DE3473266D1 - Method of preparing alpha-l-aspartyl-l-phenylalanine methyl ester and its hydrochloride - Google Patents

Method of preparing alpha-l-aspartyl-l-phenylalanine methyl ester and its hydrochloride

Info

Publication number
DE3473266D1
DE3473266D1 DE8484303419T DE3473266T DE3473266D1 DE 3473266 D1 DE3473266 D1 DE 3473266D1 DE 8484303419 T DE8484303419 T DE 8484303419T DE 3473266 T DE3473266 T DE 3473266T DE 3473266 D1 DE3473266 D1 DE 3473266D1
Authority
DE
Germany
Prior art keywords
aspartyl
hydrochloride
methyl ester
phenylalanine methyl
preparing alpha
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
DE8484303419T
Other languages
English (en)
Inventor
Yoichi Ozawa
Emiko Shinohara
Chikahiko Eguchi
Shinichi Kishimoto
Tadashi Takemoto
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
Application granted granted Critical
Publication of DE3473266D1 publication Critical patent/DE3473266D1/de
Expired legal-status Critical Current

Links

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
    • 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
    • C07K5/06121—Asp- or Asn-amino acid the second amino acid being aromatic or cycloaliphatic
    • C07K5/0613—Aspartame

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Peptides Or Proteins (AREA)
DE8484303419T 1983-05-28 1984-05-21 Method of preparing alpha-l-aspartyl-l-phenylalanine methyl ester and its hydrochloride Expired DE3473266D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58094477A JPS59219258A (ja) 1983-05-28 1983-05-28 α−Ｌ−アスパルチル−Ｌ−フエニルアラニンメチルエステル又はその塩酸塩の製法

Publications (1)

Publication Number Publication Date
DE3473266D1 true DE3473266D1 (en) 1988-09-15

Family

ID=14111354

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484303419T Expired DE3473266D1 (en) 1983-05-28 1984-05-21 Method of preparing alpha-l-aspartyl-l-phenylalanine methyl ester and its hydrochloride

Country Status (7)

