FR2483418A1 - Trihalomethylhydroxylactones et un procede pour leur preparation - Google Patents
Trihalomethylhydroxylactones et un procede pour leur preparation Download PDFInfo
- Publication number
- FR2483418A1 FR2483418A1 FR8110349A FR8110349A FR2483418A1 FR 2483418 A1 FR2483418 A1 FR 2483418A1 FR 8110349 A FR8110349 A FR 8110349A FR 8110349 A FR8110349 A FR 8110349A FR 2483418 A1 FR2483418 A1 FR 2483418A1
- Authority
- FR
- France
- Prior art keywords
- cis
- acid
- keto
- preparation
- dimethyl
- 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
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 13
- 239000002253 acid Substances 0.000 claims abstract description 17
- 150000002148 esters Chemical class 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- 239000000460 chlorine Substances 0.000 claims abstract description 7
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 5
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical group CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 19
- 239000002904 solvent Substances 0.000 claims description 13
- 150000003839 salts Chemical class 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 4
- 150000001340 alkali metals Chemical group 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 3
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 3
- 239000012442 inert solvent Substances 0.000 claims description 3
- SYKNUAWMBRIEKB-UHFFFAOYSA-N [Cl].[Br] Chemical group [Cl].[Br] SYKNUAWMBRIEKB-UHFFFAOYSA-N 0.000 claims 1
- 239000002917 insecticide Substances 0.000 abstract description 4
- 239000013067 intermediate product Substances 0.000 abstract description 4
- 239000000047 product Substances 0.000 abstract description 3
- 150000007513 acids Chemical class 0.000 abstract description 2
- 239000002728 pyrethroid Substances 0.000 abstract description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical compound BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 2
- 229910052794 bromium Inorganic materials 0.000 abstract 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 15
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- 238000005481 NMR spectroscopy Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- QKAHKEDLPBJLFD-UHFFFAOYSA-N 6,6-dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione Chemical compound O=C1OC(=O)C2C1C2(C)C QKAHKEDLPBJLFD-UHFFFAOYSA-N 0.000 description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 4
- MSPJNHHBNOLHOC-UHFFFAOYSA-N 3,3-dimethylcyclopropane-1,2-dicarboxylic acid Chemical compound CC1(C)C(C(O)=O)C1C(O)=O MSPJNHHBNOLHOC-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- SAQSTQBVENFSKT-UHFFFAOYSA-M TCA-sodium Chemical compound [Na+].[O-]C(=O)C(Cl)(Cl)Cl SAQSTQBVENFSKT-UHFFFAOYSA-M 0.000 description 3
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- VEMKTZHHVJILDY-UXHICEINSA-N bioresmethrin Chemical compound CC1(C)[C@H](C=C(C)C)[C@H]1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UXHICEINSA-N 0.000 description 3
- YMGUBTXCNDTFJI-UHFFFAOYSA-N cyclopropanecarboxylic acid Chemical compound OC(=O)C1CC1 YMGUBTXCNDTFJI-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000006317 isomerization reaction Methods 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- 230000020477 pH reduction Effects 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- MSPJNHHBNOLHOC-ZXZARUISSA-N (1s,2r)-3,3-dimethylcyclopropane-1,2-dicarboxylic acid Chemical compound CC1(C)[C@H](C(O)=O)[C@@H]1C(O)=O MSPJNHHBNOLHOC-ZXZARUISSA-N 0.000 description 2
- SCXAMTPGGRKRNY-UHFFFAOYSA-N 2-hydroxy-6,6-dimethyl-2-(trichloromethyl)-3-oxabicyclo[3.1.0]hexan-4-one Chemical compound ClC(Cl)(Cl)C1(O)OC(=O)C2C1C2(C)C SCXAMTPGGRKRNY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- -1 alkali metal salt Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- BFAKENXZKHGIGE-UHFFFAOYSA-N bis(2,3,5,6-tetrafluoro-4-iodophenyl)diazene Chemical compound FC1=C(C(=C(C(=C1F)I)F)F)N=NC1=C(C(=C(C(=C1F)F)I)F)F BFAKENXZKHGIGE-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000000749 insecticidal effect Effects 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- UTQNKKSJPHTPBS-UHFFFAOYSA-N 2,2,2-trichloroethanone Chemical group ClC(Cl)(Cl)[C]=O UTQNKKSJPHTPBS-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- JGLMVXWAHNTPRF-CMDGGOBGSA-N CCN1N=C(C)C=C1C(=O)NC1=NC2=CC(=CC(OC)=C2N1C\C=C\CN1C(NC(=O)C2=CC(C)=NN2CC)=NC2=CC(=CC(OCCCN3CCOCC3)=C12)C(N)=O)C(N)=O Chemical compound CCN1N=C(C)C=C1C(=O)NC1=NC2=CC(=CC(OC)=C2N1C\C=C\CN1C(NC(=O)C2=CC(C)=NN2CC)=NC2=CC(=CC(OCCCN3CCOCC3)=C12)C(N)=O)C(N)=O JGLMVXWAHNTPRF-CMDGGOBGSA-N 0.000 description 1
- 101150041968 CDC13 gene Proteins 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
- 239000012346 acetyl chloride Substances 0.000 description 1
- 125000000777 acyl halide group Chemical group 0.000 description 1
