BE659315A - - Google Patents
Info
- Publication number
- BE659315A BE659315A BE659315DA BE659315A BE 659315 A BE659315 A BE 659315A BE 659315D A BE659315D A BE 659315DA BE 659315 A BE659315 A BE 659315A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two 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, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D233/72—Two oxygen atoms, e.g. hydantoin
- C07D233/76—Two oxygen atoms, e.g. hydantoin with substituted hydrocarbon radicals attached to the third ring carbon atom
- C07D233/78—Radicals substituted by oxygen atoms
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF41917A DE1216879B (en) | 1964-02-05 | 1964-02-05 | Process for the preparation of optically active hydantoin derivatives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE659315A true BE659315A (en) | 1965-08-05 |
Family
ID=7098862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE659315D BE659315A (en) | 1964-02-05 | 1965-02-05 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT250986B (en) |
| BE (1) | BE659315A (en) |
| CH (1) | CH439305A (en) |
| DE (1) | DE1216879B (en) |
| FR (1) | FR1425595A (en) |
| GB (1) | GB1039969A (en) |
| NL (1) | NL6501504A (en) |
-
1964
- 1964-02-05 DE DEF41917A patent/DE1216879B/en active Pending
-
1965
- 1965-02-03 CH CH146465A patent/CH439305A/en unknown
- 1965-02-04 AT AT98265A patent/AT250986B/en active
- 1965-02-05 FR FR4611A patent/FR1425595A/en not_active Expired
- 1965-02-05 GB GB516665A patent/GB1039969A/en not_active Expired
- 1965-02-05 NL NL6501504A patent/NL6501504A/xx unknown
- 1965-02-05 BE BE659315D patent/BE659315A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6501504A (en) | 1965-08-06 |
| FR1425595A (en) | 1966-01-24 |
| DE1216879B (en) | 1966-05-18 |
| AT250986B (en) | 1966-12-12 |
| CH439305A (en) | 1967-07-15 |
| GB1039969A (en) | 1966-08-24 |