CH577987A5 - - Google Patents

Info

Publication number
CH577987A5
CH577987A5 CH1514272A CH1514272A CH577987A5 CH 577987 A5 CH577987 A5 CH 577987A5 CH 1514272 A CH1514272 A CH 1514272A CH 1514272 A CH1514272 A CH 1514272A CH 577987 A5 CH577987 A5 CH 577987A5
Authority
CH
Switzerland
Application number
CH1514272A
Original Assignee
Jenapharm Veb
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 Jenapharm Veb filed Critical Jenapharm Veb
Publication of CH577987A5 publication Critical patent/CH577987A5/xx

Links

Classifications

    • 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
    • C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/32—Oxygen atoms
    • C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B01J19/2435—Loop-type reactors
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/08—Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1514272A 1971-10-19 1972-10-17 CH577987A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD15840971A DD99368A1 (xx) 1971-10-19 1971-10-19

Publications (1)

Publication Number Publication Date
CH577987A5 true CH577987A5 (xx) 1976-07-30

Family

ID=5484467

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1514272A CH577987A5 (xx) 1971-10-19 1972-10-17

Country Status (9)

Country Link
BE (1) BE828390Q (xx)
CH (1) CH577987A5 (xx)
DD (1) DD99368A1 (xx)
DE (1) DE2228641B2 (xx)
FR (1) FR2156791A1 (xx)
HU (1) HU164765B (xx)
PL (1) PL94404B1 (xx)
RO (1) RO64159A (xx)
SU (1) SU706099A1 (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2758883C3 (de) * 1977-12-30 1981-10-08 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen Herstellung von α-Hydroxy-β,β-dimethyl-γ-butyrolacton
DE2809179A1 (de) * 1978-03-03 1979-09-13 Basf Ag Verfahren zur extraktion von pantolacton aus seinen waessrigen loesungen
US4517132A (en) * 1983-06-29 1985-05-14 Union Carbide Corporation Process for preparation of cyanohydrins
ATE340156T1 (de) 2000-06-02 2006-10-15 Nippon Catalytic Chem Ind Verfahren zur herstellung von alpha- hydroxycarbonsäure

Also Published As

Publication number Publication date
HU164765B (xx) 1974-04-11
DE2228641B2 (de) 1976-09-09
DE2228641A1 (de) 1973-04-26
BE828390Q (fr) 1975-08-18
PL94404B1 (pl) 1977-08-31
DD99368A1 (xx) 1973-08-13
RO64159A (fr) 1978-10-15
FR2156791A1 (en) 1973-06-01
FR2156791B1 (xx) 1977-04-01
SU706099A1 (ru) 1979-12-30

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Legal Events

Date Code Title Description
PL Patent ceased