JP2704201B2 - 2―ケト―l―グロン酸の精製法 - Google Patents

2―ケト―l―グロン酸の精製法

Info

Publication number
JP2704201B2
JP2704201B2 JP1109788A JP10978889A JP2704201B2 JP 2704201 B2 JP2704201 B2 JP 2704201B2 JP 1109788 A JP1109788 A JP 1109788A JP 10978889 A JP10978889 A JP 10978889A JP 2704201 B2 JP2704201 B2 JP 2704201B2
Authority
JP
Japan
Prior art keywords
2kga
keto
crystal
gulonic acid
raw material
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
JP1109788A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0228132A (ja
Inventor
昌彦 津田
公男 岩井
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.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Pharmaceutical 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 Takeda Pharmaceutical Co Ltd filed Critical Takeda Pharmaceutical Co Ltd
Publication of JPH0228132A publication Critical patent/JPH0228132A/ja
Application granted granted Critical
Publication of JP2704201B2 publication Critical patent/JP2704201B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
JP1109788A 1988-04-29 1989-04-28 2―ケト―l―グロン酸の精製法 Expired - Fee Related JP2704201B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-106731 1988-04-29
JP10673188 1988-04-29

Publications (2)

Publication Number Publication Date
JPH0228132A JPH0228132A (ja) 1990-01-30
JP2704201B2 true JP2704201B2 (ja) 1998-01-26

Family

ID=14441080

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1109788A Expired - Fee Related JP2704201B2 (ja) 1988-04-29 1989-04-28 2―ケト―l―グロン酸の精製法

Country Status (4)

Country Link
JP (1) JP2704201B2 (da)
DE (1) DE3914067B4 (da)
DK (1) DK174267B1 (da)
GB (1) GB2217714B (da)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK171869B1 (da) * 1985-10-22 1997-07-21 Takeda Chemical Industries Ltd Fremgangsmåde til fremstilling af 2-keto-L-gulonsyre samt biologisk ren mikroorganismekultur til anvendelse ved fremgangsmåden

Also Published As

Publication number Publication date
DK191689D0 (da) 1989-04-20
GB2217714B (en) 1991-12-11
DE3914067B4 (de) 2004-06-09
GB2217714A (en) 1989-11-01
DK174267B1 (da) 2002-10-28
JPH0228132A (ja) 1990-01-30
DK191689A (da) 1989-10-30
GB8909882D0 (en) 1989-06-14
DE3914067A1 (de) 1989-11-16

Similar Documents

Publication Publication Date Title
BE569728A (da)
EP2370586B1 (en) Process for the preparation of a monovalent succinate salt
EP0182522B1 (en) Preparation of clavulanic acid and its salts and esters
US5532148A (en) Process for producing of citric acid and monovalent citrate salts
US2658078A (en) Solvent extraction of oxytetracycline
US5202476A (en) Purification of 2-keto-L-gulonic acid
HU202282B (en) Process for separating 2-keto-l-gulonic acid from fermentation juice
JPH0556957B2 (da)
WO1987002366A2 (en) Novel derivatives of the oligosaccharide antibiotic complex 13-384, their preparation and pharmaceutical compositions containing them
JPS6338B2 (da)
US3381027A (en) Preparation and recovery of methyl 2-ketogluconate
JP2002528131A (ja) アスパラギン酸誘導体の製造方法
US2866738A (en) Deionized corn steep liquor in production of tetracycline
DK174267B1 (da) Fremgangsmåde til oprensning af 2-keto-L-gulonsyre
JPH034532B2 (da)
US2686777A (en) Isolation of dextran by alkaline earth hydroxide complex formation and products thereof
US4283492A (en) Production of antibiotics WS-3442 A, B, C, D and E, and their acyl derivatives
EP0047611B1 (en) Process for producing an antibiotic
RU2090611C1 (ru) Штамм дрожжей yarrowia lipolytica - продуцент лимонной кислоты, способ получения лимонной кислоты и способ выделения цитрата натрия
JP4006183B2 (ja) S,s−2−ヒドロキシプロピレンジアミン−n,n’−ジコハク酸の製造法
US4302580A (en) Process for the production of a cephamycin derivative
JP4480100B2 (ja) L−アスコルビン酸−2−リン酸の製造方法
JP2001197897A (ja) D−リンゴ酸の精製方法
JP2502990B2 (ja) ▲l▼−リンゴ酸の製造法
CN121950987A (zh) 酶法制备苯唑西林钠的方法

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees