BE679805A - - Google Patents
Info
- Publication number
- BE679805A BE679805A BE679805DA BE679805A BE 679805 A BE679805 A BE 679805A BE 679805D A BE679805D A BE 679805DA BE 679805 A BE679805 A BE 679805A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
- C07D307/32—Oxygen atoms
- C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
- C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
- C07C2603/26—Phenanthrenes; Hydrogenated phenanthrenes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH570365A CH468997A (de) | 1965-04-23 | 1965-04-23 | Verfahren zur Aufspaltung eines racemischen Gemisches in die optischen Antipoden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE679805A true BE679805A (xx) | 1966-10-21 |
Family
ID=4297967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE679805D BE679805A (xx) | 1965-04-23 | 1966-04-21 |
Country Status (9)
| Country | Link |
|---|---|
| BE (1) | BE679805A (xx) |
| BR (1) | BR6678826D0 (xx) |
| CH (1) | CH468997A (xx) |
| DE (1) | DE1568755A1 (xx) |
| DK (1) | DK116726B (xx) |
| ES (1) | ES325859A1 (xx) |
| GB (1) | GB1083076A (xx) |
| NL (1) | NL153540B (xx) |
| YU (1) | YU77366A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2809179A1 (de) * | 1978-03-03 | 1979-09-13 | Basf Ag | Verfahren zur extraktion von pantolacton aus seinen waessrigen loesungen |
| US4225506A (en) * | 1978-05-30 | 1980-09-30 | Hoffmann-La Roche Inc. | Process for manufacturing a diketone |
| CN111499602B (zh) * | 2020-05-14 | 2022-06-07 | 安徽泰格生物科技有限公司 | 一种钙盐法提取dl-泛解酸内酯拆分液中d-泛解酸内酯的方法 |
| CN112457181B (zh) * | 2020-12-11 | 2023-08-29 | 黄冈美丰化工科技有限公司 | 一种d-泛酸钙的合成方法 |
-
1965
- 1965-04-23 CH CH570365A patent/CH468997A/de unknown
-
1966
- 1966-03-26 DE DE19661568755 patent/DE1568755A1/de not_active Withdrawn
- 1966-04-19 BR BR178826/66A patent/BR6678826D0/pt unknown
- 1966-04-21 BE BE679805D patent/BE679805A/xx unknown
- 1966-04-22 DK DK207866AA patent/DK116726B/da unknown
- 1966-04-22 ES ES0325859A patent/ES325859A1/es not_active Expired
- 1966-04-22 NL NL666605421A patent/NL153540B/xx unknown
- 1966-04-23 YU YU00773/66A patent/YU77366A/xx unknown
- 1966-12-22 GB GB17634/66A patent/GB1083076A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1568755A1 (de) | 1970-03-05 |
| CH468997A (de) | 1969-02-28 |
| ES325859A1 (es) | 1967-07-01 |
| BR6678826D0 (pt) | 1973-09-18 |
| YU77366A (en) | 1978-02-28 |
| GB1083076A (en) | 1967-09-13 |
| NL6605421A (xx) | 1966-10-24 |
| DK116726B (da) | 1970-02-09 |
| NL153540B (nl) | 1977-06-15 |