JPS562996A - Isolation of 1,2-o-isopropylidene-beta-l-idurono-6,3-lactone - Google Patents

Isolation of 1,2-o-isopropylidene-beta-l-idurono-6,3-lactone

Info

Publication number
JPS562996A
JPS562996A JP7805479A JP7805479A JPS562996A JP S562996 A JPS562996 A JP S562996A JP 7805479 A JP7805479 A JP 7805479A JP 7805479 A JP7805479 A JP 7805479A JP S562996 A JPS562996 A JP S562996A
Authority
JP
Japan
Prior art keywords
lactone
isopropylidene
ring
solution
acid
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.)
Granted
Application number
JP7805479A
Other languages
Japanese (ja)
Other versions
JPS6312877B2 (en
Inventor
Toshio Kinoshita
Kiyoshi Kanouda
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.)
HORIUCHI ITAROU SHIYOUTEN KK
HORIUCHI ITAROU SHOTEN KK
Original Assignee
HORIUCHI ITAROU SHIYOUTEN KK
HORIUCHI ITAROU SHOTEN KK
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 HORIUCHI ITAROU SHIYOUTEN KK, HORIUCHI ITAROU SHOTEN KK filed Critical HORIUCHI ITAROU SHIYOUTEN KK
Priority to JP7805479A priority Critical patent/JPS562996A/en
Publication of JPS562996A publication Critical patent/JPS562996A/en
Publication of JPS6312877B2 publication Critical patent/JPS6312877B2/ja
Granted legal-status Critical Current

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  • Saccharide Compounds (AREA)

Abstract

PURPOSE: To isolate the titled compound useful as a biochemical reagent, etc., ecnomically in an industrial scale, from an aqueous solution of specific lactone mixture, by maintaining the pH of the solution within a range to open the lactone ring of the titled compound exclusively, separating the formed acid from the other lactones, and then closing the ring to regenerate the objective lactone.
CONSTITUTION: An aqueous solution of a mixture of (A) 1,2-O-isopropylidene- β-L-idurono-6,3-lactone and (B) 1,2-O-isopropylidene-α-D-glucurono-6,3-lactone is added with a base such as sodium hydroxide while maintaining the pH of the solution within the range under which only the lactone ring of the component A opens, i.e. at pH6W7. The products are subjected to the thin layer chromatography, etc. to separate the produced induronic acid from the component B. The separated iduronic acid is dissolved in water, passed through a column filled with a cation exchange resin, and the effluent is concentrated under reduced pressure to obtain the objective compound.
COPYRIGHT: (C)1981,JPO&Japio
JP7805479A 1979-06-22 1979-06-22 Isolation of 1,2-o-isopropylidene-beta-l-idurono-6,3-lactone Granted JPS562996A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7805479A JPS562996A (en) 1979-06-22 1979-06-22 Isolation of 1,2-o-isopropylidene-beta-l-idurono-6,3-lactone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7805479A JPS562996A (en) 1979-06-22 1979-06-22 Isolation of 1,2-o-isopropylidene-beta-l-idurono-6,3-lactone

Publications (2)

Publication Number Publication Date
JPS562996A true JPS562996A (en) 1981-01-13
JPS6312877B2 JPS6312877B2 (en) 1988-03-23

Family

ID=13651130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7805479A Granted JPS562996A (en) 1979-06-22 1979-06-22 Isolation of 1,2-o-isopropylidene-beta-l-idurono-6,3-lactone

Country Status (1)

Country Link
JP (1) JPS562996A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58156287A (en) * 1982-03-12 1983-09-17 Pioneer Electronic Corp Video reproducer
JPS5961389A (en) * 1982-09-30 1984-04-07 Sony Corp Chromaticity adjusting circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58156287A (en) * 1982-03-12 1983-09-17 Pioneer Electronic Corp Video reproducer
JPS5961389A (en) * 1982-09-30 1984-04-07 Sony Corp Chromaticity adjusting circuit

Also Published As

Publication number Publication date
JPS6312877B2 (en) 1988-03-23

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