CA1120877A - Selective n-acetylisation of amino acids by conversion with ketenes in aqueous solution - Google Patents
Selective n-acetylisation of amino acids by conversion with ketenes in aqueous solutionInfo
- Publication number
- CA1120877A CA1120877A CA000311172A CA311172A CA1120877A CA 1120877 A CA1120877 A CA 1120877A CA 000311172 A CA000311172 A CA 000311172A CA 311172 A CA311172 A CA 311172A CA 1120877 A CA1120877 A CA 1120877A
- Authority
- CA
- Canada
- Prior art keywords
- amino acid
- solution
- amino acids
- process according
- value
- 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
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
- C07D209/18—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D209/20—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals substituted additionally by nitrogen atoms, e.g. tryptophane
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Indole Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP2741081.7 | 1977-09-13 | ||
DE19772741081 DE2741081A1 (de) | 1977-09-13 | 1977-09-13 | Verfahren zur vollstaendigen, selektiven n-acetylierung von aminosaeuren durch umsetzung mit keten in waessriger loesung |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1120877A true CA1120877A (en) | 1982-03-30 |
Family
ID=6018776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000311172A Expired CA1120877A (en) | 1977-09-13 | 1978-09-12 | Selective n-acetylisation of amino acids by conversion with ketenes in aqueous solution |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5448712A (it) |
BE (1) | BE870441A (it) |
CA (1) | CA1120877A (it) |
DE (1) | DE2741081A1 (it) |
FR (1) | FR2402645A1 (it) |
GB (1) | GB1587680A (it) |
IT (1) | IT1106908B (it) |
NL (1) | NL7809296A (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2740380A1 (de) * | 1977-09-08 | 1979-03-15 | Dynamit Nobel Ag | Verfahren zur racemisierung optisch aktiver n-acyl-aminosaeuren in waessriger loesung |
DE3318933C1 (de) * | 1983-05-25 | 1984-06-07 | Degussa Ag, 6000 Frankfurt | Verfahren zur Trennung von L-Leucin und L-Isoleucin |
HU190864B (en) * | 1983-12-08 | 1986-11-28 | Alkaloida Vegyeszeti Gyar | Process for production of phenil-alanin derivatives |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
YU35105B (en) * | 1972-04-24 | 1980-09-25 | Krka Tovarna Zdravil | Process for preparing acetylamine derivatives of 2,4,6-triiodo-benzoic acid |
-
1977
- 1977-09-13 DE DE19772741081 patent/DE2741081A1/de not_active Withdrawn
-
1978
- 1978-05-26 GB GB23497/78A patent/GB1587680A/en not_active Expired
- 1978-08-29 FR FR7824934A patent/FR2402645A1/fr not_active Withdrawn
- 1978-09-11 JP JP11159978A patent/JPS5448712A/ja active Pending
- 1978-09-12 CA CA000311172A patent/CA1120877A/en not_active Expired
- 1978-09-12 NL NL7809296A patent/NL7809296A/xx not_active Application Discontinuation
- 1978-09-12 IT IT51061/78A patent/IT1106908B/it active
- 1978-09-13 BE BE190451A patent/BE870441A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7809296A (nl) | 1979-03-15 |
IT1106908B (it) | 1985-11-18 |
DE2741081A1 (de) | 1979-03-22 |
JPS5448712A (en) | 1979-04-17 |
GB1587680A (en) | 1981-04-08 |
IT7851061A0 (it) | 1978-09-12 |
BE870441A (fr) | 1979-01-02 |
FR2402645A1 (fr) | 1979-04-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |