JPH0572919B2 - - Google Patents

Info

Publication number
JPH0572919B2
JPH0572919B2 JP19601985A JP19601985A JPH0572919B2 JP H0572919 B2 JPH0572919 B2 JP H0572919B2 JP 19601985 A JP19601985 A JP 19601985A JP 19601985 A JP19601985 A JP 19601985A JP H0572919 B2 JPH0572919 B2 JP H0572919B2
Authority
JP
Japan
Prior art keywords
methylcobalamin
lower aliphatic
acetone
water
highly purified
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 - Fee Related
Application number
JP19601985A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6256490A (ja
Inventor
Yoshito Kodama
Yasuo Kubo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eisai Co Ltd
Original Assignee
Eisai Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eisai Co Ltd filed Critical Eisai Co Ltd
Priority to JP19601985A priority Critical patent/JPS6256490A/ja
Publication of JPS6256490A publication Critical patent/JPS6256490A/ja
Publication of JPH0572919B2 publication Critical patent/JPH0572919B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Saccharide Compounds (AREA)
JP19601985A 1985-09-06 1985-09-06 高純度メチルコバラミンの製造方法 Granted JPS6256490A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19601985A JPS6256490A (ja) 1985-09-06 1985-09-06 高純度メチルコバラミンの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19601985A JPS6256490A (ja) 1985-09-06 1985-09-06 高純度メチルコバラミンの製造方法

Publications (2)

Publication Number Publication Date
JPS6256490A JPS6256490A (ja) 1987-03-12
JPH0572919B2 true JPH0572919B2 (de) 1993-10-13

Family

ID=16350868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19601985A Granted JPS6256490A (ja) 1985-09-06 1985-09-06 高純度メチルコバラミンの製造方法

Country Status (1)

Country Link
JP (1) JPS6256490A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012165934A1 (es) * 2011-05-30 2012-12-06 Interquim, S.A. De C.V. Proceso de síntesis de metilcobalamina

Also Published As

Publication number Publication date
JPS6256490A (ja) 1987-03-12

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees