CA1100487A - Process for the preparation of alpha-l-aspartyl-l- phenylalanine methyl ester - Google Patents
Process for the preparation of alpha-l-aspartyl-l- phenylalanine methyl esterInfo
- Publication number
- CA1100487A CA1100487A CA293,911A CA293911A CA1100487A CA 1100487 A CA1100487 A CA 1100487A CA 293911 A CA293911 A CA 293911A CA 1100487 A CA1100487 A CA 1100487A
- Authority
- CA
- Canada
- Prior art keywords
- aspartyl
- phenylalanine
- alpha
- reaction medium
- hydrogen halide
- 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
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
- 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)
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75429776A | 1976-12-27 | 1976-12-27 | |
| US754,297 | 1976-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1100487A true CA1100487A (en) | 1981-05-05 |
Family
ID=25034194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA293,911A Expired CA1100487A (en) | 1976-12-27 | 1977-12-23 | Process for the preparation of alpha-l-aspartyl-l- phenylalanine methyl ester |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS6050200B2 (da) |
| AU (1) | AU515038B2 (da) |
| BE (1) | BE862258A (da) |
| BR (1) | BR7708632A (da) |
| CA (1) | CA1100487A (da) |
| CH (1) | CH631435A5 (da) |
| DE (1) | DE2757771A1 (da) |
| DK (1) | DK149432C (da) |
| FR (1) | FR2375194A1 (da) |
| GB (1) | GB1546979A (da) |
| HU (1) | HU179735B (da) |
| IT (1) | IT1088938B (da) |
| MX (1) | MX4704E (da) |
| NL (1) | NL185211C (da) |
| NO (1) | NO148069C (da) |
| SE (1) | SE440506B (da) |
| SU (1) | SU884564A3 (da) |
| ZA (1) | ZA777614B (da) |
Families Citing this family (13)
| 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 |
| JPS59225152A (ja) * | 1983-06-02 | 1984-12-18 | 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 |
| GB8321802D0 (en) * | 1983-08-12 | 1983-09-14 | Erba Farmitalia | Aspartame synthesis |
| 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 |
| ES8703487A1 (es) * | 1984-12-27 | 1987-03-01 | Mitsui Toatsu Chemicals | Procedimiento para la preparacion de a-l-aspartil-l-fenila- lanina metil 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 |
| DE3600731A1 (de) * | 1986-01-13 | 1987-07-16 | Green Cross Korea | Verfahren zur herstellung von (alpha)-l-aspartyl-l-phenylalaninmethylester |
| 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 |
| JPS6411999U (da) * | 1987-07-13 | 1989-01-23 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5232371B2 (da) * | 1972-07-20 | 1977-08-20 | ||
| US3933781A (en) * | 1973-11-05 | 1976-01-20 | Monsanto Company | Process for the preparation of α-L-aspartyl-L-phenylalanine alkyl esters |
| JPS5223001A (en) * | 1975-08-14 | 1977-02-21 | Ajinomoto Co Inc | Process for elimination of formyl group |
-
1977
- 1977-12-16 MX MX776726U patent/MX4704E/es unknown
- 1977-12-22 ZA ZA00777614A patent/ZA777614B/xx unknown
- 1977-12-23 CA CA293,911A patent/CA1100487A/en not_active Expired
- 1977-12-23 DK DK577977A patent/DK149432C/da not_active IP Right Cessation
- 1977-12-23 GB GB53633/77A patent/GB1546979A/en not_active Expired
- 1977-12-23 NO NO774440A patent/NO148069C/no unknown
- 1977-12-23 DE DE19772757771 patent/DE2757771A1/de active Granted
- 1977-12-23 SE SE7714709A patent/SE440506B/sv not_active IP Right Cessation
- 1977-12-23 IT IT31246/77A patent/IT1088938B/it active
- 1977-12-23 NL NLAANVRAGE7714351,A patent/NL185211C/xx not_active IP Right Cessation
