ZA743341B - Process for 11a dehalogenation of 11a halo tetracyclines - Google Patents
Process for 11a dehalogenation of 11a halo tetracyclinesInfo
- Publication number
- ZA743341B ZA743341B ZA00743341A ZA743341A ZA743341B ZA 743341 B ZA743341 B ZA 743341B ZA 00743341 A ZA00743341 A ZA 00743341A ZA 743341 A ZA743341 A ZA 743341A ZA 743341 B ZA743341 B ZA 743341B
- Authority
- ZA
- South Africa
- Prior art keywords
- dehalogenation
- tetracyclines
- halo
- halo tetracyclines
- Prior art date
Links
- 239000004098 Tetracycline Substances 0.000 title 1
- 238000005695 dehalogenation reaction Methods 0.000 title 1
- -1 halo tetracyclines Chemical class 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 235000019364 tetracycline Nutrition 0.000 title 1
- 229940040944 tetracyclines Drugs 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C237/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
- C07C237/24—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a ring other than a six-membered aromatic ring of the carbon skeleton
- C07C237/26—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a ring other than a six-membered aromatic ring of the carbon skeleton of a ring being part of a condensed ring system formed by at least four rings, e.g. tetracycline
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
-
- 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
- C07C2603/40—Ortho- or ortho- and peri-condensed systems containing four condensed rings
- C07C2603/42—Ortho- or ortho- and peri-condensed systems containing four condensed rings containing only six-membered rings
- C07C2603/44—Naphthacenes; Hydrogenated naphthacenes
- C07C2603/46—1,4,4a,5,5a,6,11,12a- Octahydronaphthacenes, e.g. tetracyclines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US37230873A | 1973-06-21 | 1973-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA743341B true ZA743341B (en) | 1975-05-28 |
Family
ID=23467606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00743341A ZA743341B (en) | 1973-06-21 | 1974-05-24 | Process for 11a dehalogenation of 11a halo tetracyclines |
Country Status (30)
| Country | Link |
|---|---|
| US (1) | US4126639A (xx) |
| JP (1) | JPS5719095B2 (xx) |
| AT (1) | AT337358B (xx) |
| BE (1) | BE815776A (xx) |
| CA (1) | CA1110618A (xx) |
| CH (1) | CH585696A5 (xx) |
| CS (1) | CS175380B2 (xx) |
| DD (1) | DD113893A5 (xx) |
| DE (1) | DE2427420C2 (xx) |
| DK (1) | DK153756C (xx) |
| ES (1) | ES426893A1 (xx) |
| FI (1) | FI58631C (xx) |
| FR (1) | FR2234272B1 (xx) |
| GB (1) | GB1459861A (xx) |
| HK (1) | HK26879A (xx) |
| HU (1) | HU169605B (xx) |
| IE (1) | IE39758B1 (xx) |
| IL (1) | IL44875A (xx) |
| KE (1) | KE2929A (xx) |
| LU (1) | LU70248A1 (xx) |
| MY (1) | MY7900232A (xx) |
| NL (1) | NL179476C (xx) |
| NO (1) | NO146597C (xx) |
| PH (1) | PH10281A (xx) |
| PL (1) | PL89987B1 (xx) |
| RO (1) | RO67373A (xx) |
| SE (1) | SE416646B (xx) |
| SU (1) | SU512698A3 (xx) |
| YU (1) | YU39461B (xx) |
| ZA (1) | ZA743341B (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| YU41093B (en) * | 1978-04-12 | 1986-12-31 | Pliva Pharm & Chem Works | Process for preparing 6-deoxy-5hydroxy-tetracycline |
| DK386784A (da) * | 1983-08-17 | 1985-02-18 | Hovione Int Ltd | Fremgangsmaade til fremstilling af alfa-6-desoxy-tetracykliner |
