. 10, 1996 now abandoned, which was a national stage filing of PCT International Application No. PCT/JP96/00294, filed Feb. 9, 1996. The International Application was published by the International Bureau in Japanese as Publication No. WO 96/24594 on Aug. 15, 1996.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
5196428 |
Meanwell |
Mar 1993 |
A |
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HU |
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Entry |
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Continuations (1)
|
Number |
Date |
Country |
Parent |
08/727391 |
|
US |
Child |
09/306995 |
|
US |