ATE282046T1 - Herstellung von n-(n-(3,3-dimethylbutyl)-l-alpha- aspartlyl)-l-phenylalaninmethylester mittels reduktiver alkylation und crystallisierung im wässrigen methanol - Google Patents

Herstellung von n-(n-(3,3-dimethylbutyl)-l-alpha- aspartlyl)-l-phenylalaninmethylester mittels reduktiver alkylation und crystallisierung im wässrigen methanol

Info

Publication number
ATE282046T1
ATE282046T1 AT01939126T AT01939126T ATE282046T1 AT E282046 T1 ATE282046 T1 AT E282046T1 AT 01939126 T AT01939126 T AT 01939126T AT 01939126 T AT01939126 T AT 01939126T AT E282046 T1 ATE282046 T1 AT E282046T1
Authority
AT
Austria
Prior art keywords
dimethylbutyl
alpha
methyl ester
crystallization
alkylation
Prior art date
Application number
AT01939126T
Other languages
English (en)
Inventor
Indra Prakash
Mike G Scaros
Kurt L Wachholder
Original Assignee
Nutrasweet Co
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 Nutrasweet Co filed Critical Nutrasweet Co
Application granted granted Critical
Publication of ATE282046T1 publication Critical patent/ATE282046T1/de

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
    • C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
    • C07K5/06—Dipeptides
    • C07K5/06104—Dipeptides with the first amino acid being acidic
    • C07K5/06113—Asp- or Asn-amino acid

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Genetics & Genomics (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Peptides Or Proteins (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Seasonings (AREA)
AT01939126T 2000-05-18 2001-05-18 Herstellung von n-(n-(3,3-dimethylbutyl)-l-alpha- aspartlyl)-l-phenylalaninmethylester mittels reduktiver alkylation und crystallisierung im wässrigen methanol ATE282046T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/572,843 US6281380B1 (en) 2000-05-18 2000-05-18 Synthesis of N-(N-(3,3-dimethylbutyl)-L-α-aspartyl)L-phenylalanine1-methyl ester by reductive alkylation and crystallization/ isolation in aqueous methanol
PCT/US2001/016143 WO2001087926A2 (en) 2000-05-18 2001-05-18 SYNTHESIS OF N-[N-(3,3-DIMETHYLBUTYL)-L-α-ASPARTYL]-L-PHENYLALANINE 1-METHYL ESTER BY REDUCTIVE ALKYLATION AND CRYSTALLIZATION/ISOLATION IN AQUEOUS METHANOL

Publications (1)

Publication Number Publication Date
ATE282046T1 true ATE282046T1 (de) 2004-11-15

Family

ID=24289587

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01939126T ATE282046T1 (de) 2000-05-18 2001-05-18 Herstellung von n-(n-(3,3-dimethylbutyl)-l-alpha- aspartlyl)-l-phenylalaninmethylester mittels reduktiver alkylation und crystallisierung im wässrigen methanol

Country Status (7)

Country Link
US (1) US6281380B1 (de)
EP (1) EP1284990B1 (de)
AT (1) ATE282046T1 (de)
AU (1) AU2001264678A1 (de)
DE (1) DE60107079T2 (de)
ES (1) ES2228876T3 (de)
WO (1) WO2001087926A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2004259769B2 (en) 2003-07-24 2011-11-24 The Queen's Medical Center Preparation and use of alkylating agents

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9201408A (nl) * 1992-08-05 1994-03-01 Holland Sweetener Co Werkwijze voor het kristalliseren van aspartaam.
FR2697844B1 (fr) * 1992-11-12 1995-01-27 Claude Nofre Nouveaux composés dérivés de dipeptides ou d'analogues dipeptidiques utiles comme agents édulcorants, leur procédé de préparation.
US5728862A (en) * 1997-01-29 1998-03-17 The Nutrasweet Company Method for preparing and purifying an N-alkylated aspartame derivative
JPH11130794A (ja) * 1997-10-23 1999-05-18 Ajinomoto Co Inc アスパルテーム誘導体の精製方法
NL1010063C2 (nl) * 1998-09-10 2000-03-13 Holland Sweetener Co Werkwijze voor de bereiding van neotaam.
US6077962A (en) * 1998-12-24 2000-06-20 The Nutrasweet Company N-3, 3-dimethylbutyl-L-aspartic acid and esters thereof, the process of preparing the same, and the process for preparing N-(N-(3,3-dimethylbutyl) -α L-aspartyl)-L- phenylalanine 1-methyl ester therefrom

Also Published As

Publication number Publication date
DE60107079T2 (de) 2005-11-10
AU2001264678A1 (en) 2001-11-26
EP1284990B1 (de) 2004-11-10
DE60107079D1 (de) 2004-12-16
ES2228876T3 (es) 2005-04-16
EP1284990A2 (de) 2003-02-26
WO2001087926A3 (en) 2002-03-21
WO2001087926A2 (en) 2001-11-22
US6281380B1 (en) 2001-08-28

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