| US4987242A (en) * | 1988-10-28 | 1991-01-22 | Jagmohan Khanna | Hydrogenation catalyst useful in the production of alpha-6-deoxytetracyclines |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2742510A (en) * | 1955-06-17 | 1956-04-17 | Kellogg M W Co | Process for dehalogenation of organic compounds |
| US3043875A (en) * | 1959-10-22 | 1962-07-10 | Pfizer & Co C | Halogenated tetracycline derivatives and processes for their preparation |
| FR1430859A (xx) * | 1960-05-23 | 1966-05-25 | ||
| US3250809A (en) * | 1962-09-06 | 1966-05-10 | Pfizer & Co C | 6-deoxy-6-demethyl-6-halomethylene tetracyclines and their 11a-chloro and fluoro derivatives |
| NL128202C (xx) * | 1964-01-21 | |||
| DE1245360B (de) * | 1965-11-17 | 1967-07-27 | Knapsack Ag | Verfahren zur Herstellung eines aus 1,2-Dichlorbuten-(2), 1, 3-Dichlorbuten-(2) und 2 ,3-Dichlorbuten-(1) bestehenden Gemisches |
| US3484483A (en) * | 1966-10-31 | 1969-12-16 | Pfizer & Co C | Process for producing alpha-6-deoxytetracyclines |
| US3649700A (en) * | 1966-12-20 | 1972-03-14 | Knapsack Ag | Process for the dehydrochlorination of chlorinated hydrocarbons |
| US3444198A (en) * | 1967-02-13 | 1969-05-13 | Pfizer & Co C | Process for producing alpha-6-deoxytetracyclines |
| CA942743A (en) * | 1970-07-03 | 1974-02-26 | Ivan Villax | Process for producing 6-methylenetetracyclines and 6-deoxytetracyclines |
| GB1349043A (en) * | 1971-04-05 | 1974-03-27 | Pliva Pharm & Chem Works | Process for the preparation of 6-demethyl-6-deoxy-6-methylene tetracyclines |
-
1974
- 1974-01-02 GB GB10674A patent/GB1459861A/en not_active Expired
- 1974-05-09 SE SE7406228A patent/SE416646B/xx not_active IP Right Cessation
- 1974-05-21 IL IL44875A patent/IL44875A/en unknown
- 1974-05-21 IE IE1075/74A patent/IE39758B1/xx unknown
- 1974-05-23 PH PH15857*A patent/PH10281A/en unknown
- 1974-05-24 ZA ZA00743341A patent/ZA743341B/xx unknown
- 1974-05-30 FR FR7418795A patent/FR2234272B1/fr not_active Expired
- 1974-05-31 BE BE1006001A patent/BE815776A/xx not_active IP Right Cessation
- 1974-05-31 NL NLAANVRAGE7407368,A patent/NL179476C/xx not_active IP Right Cessation
- 1974-05-31 YU YU1511/74A patent/YU39461B/xx unknown
- 1974-05-31 AT AT453674A patent/AT337358B/de not_active IP Right Cessation
- 1974-06-03 CS CS3933A patent/CS175380B2/cs unknown
- 1974-06-03 ES ES426893A patent/ES426893A1/es not_active Expired
- 1974-06-03 FI FI1687/74A patent/FI58631C/fi active
- 1974-06-04 SU SU2035053A patent/SU512698A3/ru active
- 1974-06-04 DK DK298074A patent/DK153756C/da not_active IP Right Cessation
- 1974-06-04 NO NO742004A patent/NO146597C/no unknown
- 1974-06-05 RO RO7479057A patent/RO67373A/ro unknown
- 1974-06-05 LU LU70248A patent/LU70248A1/xx unknown
- 1974-06-05 HU HUPI422A patent/HU169605B/hu unknown
- 1974-06-05 JP JP6382774A patent/JPS5719095B2/ja not_active Expired
- 1974-06-05 DE DE2427420A patent/DE2427420C2/de not_active Expired
- 1974-06-05 PL PL1974171659A patent/PL89987B1/xx unknown
- 1974-06-05 CH CH769174A patent/CH585696A5/xx not_active IP Right Cessation
- 1974-06-11 CA CA202,189A patent/CA1110618A/en not_active Expired
- 1974-06-19 DD DD179277A patent/DD113893A5/xx unknown
-
1976
- 1976-11-19 US US05/743,395 patent/US4126639A/en not_active Expired - Lifetime
-
1979
- 1979-03-13 KE KE2929A patent/KE2929A/xx unknown
- 1979-04-26 HK HK268/79A patent/HK26879A/xx unknown
- 1979-12-30 MY MY232/79A patent/MY7900232A/xx unknown
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