DK196883A - METHOD OF PREPARING CYANHYDRINCARBOXYL ACID ESTERS - Google Patents

METHOD OF PREPARING CYANHYDRINCARBOXYL ACID ESTERS Download PDF

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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
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DK
Denmark
Prior art keywords
cyanhydrincarboxyl
preparing
acid esters
formula
acyl
Prior art date
Application number
DK196883A
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Danish (da)
Other versions
DK196883D0 (en
Inventor
Kurt Findeisen
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Publication of DK196883D0 publication Critical patent/DK196883D0/en
Publication of DK196883A publication Critical patent/DK196883A/en

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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

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  • 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

Figure DK196883AD00021

(II)(II)

Figure DK196883AD00022

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)

Figure DK196883AD00023

(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.

DK196883A 1982-05-04 1983-05-03 METHOD OF PREPARING CYANHYDRINCARBOXYL ACID ESTERS DK196883A (en)

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)

* Cited by examiner, † Cited by third party
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

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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