BE731359A - - Google Patents
Info
- Publication number
- BE731359A BE731359A BE731359DA BE731359A BE 731359 A BE731359 A BE 731359A BE 731359D A BE731359D A BE 731359DA BE 731359 A BE731359 A BE 731359A
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- propionitrile
- reaction
- chlor
- yield
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 claims description 27
- -1 -PI02 Chemical group 0.000 claims description 23
- 239000002253 acid Substances 0.000 claims description 21
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 16
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 239000012954 diazonium Substances 0.000 claims description 13
- 229910052736 halogen Inorganic materials 0.000 claims description 11
- 150000004982 aromatic amines Chemical class 0.000 claims description 10
- 150000002367 halogens Chemical class 0.000 claims description 10
- 150000001989 diazonium salts Chemical class 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 7
- 150000003254 radicals Chemical class 0.000 claims description 6
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000006193 diazotization reaction Methods 0.000 claims description 5
- 230000002349 favourable effect Effects 0.000 claims description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims description 2
- WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical compound [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 150000004820 halides Chemical class 0.000 claims 1
- 239000000460 chlorine Substances 0.000 description 44
- 229910052801 chlorine Inorganic materials 0.000 description 42
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 29
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 239000000243 solution Substances 0.000 description 15
- 239000000203 mixture Substances 0.000 description 14
- 229910052757 nitrogen Inorganic materials 0.000 description 14
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 11
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 11
- 239000006184 cosolvent Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 6
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 235000010288 sodium nitrite Nutrition 0.000 description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 229940045803 cuprous chloride Drugs 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012429 reaction media Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- BNJMRELGMDUDDB-UHFFFAOYSA-N $l^{1}-sulfanylbenzene Chemical compound [S]C1=CC=CC=C1 BNJMRELGMDUDDB-UHFFFAOYSA-N 0.000 description 2
- RWDOREOERSVIRK-UHFFFAOYSA-N 4-(2,4-dichlorophenoxy)aniline Chemical compound C1=CC(N)=CC=C1OC1=CC=C(Cl)C=C1Cl RWDOREOERSVIRK-UHFFFAOYSA-N 0.000 description 2
- CFKMVGJGLGKFKI-UHFFFAOYSA-N 4-chloro-m-cresol Chemical compound CC1=CC(O)=CC=C1Cl CFKMVGJGLGKFKI-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- CAHQGWAXKLQREW-UHFFFAOYSA-N Benzal chloride Chemical compound ClC(Cl)C1=CC=CC=C1 CAHQGWAXKLQREW-UHFFFAOYSA-N 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910021592 Copper(II) chloride Inorganic materials 0.000 description 2
- WZKSXHQDXQKIQJ-UHFFFAOYSA-N F[C](F)F Chemical compound F[C](F)F WZKSXHQDXQKIQJ-UHFFFAOYSA-N 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 125000004414 alkyl thio group Chemical group 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 235000011148 calcium chloride Nutrition 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- QTMDXZNDVAMKGV-UHFFFAOYSA-L copper(ii) bromide Chemical compound [Cu+2].[Br-].[Br-] QTMDXZNDVAMKGV-UHFFFAOYSA-L 0.000 description 2
- 125000004663 dialkyl amino group Chemical group 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 150000004992 toluidines Chemical class 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- QJGUNTITYPJESL-UHFFFAOYSA-N 2-(2-chloro-6-methylphenyl)propanenitrile Chemical compound ClC=1C(=C(C=CC=1)C)C(C#N)C QJGUNTITYPJESL-UHFFFAOYSA-N 0.000 description 1
- RMIWZYGLHJJFRO-UHFFFAOYSA-N 2-(3-nitrophenyl)propanenitrile Chemical compound N#CC(C)C1=CC=CC([N+]([O-])=O)=C1 RMIWZYGLHJJFRO-UHFFFAOYSA-N 0.000 description 1
- JPTHCYFZRSLQMW-UHFFFAOYSA-N 2-(4-fluorophenyl)propanenitrile Chemical compound N#CC(C)C1=CC=C(F)C=C1 JPTHCYFZRSLQMW-UHFFFAOYSA-N 0.000 description 1
- 125000004198 2-fluorophenyl group Chemical group [H]C1=C([H])C(F)=C(*)C([H])=C1[H] 0.000 description 1
- VQRBAFPBJMOCCK-UHFFFAOYSA-N 2-naphthalen-1-ylpropanenitrile Chemical compound C1=CC=C2C(C(C#N)C)=CC=CC2=C1 VQRBAFPBJMOCCK-UHFFFAOYSA-N 0.000 description 1
- WIMQWBDZMHQZDY-UHFFFAOYSA-M 3-chloro-2-methylbenzenediazonium;chloride Chemical compound [Cl-].CC1=C(Cl)C=CC=C1[N+]#N WIMQWBDZMHQZDY-UHFFFAOYSA-M 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229910021590 Copper(II) bromide Inorganic materials 0.000 description 1
- 229910016508 CuCl22H2O Inorganic materials 0.000 description 1
- 238000007192 Meerwein reaction reaction Methods 0.000 description 1
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 1
- 101100215777 Schizosaccharomyces pombe (strain 972 / ATCC 24843) ain1 gene Proteins 0.000 description 1
- 240000002871 Tectona grandis Species 0.000 description 1
