FR2627485A1 - - Google Patents
Download PDFInfo
- Publication number
- FR2627485A1 FR2627485A1 FR8816195A FR8816195A FR2627485A1 FR 2627485 A1 FR2627485 A1 FR 2627485A1 FR 8816195 A FR8816195 A FR 8816195A FR 8816195 A FR8816195 A FR 8816195A FR 2627485 A1 FR2627485 A1 FR 2627485A1
- Authority
- FR
- France
- Prior art keywords
- organo
- manganous
- compound
- reaction
- acylating agent
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 27
- 150000002576 ketones Chemical class 0.000 claims abstract description 21
- 150000001875 compounds Chemical class 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- 239000003960 organic solvent Substances 0.000 claims abstract description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 26
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 13
- 150000008064 anhydrides Chemical class 0.000 claims description 12
- 239000011572 manganese Substances 0.000 claims description 11
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 8
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 150000002367 halogens Chemical class 0.000 claims description 6
- 150000002696 manganese Chemical class 0.000 claims description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 150000001450 anions Chemical class 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 4
- 125000000524 functional group Chemical group 0.000 claims description 4
- 125000000962 organic group Chemical group 0.000 claims description 3
- 239000012429 reaction media Substances 0.000 claims description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 2
- 150000004292 cyclic ethers Chemical class 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- CQDGTJPVBWZJAZ-UHFFFAOYSA-N monoethyl carbonate Chemical compound CCOC(O)=O CQDGTJPVBWZJAZ-UHFFFAOYSA-N 0.000 claims description 2
- 125000002524 organometallic group Chemical group 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 125000001453 quaternary ammonium group Chemical group 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims 1
- 244000085025 Pandanus tectorius Species 0.000 claims 1
- 230000029936 alkylation Effects 0.000 claims 1
- 238000005804 alkylation reaction Methods 0.000 claims 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims 1
- 239000003153 chemical reaction reagent Substances 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 125000001033 ether group Chemical group 0.000 claims 1
- 235000019256 formaldehyde Nutrition 0.000 claims 1
- 150000002894 organic compounds Chemical class 0.000 claims 1
- 239000012048 reactive intermediate Substances 0.000 claims 1
- 125000001424 substituent group Chemical group 0.000 claims 1
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 13
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 13
- 229910052748 manganese Inorganic materials 0.000 description 8
- -1 propio- Chemical class 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 239000010949 copper Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 230000010933 acylation Effects 0.000 description 4
- 238000005917 acylation reaction Methods 0.000 description 4
- 150000001805 chlorine compounds Chemical class 0.000 description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 4
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000001931 aliphatic group Chemical class 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000007806 chemical reaction intermediate Substances 0.000 description 3
- 150000001879 copper Chemical class 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000005749 Copper compound Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 2
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 150000001880 copper compounds Chemical class 0.000 description 2
- 239000011565 manganese chloride Substances 0.000 description 2
- 235000002867 manganese chloride Nutrition 0.000 description 2
- 125000002734 organomagnesium group Chemical group 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- RMSGQZDGSZOJMU-UHFFFAOYSA-N 1-butyl-2-phenylbenzene Chemical group CCCCC1=CC=CC=C1C1=CC=CC=C1 RMSGQZDGSZOJMU-UHFFFAOYSA-N 0.000 description 1