Country Link
US (1) US4606854A (de)
EP (1) EP0127411B1 (de)
JP (1) JPS59219258A (de)
KR (1) KR900008012B1 (de)
CA (1) CA1258749A (de)
DE (1) DE3473266D1 (de)
IE (1) IE57517B1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59219258A (ja) * 1983-05-28 1984-12-10 Ajinomoto Co Inc α−Ｌ−アスパルチル−Ｌ−フエニルアラニンメチルエステル又はその塩酸塩の製法
US4618695A (en) * 1983-06-02 1986-10-21 Ajinomoto Co., Inc. Method of preparing methyl ester and its hydrochloride
JPS60174799A (ja) * 1984-02-21 1985-09-09 Ajinomoto Co Inc α−Ｌ−アスパルチル−Ｌ−フエニルアラニンメチルエステルの製造法
JPH07636B2 (ja) * 1984-12-17 1995-01-11 三井東圧化学株式会社 Ｎ−ホルミル−α−アスパルチルフエニルアラニンの製造法
CA1277098C (en) * 1984-12-27 1990-11-27 Mitsui Toatsu Chemicals, Inc. Preparation process of -l-aspartyl-l-phenylalanine methyl ester
AU561384B2 (en) * 1985-03-26 1987-05-07 Mitsui Toatsu Chemicals Inc. Preparation of -l-aspartyl-l-phenylalanine methyl ester or hydrochloride thereof
AU586669B2 (en) * 1985-03-29 1989-07-20 Mitsui Toatsu Chemicals Inc. Preparation process of ```-L-aspartyl-L-phenylalanine methyl ester or hydrochloride thereof
US4677220A (en) * 1985-10-31 1987-06-30 Monsanto Company Process for the preparation of α-L-aspartyl-L-phenylalanine methyl ester
JPS6383098A (ja) * 1986-09-27 1988-04-13 Ajinomoto Co Inc α−Ｌ−アスパルチル−Ｌ−フエニルアラニン又はその誘導体の製造方法
DE3780585T2 (de) * 1986-12-05 1993-03-18 Mitsui Toatsu Chemicals Herstellung von alpha-l-aspartyl-l-phenylalanin-methylester oder deren hydrohalide.
JPH0832719B2 (ja) * 1986-12-19 1996-03-29 三井東圧化学株式会社 吸湿性の小さいα−Ｌ−アスパルチル−Ｌ−フエニルアラニンメチルエステルの製造法
JP2927070B2 (ja) * 1991-05-23 1999-07-28 味の素株式会社 α−Ｌ−アスパルチル−Ｌ−フェニルアラニンメチルエステルの製造方法
US6657073B1 (en) 1999-08-18 2003-12-02 Daesang Corporation Crystallization of α-L-aspartyl-L-phenylalanine methyl ester
KR102545317B1 (ko) 2015-06-19 2023-06-21 사우디 아라비안 오일 컴퍼니 방오성 올리고머화 촉매 시스템
US11104621B2 (en) 2016-01-07 2021-08-31 Saudi Arabian Oil Company Antifouling oligomerization catalyst systems
US10280125B2 (en) 2016-12-07 2019-05-07 Sumitomo Chemical Company, Limited Process for selective ethylene oligomerization with antifouling components
KR102659762B1 (ko) 2017-09-22 2024-04-24 사우디 아라비안 오일 컴퍼니 에틸렌 올리고머화를 위한 방오제 공촉매의 인라인 제조 방법
US11440980B2 (en) 2020-07-22 2022-09-13 Saudi Arabian Oil Company Methods for forming ultra high molecular weight polyethylenes and methods for reducing contaminant content in such
WO2022115754A1 (en) 2020-11-30 2022-06-02 Saudi Arabian Oil Company Catalyst systems
US11440857B2 (en) 2020-11-30 2022-09-13 Saudi Arabian Oil Company Catalyst systems
WO2022115751A1 (en) 2020-11-30 2022-06-02 Saudi Arabian Oil Company Catalyst systems
WO2022115750A1 (en) 2020-11-30 2022-06-02 Saudi Arabian Oil Company Catalyst systems
US11612883B2 (en) 2020-11-30 2023-03-28 Saudi Arabian Oil Company Catalyst systems
EP4294564A1 (de) 2021-03-12 2023-12-27 Saudi Arabian Oil Company Katalysatorsysteme
US11484871B1 (en) 2021-08-26 2022-11-01 Saudi Arabian Oil Company Catalyst systems
US11623901B1 (en) 2022-08-31 2023-04-11 Saudi Arabian Oil Company Catalyst systems that include silyl ether moieties
US11639321B1 (en) 2022-08-31 2023-05-02 Saudi Arabian Oil Company Catalyst systems that include meta-alkoxy substituted n-aryl bis-diphosphinoamine ligands

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4941425B1 (de) * 1970-10-26 1974-11-08
US3933781A (en) * 1973-11-05 1976-01-20 Monsanto Company Process for the preparation of α-L-aspartyl-L-phenylalanine alkyl esters
MX4704E (es) * 1976-12-27 1982-08-04 Monsanto Co Procedimiento mejorado para la preparacion de ester metilico de alfa-l-aspartil-l-fenilalanina
US4173562A (en) * 1976-12-27 1979-11-06 Monsanto Company Process for the preparation of α-L-aspartyl-L-phenylalanine methyl ester
US4111925A (en) * 1977-10-14 1978-09-05 Monsanto Company Hydrolysis of esters of α-L-aspartyl-L-phenylalanine
JPS59219258A (ja) * 1983-05-28 1984-12-10 Ajinomoto Co Inc α−Ｌ−アスパルチル−Ｌ−フエニルアラニンメチルエステル又はその塩酸塩の製法

Also Published As

Publication number Publication date
US4606854A (en) 1986-08-19
KR900008012B1 (ko) 1990-10-29
CA1258749A (en) 1989-08-22
EP0127411A2 (de) 1984-12-05
IE57517B1 (en) 1992-10-07
JPH0363556B2 (de) 1991-10-01
EP0127411B1 (de) 1988-08-10
KR840009295A (ko) 1984-12-26
IE841257L (en) 1984-11-28
JPS59219258A (ja) 1984-12-10
EP0127411A3 (en) 1985-09-18

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Legal Events

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8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBEL-HOPF, U., DIPL.-CHEM. DR.RER.NAT. GROENING, H., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN