CA1019726A - Process for the preparation of methylcobalamine from cyanocobalamine - Google Patents
Process for the preparation of methylcobalamine from cyanocobalamineInfo
- Publication number
- CA1019726A CA1019726A CA205,451A CA205451A CA1019726A CA 1019726 A CA1019726 A CA 1019726A CA 205451 A CA205451 A CA 205451A CA 1019726 A CA1019726 A CA 1019726A
- Authority
- CA
- Canada
- Prior art keywords
- methylcobalamine
- cyanocobalamine
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H23/00—Compounds containing boron, silicon, or a metal, e.g. chelates, vitamin B12
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7328998A FR2240232A1 (en) | 1973-08-08 | 1973-08-08 | Methylcobalamine prepn from cyanocobalamine - by reduction and methylation using methyl acid oxalate and a metal |
| FR7346829A FR2256174A2 (en) | 1973-12-28 | 1973-12-28 | Methylcobalamine prepn from cyanocobalamine - by reduction and methylation using methyl acid oxalate and a metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1019726A true CA1019726A (en) | 1977-10-25 |
Family
ID=26217885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA205,451A Expired CA1019726A (en) | 1973-08-08 | 1974-07-23 | Process for the preparation of methylcobalamine from cyanocobalamine |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS5727119B2 (en) |
| AR (1) | AR199756A1 (en) |
| CA (1) | CA1019726A (en) |
| CH (1) | CH583744A5 (en) |
| DE (1) | DE2434967A1 (en) |
| DK (1) | DK136775B (en) |
| ES (1) | ES428798A1 (en) |
| GB (1) | GB1419933A (en) |
| IE (1) | IE41823B1 (en) |
| IL (1) | IL45384A (en) |
| IN (1) | IN139935B (en) |
| LU (1) | LU70582A1 (en) |
| NL (1) | NL7410061A (en) |
| NO (1) | NO742545L (en) |
| OA (1) | OA04753A (en) |
| SE (1) | SE412589B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1394174B1 (en) | 2001-06-05 | 2015-11-11 | Eisai R&D Management Co., Ltd. | Process for producing methylcobalamin |
| CN102391340A (en) * | 2011-10-31 | 2012-03-28 | 河北玉星生物工程有限公司 | Preparation method of mecobalamin |
| WO2018007035A1 (en) * | 2016-07-08 | 2018-01-11 | Interquim, S.A. | Process for the purification of methylcobalamin |
| CN114874276A (en) * | 2022-04-21 | 2022-08-09 | 南京工业大学 | Improved method for synthesizing mecobalamin |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE789252A (en) * | 1971-11-10 | 1973-03-26 | Boige Jean | METHOD FOR MANUFACTURING METHYLCOBALAMINE |
-
1974
- 1974-07-12 NO NO742545A patent/NO742545L/no unknown
- 1974-07-17 DK DK386274AA patent/DK136775B/en unknown
- 1974-07-19 DE DE2434967A patent/DE2434967A1/en active Pending
- 1974-07-22 LU LU70582A patent/LU70582A1/xx unknown
- 1974-07-23 CA CA205,451A patent/CA1019726A/en not_active Expired
- 1974-07-24 IN IN1642/CAL/74A patent/IN139935B/en unknown
- 1974-07-25 NL NL7410061A patent/NL7410061A/en unknown
- 1974-07-26 OA OA55258A patent/OA04753A/en unknown
- 1974-07-26 AR AR254903A patent/AR199756A1/en active
- 1974-07-29 CH CH1040374A patent/CH583744A5/xx not_active IP Right Cessation
- 1974-07-31 ES ES428798A patent/ES428798A1/en not_active Expired
- 1974-08-01 GB GB3400874A patent/GB1419933A/en not_active Expired
- 1974-08-02 IL IL45384A patent/IL45384A/en unknown
- 1974-08-02 SE SE7410005A patent/SE412589B/en unknown
- 1974-08-06 IE IE1654/74A patent/IE41823B1/en unknown
- 1974-08-07 JP JP8995074A patent/JPS5727119B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE412589B (en) | 1980-03-10 |
| JPS5727119B2 (en) | 1982-06-08 |
| DE2434967A1 (en) | 1975-02-20 |
| NL7410061A (en) | 1975-02-11 |
| DK136775B (en) | 1977-11-21 |
| OA04753A (en) | 1980-08-31 |
| IE41823B1 (en) | 1980-04-09 |
| ES428798A1 (en) | 1976-09-16 |
| CH583744A5 (en) | 1977-01-14 |
| AR199756A1 (en) | 1974-09-23 |
| IL45384A0 (en) | 1974-11-29 |
| IN139935B (en) | 1976-08-21 |
| IE41823L (en) | 1975-02-08 |
| DK386274A (en) | 1975-04-01 |
| DK136775C (en) | 1978-05-08 |
| IL45384A (en) | 1976-09-30 |
| NO742545L (en) | 1975-03-10 |
| JPS5041900A (en) | 1975-04-16 |
| LU70582A1 (en) | 1976-05-31 |
| AU7188674A (en) | 1976-02-05 |
| SE7410005L (en) | 1975-02-10 |
| GB1419933A (en) | 1975-12-31 |
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