- HJSFZKMTFMWEAQ-UHFFFAOYSA-N 2-methyldecan-3-one Chemical compound CCCCCCCC(=O)C(C)C HJSFZKMTFMWEAQ-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 241000238876 Acari Species 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- HNDFJGJUZSTMSL-UHFFFAOYSA-N CCCC[Mn] Chemical compound CCCC[Mn] HNDFJGJUZSTMSL-UHFFFAOYSA-N 0.000 description 1
- AKWOZYBPKSODIH-UHFFFAOYSA-N [H]C([H])C([H])C([H])([H])[Mn] Chemical compound [H]C([H])C([H])C([H])([H])[Mn] AKWOZYBPKSODIH-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000002496 iodine Chemical class 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical class [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- 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
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/40—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals
- C07C15/50—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals polycyclic non-condensed
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/65—Metal complexes of amines
-
- 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
- C07C45/004—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with organometalhalides
-
- 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
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
-
- 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
- C07C49/16—Saturated compounds containing keto groups bound to acyclic carbon atoms containing halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/20—Unsaturated compounds containing keto groups bound to acyclic carbon atoms
- C07C49/203—Unsaturated compounds containing keto groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
- C07C49/782—Ketones containing a keto group bound to a six-membered aromatic ring polycyclic
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
- C07C49/782—Ketones containing a keto group bound to a six-membered aromatic ring polycyclic
- C07C49/784—Ketones containing a keto group bound to a six-membered aromatic ring polycyclic with all keto groups bound to a non-condensed ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F13/00—Compounds containing elements of Groups 7 or 17 of the Periodic Table
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE89403335T DE68906250T2 (de) | 1988-12-09 | 1989-12-01 | Verfahren zur herstellung von ketonen durch acylierung von organo-manganverbindungen. |
| AT89403335T ATE88691T1 (de) | 1988-12-09 | 1989-12-01 | Verfahren zur herstellung von ketonen durch acylierung von organo-manganverbindungen. |
| EP89403335A EP0373050B1 (fr) | 1988-12-09 | 1989-12-01 | Perfectionnement à la préparation de cétones par l'acylation de composés organo-manganeux |
| ES89403335T ES2057167T3 (es) | 1988-12-09 | 1989-12-01 | Perfeccionamientos en la preparacion de cetonas mediante la accion de compuestos organo-manganosos. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8703307A FR2612180B1 (fr) | 1987-03-11 | 1987-03-11 | Procede de preparation de cetones |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2627485A1 true FR2627485A1 (OSRAM) | 1989-08-25 |
| FR2627485B1 FR2627485B1 (OSRAM) | 1991-08-16 |
Family
ID=9348841
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8703307A Expired FR2612180B1 (fr) | 1987-03-11 | 1987-03-11 | Procede de preparation de cetones |
| FR8816195A Expired - Fee Related FR2627485B1 (OSRAM) | 1987-03-11 | 1988-12-09 | |
| FR8816356A Expired - Fee Related FR2627494B1 (fr) | 1987-03-11 | 1988-12-13 | Nouveaux composes organo-manganeux, leur preparation et applications |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8703307A Expired FR2612180B1 (fr) | 1987-03-11 | 1987-03-11 | Procede de preparation de cetones |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8816356A Expired - Fee Related FR2627494B1 (fr) | 1987-03-11 | 1988-12-13 | Nouveaux composes organo-manganeux, leur preparation et applications |
Country Status (1)
| Country | Link |
|---|---|
| FR (3) | FR2612180B1 (OSRAM) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3294827A (en) * | 1961-09-26 | 1966-12-27 | Gen Mills Inc | Quaternary ammonium metal compounds |
| DE283359T1 (de) * | 1987-03-11 | 1989-03-09 | Societe Nationale Elf Aquitaine, Courbevoie | Verfahren zur herstellung von ketonen. |
-
1987
- 1987-03-11 FR FR8703307A patent/FR2612180B1/fr not_active Expired
-
1988
- 1988-12-09 FR FR8816195A patent/FR2627485B1/fr not_active Expired - Fee Related
