DK196883A - METHOD OF PREPARING CYANHYDRINCARBOXYL ACID ESTERS - Google Patents
METHOD OF PREPARING CYANHYDRINCARBOXYL ACID ESTERS Download PDFInfo
- Publication number
- DK196883A DK196883A DK196883A DK196883A DK196883A DK 196883 A DK196883 A DK 196883A DK 196883 A DK196883 A DK 196883A DK 196883 A DK196883 A DK 196883A DK 196883 A DK196883 A DK 196883A
- Authority
- DK
- Denmark
- Prior art keywords
- cyanhydrincarboxyl
- preparing
- acid esters
- formula
- acyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/34—Nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/54—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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dentistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Plant Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
2 R betyder eventuelt substitueret alkyl, cyclo- alkyl, aryl eller heteroaryl, fremstilles ved, at acylcyanider med formlen2 R optionally substituted alkyl, cycloalkyl, aryl or heteroaryl is prepared by acyl cyanides of the formula
(II)(II)
eller O-acyl-tartronsyrenitriler (dimere acylcyanider) med formlen (III) eller blandinger af forbindelserne med formlen (II) og (III) omsættes med aldehyder eller ketoner med formlen (IV)or O-acyl tartaronic acid nitriles (dimer acyl cyanides) of formula (III) or mixtures of the compounds of formula (II) and (III) are reacted with aldehydes or ketones of formula (IV)
(IV) i nærværelse af vandfrie baser og eventuelt i nærværelse af fortyndingsmidler.(IV) in the presence of anhydrous bases and optionally in the presence of diluents.
Cyanhydrincarboxylsyreesterne (I) fås i gode udbytter og med høj renhe'd.The cyanohydric carboxylic acid esters (I) are obtained in good yields and with high purity.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3216569 | 1982-05-04 | ||
DE19823216569 DE3216569A1 (en) | 1982-05-04 | 1982-05-04 | METHOD FOR PRODUCING CYANHYDRINE CARBONIC ACID ESTERS |
Publications (2)
Publication Number | Publication Date |
---|---|
DK196883D0 DK196883D0 (en) | 1983-05-03 |
DK196883A true DK196883A (en) | 1983-11-05 |
Family
ID=6162626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK196883A DK196883A (en) | 1982-05-04 | 1983-05-03 | METHOD OF PREPARING CYANHYDRINCARBOXYL ACID ESTERS |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0093338A1 (en) |
JP (1) | JPS58194851A (en) |
BR (1) | BR8302279A (en) |
DE (1) | DE3216569A1 (en) |
DK (1) | DK196883A (en) |
IL (1) | IL68545A0 (en) |
ZA (1) | ZA833123B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4625045A (en) * | 1985-07-19 | 1986-11-25 | The Dow Chemical Company | Process for the preparation of cyanomethyl carboxylates |
US4797418A (en) * | 1985-07-19 | 1989-01-10 | The Dow Chemical Company | Antibacterial cyanomethyl carboxylates |
-
1982
- 1982-05-04 DE DE19823216569 patent/DE3216569A1/en not_active Withdrawn
-
1983
- 1983-04-21 EP EP83103906A patent/EP0093338A1/en not_active Withdrawn
- 1983-04-28 JP JP58074152A patent/JPS58194851A/en active Pending
- 1983-05-02 IL IL68545A patent/IL68545A0/en unknown
- 1983-05-03 BR BR8302279A patent/BR8302279A/en unknown
- 1983-05-03 DK DK196883A patent/DK196883A/en not_active Application Discontinuation
- 1983-05-03 ZA ZA833123A patent/ZA833123B/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE3216569A1 (en) | 1983-11-10 |
EP0093338A1 (en) | 1983-11-09 |
ZA833123B (en) | 1984-01-25 |
BR8302279A (en) | 1984-01-03 |
IL68545A0 (en) | 1983-09-30 |
DK196883D0 (en) | 1983-05-03 |
JPS58194851A (en) | 1983-11-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ATS | Application withdrawn |