- 101150046432 Tril gene Proteins 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229960002242 chlorocresol Drugs 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- MPTQRFCYZCXJFQ-UHFFFAOYSA-L copper(II) chloride dihydrate Chemical compound O.O.[Cl-].[Cl-].[Cu+2] MPTQRFCYZCXJFQ-UHFFFAOYSA-L 0.000 description 1
- 150000001896 cresols Chemical class 0.000 description 1
- 229960003280 cupric chloride Drugs 0.000 description 1
- 229960003887 dichlorophen Drugs 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 125000006303 iodophenyl group Chemical group 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- VBEGHXKAFSLLGE-UHFFFAOYSA-N n-phenylnitramide Chemical compound [O-][N+](=O)NC1=CC=CC=C1 VBEGHXKAFSLLGE-UHFFFAOYSA-N 0.000 description 1
- 125000006501 nitrophenyl group Chemical group 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 150000004672 propanoic acids Chemical class 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/12—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
- C07D303/16—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by esterified hydroxyl radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/26—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
- C07C17/263—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
-
- 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
- C07C45/69—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 addition to carbon-to-carbon double or triple bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
- C07C47/24—Unsaturated compounds having —CHO 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
- C07C49/213—Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing six-membered aromatic rings
- C07C49/217—Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing six-membered aromatic rings having unsaturation outside the aromatic rings
- C07C49/223—Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing six-membered aromatic rings having unsaturation outside the aromatic rings polycyclic
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C65/00—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C65/32—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing keto groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/08—Compounds containing oxirane rings with hydrocarbon radicals, substituted by halogen atoms, nitro radicals or nitroso radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE731359 | 1969-04-10 | ||
| BE72615 | 1969-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE731359A true BE731359A (OSRAM) | 1969-10-10 |
Family
ID=25647460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE731359D BE731359A (OSRAM) | 1969-04-10 | 1969-04-10 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE731359A (OSRAM) |
-
1969
- 1969-04-10 BE BE731359D patent/BE731359A/fr not_active IP Right Cessation
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2692890A1 (fr) | Procédé de préparation de la N-méthyl-3-phényl-3-[4-(trifluorométhyl)-phénoxy]-propylamine et de ses sels d'addition d'acide. | |
| FR2733980A1 (fr) | Procede d'acylation d'ethers aromatiques non substitues | |
| CN1119317C (zh) | 一种使旋光性1－苯基乙胺衍生物消旋的方法 | |
| EP0965588A1 (fr) | Procédé de préparation de dérivés de la 4-phényl-1,2,3,6-tétrahydropyridine et les produits intermédiaires mis en oeuvre | |
| GB2062633A (en) | Process for the preparation of arylglyoxylonitrile-2-oxime cyanoalkyl ethers | |
| EP0149952B1 (fr) | Procédé de préparation de bromobenzaldéhydes hydroxy et/ou alkoxy substitués | |
| JPH0430387B2 (OSRAM) | ||
| EP0091385A1 (fr) | Procédé de préparation de p-hydroxybenzylnitriles ou p-hydroxybenzylamines | |
| FR2540860A1 (fr) | Nouveaux intermediaires pour la production de derives de l'acide 2-(2-aminothiazol-4-yl) glyoxylique ou d'un de ses sels et le procede de production desdits intermediaires | |
| EP0005654A1 (fr) | Procédé d'isomérisation des dérivés de la vinyl-3 pipéridine | |
| CA1183852A (fr) | Procede de preparation d'imides n-benzylsubstitues | |
| EP0102305A1 (fr) | Procédé de préparation d'anilines métachlorées | |
| EP0221815B1 (fr) | Procédé pour la fabrication d'acides alkanoiques | |
| CH641157A5 (fr) | Procede de preparation de l'hexamethylene-bis-dicyanodiamide. | |
| JPH09132561A (ja) | （２ｒｓ，３ｒｓ）−３−（２′−アミノフエニルチオ）−２−ヒドロキシ−３−（４″−メトキシフエニル）−プロピオン酸メチルエステルの製造法 | |
| FR2505818A1 (fr) | Procede de production d'un biphenyle substitue | |
| FR2783826A1 (fr) | Procede de preparation de 4-hydroxyquinoleines et/ou formes tautomeres | |
| Filler et al. | Synthesis of aromatic α-amino acids via Meerwein arylation | |
| CH666257A5 (fr) | Procede de preparation de 2-halogeno-resorcinols. | |
| JPH0229065B2 (OSRAM) | ||
| FR2850102A1 (fr) | Procede d'acylation de composes aromatiques en presence d'un catalyseur recyclable | |
| FR2505827A1 (fr) | Nouveaux amides n-benzylfluores et leur procede de preparation | |
| FR2830011A1 (fr) | Procede de preparation de n-(omega-bromoalkyl)phtalimides | |
| BE608584A (OSRAM) | ||
| CH420107A (fr) | Procédé de préparation de nouveaux dérivés d'aralcoylaminoalcoylcyclohexanes substitués |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: POUDRERIES REUNIES DE BELGIQUE S.A. Effective date: 19880430 |