- 1988-12-13 FR FR8816356A patent/FR2627494B1/fr not_active Expired - Fee Related
Non-Patent Citations (4)
| Title |
|---|
| J.A.C.S., vol. 66, March 1944, pages 368-371; M.S. KHARASCH et al.: "FACTOORS determining the course and mechanisms of rignard reactions. XIII. The effect of metallic halides on the reaction of sterically hindered acid halides with methylmagnesium iodide" * |
| J.A.C.S., vol. 71, December 1949, pages 4141-4142; N.C. COOK et al.: "Grignard reactions. XX. Effect of cuprous chloride on the reaction of t-butylmagnesium chloride and trimethylacetyl chloride" * |
| SYNTHESIS, January 1984, pages 37-40; G. FRIOUR et al.: "Organomanganous Reagents; IX. Preparation of various halogenated, alkoxylated, aryloxylated, and arylsulfenylated ketones from correspondingly functionalized carboxylic acid chlorides or anhydrides" * |
| TETRAHEDRON LETTERS, no. 36, 1976, pages 3155-3156; G. CAHIEZ et al.: "Réactivité des dérivés organo-manganeux. I-action sur les chlorures d'acides. Synthèse de cetones" * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2627494A1 (fr) | 1989-08-25 |
| FR2612180A1 (fr) | 1988-09-16 |
| FR2627485B1 (OSRAM) | 1991-08-16 |
| FR2627494B1 (fr) | 1993-07-23 |
| FR2612180B1 (fr) | 1989-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0596809A1 (fr) | Beta-dicetones, leur procédé de préparation et leur utilisation comme stabilisant de polymères | |
| EP0283359B1 (fr) | Procédé de préparation de cétones | |
| EP0038735B1 (fr) | Procédé de préparation de produits ayant un groupement perfluoroalkyle en présence de zinc en milieu acide | |
| FR2627772A1 (fr) | Nouveau procede de preparation de l'acide ethylene-diamine-n-n(prime)-bis(ortho-hydroxyphenylacetique) et de derives de celui-ci | |
| EP0021927A1 (fr) | Procédé de préparation d'éthers aryliques | |
| EP0373050B1 (fr) | Perfectionnement à la préparation de cétones par l'acylation de composés organo-manganeux | |
| EP0267828A1 (fr) | Composés polyfluorés et leur procédé de préparation | |
| FR2490634A1 (fr) | Procede de preparation de fluorobenzonitriles | |
| FR2566769A1 (fr) | Agent de fluoration de composes organiques notamment de composes acetyleniques, leur procede de preparation et leur utilisation dans les reactions d'addition ou de substitution nucleophile | |
| CH648821A5 (fr) | Procedes de preparation de derives cyclopropaniques tetra-substitues. | |
| EP0323332B1 (fr) | Perfectionnement à la production d'alcools tertiaires et secondaires par l'action d'un composé organique halogéné et du manganèse sur un composé porteur d'un groupe carbonyle | |
| EP0325072B1 (fr) | Perfectionnement à la préparation d'alcools tertiaires et secondaires par l'action d'un composé organo-manganeux sur un composé porteur de groupe carbonyle | |
| US4983774A (en) | Preparation of ketones by the acylation of organo-manganous compounds | |
| FR2486526A1 (fr) | Procede de preparation de derives de l'oxyde de diphenyle | |
| FR2593815A1 (fr) | 1,1-bis-(2,5-dimethoxyphenyl)-isobenzofurannone-3 et procede pour sa preparation | |
| EP0070995B1 (fr) | Procédé pour la préparation de cétones cycloaliphatiques polyinsaturées | |
| EP0260472B1 (fr) | Procédé pour la préparation de cétones cycloaliphatiques | |
| EP0926127B1 (fr) | Procédé de préparation de composés alfa, bêta-dicarbonylés acycliques | |
| FR2458529A1 (fr) | Procede de preparation d'alcool 3,3-dimethyl-allylique | |
| FR2639939A1 (fr) | Procede de preparation de composes enoliques et nouveaux produits obtenus | |
| WO2018162739A1 (fr) | Nouvelle composition d'isomeres du 7,9-dodécadiényl-1-acétate et son procede de fabrication | |
| EP0262426B1 (fr) | Procédé pour la préparation d'aldéhydes cycloaliphatiques | |
| EP0374014A2 (fr) | Nouveaux composés organo-manganeux, leur préparation et applications | |
| FR2529197A1 (fr) | Procede de preparation de phenates substitues par des groupes halogenes ou des phenols correspondants | |
| EP0112441A2 (fr) | Carbinols acétyléniques, leur utilisation à titre de produits de départ pour la préparation de bêta-damascénone et carbinols alléniques en tant qu'intermédiaires dans ladite préparation ; procédés pour leur préparation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |