ZA832585B - Process for the preparation of -methyldigoxin - Google Patents
Process for the preparation of -methyldigoxinInfo
- Publication number
- ZA832585B ZA832585B ZA832585A ZA832585A ZA832585B ZA 832585 B ZA832585 B ZA 832585B ZA 832585 A ZA832585 A ZA 832585A ZA 832585 A ZA832585 A ZA 832585A ZA 832585 B ZA832585 B ZA 832585B
- Authority
- ZA
- South Africa
- Prior art keywords
- digoxin
- moles
- degrees
- methyldigoxin
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J19/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 by a lactone ring
- C07J19/005—Glycosides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Steroid Compounds (AREA)
- Catalysts (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Saccharide Compounds (AREA)
- Peptides Or Proteins (AREA)
Abstract
1. A process for the preparation of beta-methyldigoxin by the selective monomethylation of digoxin with dimethyl sulphate in a dimethylformamide/toluene mixture as the solvent, in the presence of a basic strontium compound and, if appropriate, of an inert inorganic adsorbent, and purification of the methylation product by column chromatography on SiO2 with a mixture of chlorohydrocarbon and a lower aliphatic alcohol, characterised in that, per mole of digoxin, 1 to 3 moles of strontium hydroxide octahydrate are used as the basic strontium compound, and 1 to 3 moles of an oxide, silicate or phosphate of an element of the 2nd, 3rd, 4th or 5th main group or subgroup of Mendeleev's periodic table, with a water content of up to 20% by weight, are used as the inert organic adsorbent which may be present, and the reaction is carried out at temperatures of - 15 degrees C to 15 degrees C.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823216236 DE3216236A1 (en) | 1982-04-30 | 1982-04-30 | METHOD FOR PRODUCING SS METHYLDIGOXIN |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA832585B true ZA832585B (en) | 1983-12-28 |
Family
ID=6162414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA832585A ZA832585B (en) | 1982-04-30 | 1983-04-13 | Process for the preparation of -methyldigoxin |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP0093266B1 (en) |
| JP (1) | JPS58194899A (en) |
| AT (1) | ATE16013T1 (en) |
| DE (2) | DE3216236A1 (en) |
| DK (1) | DK190083A (en) |
| ES (1) | ES8402598A1 (en) |
| FI (1) | FI831252L (en) |
| HU (1) | HU193163B (en) |
| IL (1) | IL68459A (en) |
| NO (1) | NO831504L (en) |
| YU (1) | YU94783A (en) |
| ZA (1) | ZA832585B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59169645U (en) * | 1983-04-21 | 1984-11-13 | ローランド ディー．ジー．株式会社 | X-Y printer's pen stocker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1643665B1 (en) * | 1967-09-20 | 1971-02-18 | Boehringer Mannheim Gmbh | Novel digoxin ethers and processes for making the same |
| DE2233147A1 (en) * | 1972-07-06 | 1974-01-24 | Boehringer Mannheim Gmbh | DIHYDRODIGOXIN DERIVATIVES |
| DE2550354A1 (en) * | 1975-11-10 | 1977-05-12 | Boehringer Mannheim Gmbh | NEW DIGOXIN DERIVATIVES AND THE PROCESS FOR THEIR PRODUCTION |
| YU39367B (en) * | 1976-08-20 | 1984-10-31 | Lek Tovarna Farmacevtskih | Process for preparing beta-methyl-digoxine |
-
1982
- 1982-04-30 DE DE19823216236 patent/DE3216236A1/en not_active Withdrawn
-
1983
- 1983-03-29 DE DE8383103108T patent/DE3360961D1/en not_active Expired
- 1983-03-29 EP EP83103108A patent/EP0093266B1/en not_active Expired
- 1983-03-29 AT AT83103108T patent/ATE16013T1/en not_active IP Right Cessation
- 1983-04-13 ZA ZA832585A patent/ZA832585B/en unknown
- 1983-04-14 FI FI831252A patent/FI831252L/en not_active Application Discontinuation
- 1983-04-21 IL IL68459A patent/IL68459A/en unknown
- 1983-04-26 YU YU00947/83A patent/YU94783A/en unknown
- 1983-04-27 JP JP58073119A patent/JPS58194899A/en active Pending
- 1983-04-28 DK DK190083A patent/DK190083A/en not_active Application Discontinuation
- 1983-04-28 NO NO831504A patent/NO831504L/en unknown
- 1983-04-29 HU HU831480A patent/HU193163B/en unknown
- 1983-04-29 ES ES521972A patent/ES8402598A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK190083D0 (en) | 1983-04-28 |
| EP0093266B1 (en) | 1985-10-09 |
| FI831252L (en) | 1983-10-31 |
| DK190083A (en) | 1983-10-31 |
| HU193163B (en) | 1987-08-28 |
| IL68459A0 (en) | 1983-07-31 |
| DE3216236A1 (en) | 1983-11-03 |
| IL68459A (en) | 1987-09-16 |
| NO831504L (en) | 1983-10-31 |
| ES521972A0 (en) | 1984-02-01 |
| DE3360961D1 (en) | 1985-11-14 |
| EP0093266A1 (en) | 1983-11-09 |
| YU94783A (en) | 1986-02-28 |
| ATE16013T1 (en) | 1985-10-15 |
| JPS58194899A (en) | 1983-11-12 |
| FI831252A0 (en) | 1983-04-14 |
| ES8402598A1 (en) | 1984-02-01 |
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