JPS5448712A - Completely selective nnacetylation by reacting amino acid with ketene in aqueous solution and manufacture of pure optical isomer - Google Patents

Completely selective nnacetylation by reacting amino acid with ketene in aqueous solution and manufacture of pure optical isomer

Info

Publication number
JPS5448712A
JPS5448712A JP11159978A JP11159978A JPS5448712A JP S5448712 A JPS5448712 A JP S5448712A JP 11159978 A JP11159978 A JP 11159978A JP 11159978 A JP11159978 A JP 11159978A JP S5448712 A JPS5448712 A JP S5448712A
Authority
JP
Japan
Prior art keywords
nnacetylation
ketene
manufacture
amino acid
aqueous solution
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.)
Pending
Application number
JP11159978A
Other languages
English (en)
Inventor
Furantsuman Giizeruheru
Reo Hiyurusuman Hansu
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
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 Dynamit Nobel AG filed Critical Dynamit Nobel AG
Publication of JPS5448712A publication Critical patent/JPS5448712A/ja
Pending legal-status Critical Current

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)
JP11159978A 1977-09-13 1978-09-11 Completely selective nnacetylation by reacting amino acid with ketene in aqueous solution and manufacture of pure optical isomer Pending JPS5448712A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
JPS5448712A true JPS5448712A (en) 1979-04-17

Family

ID=6018776

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11159978A Pending JPS5448712A (en) 1977-09-13 1978-09-11 Completely selective nnacetylation by reacting amino acid with ketene in aqueous solution and manufacture of pure optical isomer

Country Status (8)

Country Link
JP (1) JPS5448712A (ja)
BE (1) BE870441A (ja)
CA (1) CA1120877A (ja)
DE (1) DE2741081A1 (ja)
FR (1) FR2402645A1 (ja)
GB (1) GB1587680A (ja)
IT (1) IT1106908B (ja)
NL (1) NL7809296A (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2741081A1 (de) 1979-03-22
NL7809296A (nl) 1979-03-15
IT1106908B (it) 1985-11-18
CA1120877A (en) 1982-03-30
FR2402645A1 (fr) 1979-04-06
GB1587680A (en) 1981-04-08
IT7851061A0 (it) 1978-09-12
BE870441A (fr) 1979-01-02

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