JPS5041900A - - Google Patents
Info
- Publication number
- JPS5041900A JPS5041900A JP49089950A JP8995074A JPS5041900A JP S5041900 A JPS5041900 A JP S5041900A JP 49089950 A JP49089950 A JP 49089950A JP 8995074 A JP8995074 A JP 8995074A JP S5041900 A JPS5041900 A JP S5041900A
- Authority
- JP
- Japan
- 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.)
- Granted
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Saccharide Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
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 (2)
| Publication Number | Publication Date |
|---|---|
| JPS5041900A true JPS5041900A (en) | 1975-04-16 |
| JPS5727119B2 JPS5727119B2 (en) | 1982-06-08 |
Family
ID=26217885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8995074A Expired JPS5727119B2 (en) | 1973-08-08 | 1974-08-07 |
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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7220855B2 (en) | 2001-06-05 | 2007-05-22 | Eisai 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 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3481839B1 (en) | 2016-07-08 | 2023-06-07 | HealthTech Bio Actives, S.L.U. | Process for the purification of methylcobalamin |
| CN114874276B (en) * | 2022-04-21 | 2024-06-21 | 南京工业大学 | Improved method for synthesizing mecobalamin |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2255203A1 (en) * | 1971-11-10 | 1973-05-17 | Opochimie L | METHYLCOBALAMIN PRODUCTION METHOD |
-
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
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2255203A1 (en) * | 1971-11-10 | 1973-05-17 | Opochimie L | METHYLCOBALAMIN PRODUCTION METHOD |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7220855B2 (en) | 2001-06-05 | 2007-05-22 | Eisai 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5727119B2 (en) | 1982-06-08 |
| AU7188674A (en) | 1976-02-05 |
| NL7410061A (en) | 1975-02-11 |
| DK386274A (en) | 1975-04-01 |
| IL45384A (en) | 1976-09-30 |
| CA1019726A (en) | 1977-10-25 |
| LU70582A1 (en) | 1976-05-31 |
| DE2434967A1 (en) | 1975-02-20 |
| AR199756A1 (en) | 1974-09-23 |
| IE41823B1 (en) | 1980-04-09 |
| CH583744A5 (en) | 1977-01-14 |
| SE7410005L (en) | 1975-02-10 |
| ES428798A1 (en) | 1976-09-16 |
| DK136775B (en) | 1977-11-21 |
| IL45384A0 (en) | 1974-11-29 |
| IE41823L (en) | 1975-02-08 |
| IN139935B (en) | 1976-08-21 |
| DK136775C (en) | 1978-05-08 |
| NO742545L (en) | 1975-03-10 |
| GB1419933A (en) | 1975-12-31 |
| SE412589B (en) | 1980-03-10 |
| OA04753A (en) | 1980-08-31 |