BE671514A - - Google Patents

Info

Publication number
BE671514A
BE671514A BE671514DA BE671514A BE 671514 A BE671514 A BE 671514A BE 671514D A BE671514D A BE 671514DA BE 671514 A BE671514 A BE 671514A
Authority
BE
Belgium
Prior art keywords
acid
compound
gamma
lactone
beta
Prior art date
Application number
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE671514A publication Critical patent/BE671514A/fr

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
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A24B15/36—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring
    • A24B15/40—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring having only oxygen or sulfur as hetero atoms
    • A24B15/403—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring having only oxygen or sulfur as hetero atoms having only oxygen as hetero atoms
    • A24B15/406—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring having only oxygen or sulfur as hetero atoms having only oxygen as hetero atoms in a five-membered ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/65—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
    • C07C45/66—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups by dehydration
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/17—Saturated compounds containing keto groups bound to acyclic carbon atoms containing hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE671514D 1965-01-04 1965-10-27 BE671514A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42337065A 1965-01-04 1965-01-04

Publications (1)

Publication Number Publication Date
BE671514A true BE671514A (ja) 1966-04-27

Family

ID=23678652

Family Applications (1)

Application Number Title Priority Date Filing Date
BE671514D BE671514A (ja) 1965-01-04 1965-10-27

Country Status (3)

Country Link
BE (1) BE671514A (ja)
FR (1) FR1451809A (ja)
NL (1) NL6514140A (ja)

Also Published As

Publication number Publication date
NL6514140A (ja) 1966-07-05
FR1451809A (fr) 1966-01-07

Similar Documents

Publication Publication Date Title
DK171478B1 (da) Fremgangsmåde til fremstilling af (S)-alfa-cyan-3-phenoxybenzylalkohol
BE671514A (ja)
CH641751A5 (fr) Nouveau procede de dedoublement de l'acide dl-cis et dl-trans chrysanthemique.
FR2549041A1 (fr) Procede de purification de 4-fluorophenol
EP0025383B1 (fr) Nouveaux dérivés substitués du cyclopropène, leur préparation et leur application dans la synthèse de précurseurs de l'acide dl cis chrysanthémique
CH476658A (fr) Procédé pour la préparation d'une dihydroxy-dicétone
EP0148666B1 (fr) Procédé de préparation de l'acide hydroxy-3 méthyl-3 glutarique
EP0265793B1 (fr) Procédé de préparation d'acides alkanoiques
EP0541445B1 (fr) Nouveau procédé de préparation de la lactone de l'acide 1R,cis 2,2-diméthyl 3-formyl cyclopropane-1-carboxylique et intermédiaires
RU2234492C1 (ru) Способ получения 2,3,4-триметоксибензальдегида
EP0047693B1 (fr) Procédé de fabrication d'acides hydroxyarylglyoxyliques et de leurs sels alcalins et son application à la fabrication du para-hydroxyphénylglyoxylate de sodium
BE883271R (fr) Nouveaux pyrethroides
FR2519977A1 (fr) Procede de preparation de chloroacetanilides substitues
BE627307A (ja)
JPS5822450B2 (ja) イソロンギホラン−３−オ−ル
FR2500443A1 (fr) Procede de preparation d'acides dihalovinyl-cyclo-propane-carboxyliques
CH412897A (fr) Procédé de préparation d'amino oxazolinones
BE513351A (ja)
BE837031A (fr) Procede de preparation d'acide 3,6- dichloropicolinique
CH336838A (fr) Procédé pour la préparation de N,N-dibenzylaminoacides
CH338459A (fr) Procédé pour la préparation d'azaphénothiazines
BE477693A (ja)
BE513374A (ja)
BE517207A (ja)
CH586223A5 (en) Biologically active cpd used in cancer therapy - i.e. N-p-(2,4-diamino-6-pteridyl-methyl-nitrogen-10-methylamino-benzoy- l)-glutamic acid