CA931567A - Process for the preparation of 4,8-dihydroxy-2,6-dimercaptopyrimido (5,4-d) pyrimidine - Google Patents
Process for the preparation of 4,8-dihydroxy-2,6-dimercaptopyrimido (5,4-d) pyrimidineInfo
- Publication number
- CA931567A CA931567A CA120471A CA120471A CA931567A CA 931567 A CA931567 A CA 931567A CA 120471 A CA120471 A CA 120471A CA 120471 A CA120471 A CA 120471A CA 931567 A CA931567 A CA 931567A
- Authority
- CA
- Canada
- Prior art keywords
- dimercaptopyrimido
- dihydroxy
- pyrimidine
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/56—One oxygen atom and one sulfur atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11350270A JPS5040B1 (en) | 1970-12-17 | 1970-12-17 | |
| JP675571A JPS5116428B1 (en) | 1971-02-17 | 1971-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA931567A true CA931567A (en) | 1973-08-07 |
Family
ID=26340957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA120471A Expired CA931567A (en) | 1970-12-17 | 1971-08-11 | Process for the preparation of 4,8-dihydroxy-2,6-dimercaptopyrimido (5,4-d) pyrimidine |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA931567A (en) |
| DE (1) | DE2146440A1 (en) |
| DK (1) | DK134067B (en) |
| NO (1) | NO133234C (en) |
| SE (1) | SE384681B (en) |
-
1971
- 1971-08-11 CA CA120471A patent/CA931567A/en not_active Expired
- 1971-09-16 DE DE19712146440 patent/DE2146440A1/en active Pending
- 1971-11-01 SE SE1386171A patent/SE384681B/en unknown
- 1971-11-24 DK DK574571A patent/DK134067B/en unknown
- 1971-12-15 NO NO462371A patent/NO133234C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO133234B (en) | 1975-12-22 |
| DK134067B (en) | 1976-09-06 |
| DE2146440A1 (en) | 1972-07-06 |
| NO133234C (en) | 1976-03-31 |
| DK134067C (en) | 1977-02-07 |
| SE384681B (en) | 1976-05-17 |
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