IT1207343B - 11a cloro derivato procedimento per la preparazione della 6 demetil 6 deossi 6 metilen5 ossitetraciclina e del relativo - Google Patents
11a cloro derivato procedimento per la preparazione della 6 demetil 6 deossi 6 metilen5 ossitetraciclina e del relativoInfo
- Publication number
- IT1207343B IT1207343B IT8467863A IT6786384A IT1207343B IT 1207343 B IT1207343 B IT 1207343B IT 8467863 A IT8467863 A IT 8467863A IT 6786384 A IT6786384 A IT 6786384A IT 1207343 B IT1207343 B IT 1207343B
- Authority
- IT
- Italy
- Prior art keywords
- demetyl
- oxytetracycline
- deoxy
- methyl
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C233/12—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by halogen atoms or by nitro or nitroso groups
- C07C233/14—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by halogen atoms or by nitro or nitroso groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by a carbon atom of a ring other than a six-membered aromatic ring
-
- 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
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/63—Esters of sulfonic acids
- C07C309/72—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C309/73—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU833061A HU188367B (en) | 1983-09-02 | 1983-09-02 | Process for preparing 6-demethy-6-deoxy-6-methylene-5-exytetracycline and 11a-chloro-derivative thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8467863A0 IT8467863A0 (it) | 1984-08-30 |
| IT1207343B true IT1207343B (it) | 1989-05-17 |
Family
ID=10962342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT8467863A IT1207343B (it) | 1983-09-02 | 1984-08-30 | 11a cloro derivato procedimento per la preparazione della 6 demetil 6 deossi 6 metilen5 ossitetraciclina e del relativo |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4659515A (it) |
| JP (1) | JPS6094950A (it) |
| KR (1) | KR910004668B1 (it) |
| BG (1) | BG44707A3 (it) |
| DD (1) | DD219186A5 (it) |
| DE (1) | DE3431009A1 (it) |
| FR (1) | FR2551435B1 (it) |
| GB (1) | GB2145722B (it) |
| HU (1) | HU188367B (it) |
| IT (1) | IT1207343B (it) |
| PL (1) | PL143307B1 (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5686634A (en) * | 1994-07-01 | 1997-11-11 | Pfizer, Inc. | Process for producing 5-hydroxy-6-demethyl-6-desoxy-6-methylene-11A-chlorotetracycline |
| CN104163773B (zh) * | 2013-08-30 | 2016-04-27 | 郑州后羿制药有限公司 | 一种四环素的精制方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB887671A (en) * | 1958-03-05 | 1962-01-24 | American Cyanamid Co | Preparation of members of the tetracycline series |
| US2984686A (en) * | 1960-12-19 | 1961-05-16 | Pfizer & Co C | 6-deoxy-6-demethyl-6-methylene-5-oxytetracyclines |
| FR1430859A (it) * | 1960-05-23 | 1966-05-25 | ||
| US3842123A (en) * | 1969-08-08 | 1974-10-15 | L Bernardi | Methylenetetracycline formate ester |
| BE755678R (fr) * | 1969-09-04 | 1971-03-03 | Farmaceutici Italia | Esters de la methylenetetracycline et procede de leur fabrication |
| CA942743A (en) * | 1970-07-03 | 1974-02-26 | Ivan Villax | Process for producing 6-methylenetetracyclines and 6-deoxytetracyclines |
| FR2136137A5 (en) * | 1971-04-05 | 1972-12-22 | Pliva Pharm & Chem Works | Tetracycline derivs prepn - by bromination followed by dehydration |
| GB1333900A (en) * | 1971-07-08 | 1973-10-17 | Farmaceutici Italia | 6-deimethyl-6-deoxytetracycline |
| ATA571275A (de) * | 1974-08-09 | 1976-06-15 | Pliva Pharm & Chem Works | Verfahren zur herstellung von 11a-chlor-6-methylen-5-hydroxy-tetracyclin-p-toluolsulfonat |
-
1983
- 1983-09-02 HU HU833061A patent/HU188367B/hu not_active IP Right Cessation
-
1984
- 1984-08-23 DE DE19843431009 patent/DE3431009A1/de active Granted
- 1984-08-30 IT IT8467863A patent/IT1207343B/it active
- 1984-08-31 US US06/646,574 patent/US4659515A/en not_active Expired - Fee Related
- 1984-08-31 FR FR8413504A patent/FR2551435B1/fr not_active Expired
- 1984-08-31 BG BG8466763A patent/BG44707A3/xx unknown
- 1984-08-31 PL PL1984249429A patent/PL143307B1/pl unknown
- 1984-08-31 KR KR1019840005370A patent/KR910004668B1/ko not_active IP Right Cessation
- 1984-08-31 JP JP59180882A patent/JPS6094950A/ja active Granted
- 1984-08-31 GB GB08422041A patent/GB2145722B/en not_active Expired
- 1984-08-31 DD DD84266854A patent/DD219186A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB2145722B (en) | 1987-07-08 |
| FR2551435A1 (fr) | 1985-03-08 |
| FR2551435B1 (fr) | 1989-01-20 |
| KR850002457A (ko) | 1985-05-13 |
| PL249429A1 (en) | 1985-05-07 |
| JPH0344066B2 (it) | 1991-07-04 |
| GB8422041D0 (en) | 1984-10-03 |
| GB2145722A (en) | 1985-04-03 |
| DD219186A5 (de) | 1985-02-27 |
| HUT35632A (en) | 1985-07-29 |
| IT8467863A0 (it) | 1984-08-30 |
| US4659515A (en) | 1987-04-21 |
| KR910004668B1 (ko) | 1991-07-09 |
| DE3431009A1 (de) | 1985-03-21 |
| PL143307B1 (en) | 1988-02-29 |
| BG44707A3 (it) | 1989-01-16 |
| DE3431009C2 (it) | 1990-07-26 |
| HU188367B (en) | 1986-04-28 |
| JPS6094950A (ja) | 1985-05-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950823 |