- 1977-12-23 BE BE183786A patent/BE862258A/xx not_active IP Right Cessation
- 1977-12-23 AU AU32014/77A patent/AU515038B2/en not_active Expired
- 1977-12-24 HU HU77MO1000A patent/HU179735B/hu unknown
- 1977-12-26 BR BR7708632A patent/BR7708632A/pt unknown
- 1977-12-26 JP JP52155755A patent/JPS6050200B2/ja not_active Expired
- 1977-12-26 FR FR7739203A patent/FR2375194A1/fr active Granted
- 1977-12-26 SU SU772557552A patent/SU884564A3/ru active
- 1977-12-27 CH CH1592977A patent/CH631435A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK149432B (da) | 1986-06-09 |
| BE862258A (fr) | 1978-06-23 |
| CH631435A5 (en) | 1982-08-13 |
| FR2375194B1 (da) | 1984-04-13 |
| HU179735B (en) | 1982-12-28 |
| SE440506B (sv) | 1985-08-05 |
| DK149432C (da) | 1987-04-21 |
| NO148069C (no) | 1983-08-03 |
| JPS5382752A (en) | 1978-07-21 |
| NL7714351A (nl) | 1978-06-29 |
| ZA777614B (en) | 1978-10-25 |
| DE2757771A1 (de) | 1978-07-06 |
| AU515038B2 (en) | 1981-03-12 |
| NO774440L (no) | 1978-06-28 |
| GB1546979A (en) | 1979-06-06 |
| SE7714709L (sv) | 1978-06-28 |
| FR2375194A1 (fr) | 1978-07-21 |
| NO148069B (no) | 1983-04-25 |
| DK577977A (da) | 1978-06-28 |
| IT1088938B (it) | 1985-06-10 |
| BR7708632A (pt) | 1978-08-22 |
| AU3201477A (en) | 1979-06-28 |
| NL185211C (nl) | 1990-02-16 |
| DE2757771C2 (da) | 1988-08-25 |
| MX4704E (es) | 1982-08-04 |
| NL185211B (nl) | 1989-09-18 |
| JPS6050200B2 (ja) | 1985-11-07 |
| SU884564A3 (ru) | 1981-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4173562A (en) | Process for the preparation of α-L-aspartyl-L-phenylalanine methyl ester | |
| US3933781A (en) | Process for the preparation of α-L-aspartyl-L-phenylalanine alkyl esters | |
| CA1100487A (en) | Process for the preparation of alpha-l-aspartyl-l- phenylalanine methyl ester | |
| EP0127411B1 (en) | Method of preparing alpha-l-aspartyl-l-phenylalanine methyl ester and its hydrochloride | |
| EP0092933B1 (en) | Process for producing alpha-l-aspartyl-l-phenylalanine methyl ester or its hydrochloride | |
| KR960004185B1 (ko) | 새로운 레보도파 합성방법 | |
| US4677220A (en) | Process for the preparation of α-L-aspartyl-L-phenylalanine methyl ester | |
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| US4282161A (en) | Novel purification process | |
| US4801732A (en) | Preparation process of α-L-aspartyl-L-phenylalanine methyl ester | |
| US4111925A (en) | Hydrolysis of esters of α-L-aspartyl-L-phenylalanine | |
| US4673744A (en) | Method for conversion of β-aspartylphenylalanine derivatives to .alpha. | |
| US3983162A (en) | Optical resolution of alkyl esters of DL-phenylalanine | |
| JPS59227850A (ja) | アスパルテ−ムの合成法 | |
| JP2662287B2 (ja) | 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分離方法 | |
| JPS6337104B2 (da) | ||
| US4883900A (en) | Process for the preparation of aspartame and agents for carrying it out | |
| US5334746A (en) | Process for producing α-L-aspartyl-L-phenylalanine methyl ester | |
| US5264573A (en) | Process for preparing 2-chloro-1,7-dihydropurin-6-one and a process for its purification | |
| JPS6337105B2 (da) | ||
| EP0072015B1 (en) | Method for purifying n-benzyloxycarbonyl aspartic acid | |
| JP3238175B2 (ja) | Ｎ−ベンジルオキシカルボニル−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法 | |
| KR900002557B1 (ko) | α-L-아스파르틸-L-페닐알라닌 메틸에스테르의 제조방법 | |
| SU765260A1 (ru) | Способ очистки 3-(3,4-диоксифенил) аланина |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |