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GB921075A - Process for optical resolution of racemic glutamic acid - Google Patents

Process for optical resolution of racemic glutamic acid

Info

Publication number
GB921075A
GB921075A GB26556/61A GB2655661A GB921075A GB 921075 A GB921075 A GB 921075A GB 26556/61 A GB26556/61 A GB 26556/61A GB 2655661 A GB2655661 A GB 2655661A GB 921075 A GB921075 A GB 921075A
Authority
GB
United Kingdom
Prior art keywords
glutamic acid
solution
racemic glutamic
racemic
optical resolution
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
Application number
GB26556/61A
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.)
Ajinomoto Co Inc
Original Assignee
Ajinomoto Co Inc
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 Ajinomoto Co Inc filed Critical Ajinomoto Co Inc
Priority to GB26556/61A priority Critical patent/GB921075A/en
Publication of GB921075A publication Critical patent/GB921075A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B57/00—Separation of optically-active compounds
    • 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
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

Racemic glutamic acid is resolved by inoculating into a super-saturated solution of racemic glutamic acid seed crystals consisting of optically active glutamic acid containing more than 30% of the orthorhombic a -form in each individual seed crystal, the crystals produced by such inoculation being separated from the solution. The seed crystals are preferably fed in at the top of a tower through which a solution of racemic glutamic acid flows upwardly, grown crystals being separated from the solution at the bottom of the tower. The above process may be combined with the process of Specification 865,311.
GB26556/61A 1961-07-21 1961-07-21 Process for optical resolution of racemic glutamic acid Expired GB921075A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB26556/61A GB921075A (en) 1961-07-21 1961-07-21 Process for optical resolution of racemic glutamic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26556/61A GB921075A (en) 1961-07-21 1961-07-21 Process for optical resolution of racemic glutamic acid

Publications (1)

Publication Number Publication Date
GB921075A true GB921075A (en) 1963-03-13

Family

ID=10245498

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26556/61A Expired GB921075A (en) 1961-07-21 1961-07-21 Process for optical resolution of racemic glutamic acid

Country Status (1)

Country Link
GB (1) GB921075A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1233069A2 (en) * 2001-02-20 2002-08-21 Ajinomoto Co., Inc. Method for producing L-glutamic acid
ES2186551A1 (en) * 2001-07-06 2003-05-01 Univ Madrid Complutense Procedure for the spontaneous resolution by direct crystallisation of racemic compounds.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1233069A2 (en) * 2001-02-20 2002-08-21 Ajinomoto Co., Inc. Method for producing L-glutamic acid
EP1233069A3 (en) * 2001-02-20 2002-12-04 Ajinomoto Co., Inc. Method for producing L-glutamic acid
US7319025B2 (en) 2001-02-20 2008-01-15 Ajinomoto Co., Inc. Method for producing L-glutamic acid
USRE41800E1 (en) 2001-02-20 2010-10-05 Ajinomoto Co., Inc. Method for producing l-glutamic acid
ES2186551A1 (en) * 2001-07-06 2003-05-01 Univ Madrid Complutense Procedure for the spontaneous resolution by direct crystallisation of racemic compounds.

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