- 230000009418 agronomic effect Effects 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000012230 colorless oil Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLSMFKSTNGKWQX-UHFFFAOYSA-N hydroxyacetone Chemical compound CC(=O)CO XLSMFKSTNGKWQX-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- ULKADLGGTPAKSU-UHFFFAOYSA-M sodium;2,2,2-tribromoacetate Chemical compound [Na+].[O-]C(=O)C(Br)(Br)Br ULKADLGGTPAKSU-UHFFFAOYSA-M 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003419 tautomerization reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/93—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C62/00—Compounds having carboxyl groups bound to carbon atoms of rings other than six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C62/18—Saturated compounds containing keto groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8017698 | 1980-05-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2483418A1 true FR2483418A1 (fr) | 1981-12-04 |
| FR2483418B1 FR2483418B1 (cs) | 1983-08-26 |
Family
ID=10513721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8110349A Granted FR2483418A1 (fr) | 1980-05-30 | 1981-05-25 | Trihalomethylhydroxylactones et un procede pour leur preparation |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS5721382A (cs) |
| AR (1) | AR228602A1 (cs) |
| BE (1) | BE888924A (cs) |
| BR (1) | BR8103314A (cs) |
| CA (1) | CA1170663A (cs) |
| CH (1) | CH651301A5 (cs) |
| DE (1) | DE3121177A1 (cs) |
| DK (1) | DK234281A (cs) |
| ES (1) | ES502525A0 (cs) |
| FR (1) | FR2483418A1 (cs) |
| IN (1) | IN157781B (cs) |
| IT (1) | IT1137238B (cs) |
| NL (1) | NL8102596A (cs) |
| SE (1) | SE450121B (cs) |
| ZA (1) | ZA813553B (cs) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5273843A (en) * | 1975-12-17 | 1977-06-21 | Sumitomo Chem Co Ltd | Preparation of 2,2-dimethyl-3-trihalogeno-acetylcyclopropane carboxyli c acid derivatives |
| EP0041283A1 (en) * | 1980-05-30 | 1981-12-09 | Shell Internationale Researchmaatschappij B.V. | Process for the preparation of dihalomethylene-lactones |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2396006A1 (fr) * | 1977-06-27 | 1979-01-26 | Roussel Uclaf | Nouveaux composes a noyau cyclopropanique, procede de preparation et application a la preparation de derives cyclopropaniques a chaine dihalovinyliques |
-
1981
- 1981-05-06 CA CA000377006A patent/CA1170663A/en not_active Expired
- 1981-05-22 BE BE1/10231A patent/BE888924A/nl not_active IP Right Cessation
- 1981-05-25 FR FR8110349A patent/FR2483418A1/fr active Granted
- 1981-05-27 JP JP7947381A patent/JPS5721382A/ja active Granted
- 1981-05-27 IT IT21988/81A patent/IT1137238B/it active
- 1981-05-27 DK DK234281A patent/DK234281A/da not_active Application Discontinuation
- 1981-05-27 SE SE8103371A patent/SE450121B/sv not_active IP Right Cessation
- 1981-05-27 CH CH3502/81A patent/CH651301A5/de not_active IP Right Cessation
- 1981-05-27 ES ES502525A patent/ES502525A0/es active Granted
- 1981-05-27 DE DE19813121177 patent/DE3121177A1/de active Granted
- 1981-05-27 BR BR8103314A patent/BR8103314A/pt not_active IP Right Cessation
- 1981-05-27 AR AR285473A patent/AR228602A1/es active
- 1981-05-27 NL NL8102596A patent/NL8102596A/nl not_active Application Discontinuation
- 1981-05-27 ZA ZA00813553A patent/ZA813553B/xx unknown
- 1981-12-22 IN IN797/DEL/81A patent/IN157781B/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5273843A (en) * | 1975-12-17 | 1977-06-21 | Sumitomo Chem Co Ltd | Preparation of 2,2-dimethyl-3-trihalogeno-acetylcyclopropane carboxyli c acid derivatives |
| EP0041283A1 (en) * | 1980-05-30 | 1981-12-09 | Shell Internationale Researchmaatschappij B.V. | Process for the preparation of dihalomethylene-lactones |
Non-Patent Citations (3)
| Title |
|---|
| CA1978 * |
| EXBK/67 * |
| EXBK/76 * |
Also Published As
| Publication number | Publication date |
|---|---|
| IT8121988A0 (it) | 1981-05-27 |
| CH651301A5 (de) | 1985-09-13 |
| SE450121B (sv) | 1987-06-09 |
| DE3121177C2 (cs) | 1989-07-20 |
| JPS5721382A (en) | 1982-02-04 |
| ZA813553B (en) | 1982-06-30 |
| BR8103314A (pt) | 1982-02-16 |
| DK234281A (da) | 1981-12-01 |
| JPH0148271B2 (cs) | 1989-10-18 |
| FR2483418B1 (cs) | 1983-08-26 |
| IN157781B (cs) | 1986-06-14 |
| CA1170663A (en) | 1984-07-10 |
| SE8103371L (sv) | 1981-12-01 |
| DE3121177A1 (de) | 1982-03-04 |
| ES8207167A1 (es) | 1982-09-01 |
| BE888924A (nl) | 1981-11-23 |
| AR228602A1 (es) | 1983-03-30 |
| ES502525A0 (es) | 1982-09-01 |
| IT1137238B (it) | 1986-09-03 |
| NL8102596A (nl) | 1981-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH627431A5 (fr) | Procede de preparation de nouveaux acides cyclopropane carboxyliques comportant un groupement polyhalogene. | |
| FR2483418A1 (fr) | Trihalomethylhydroxylactones et un procede pour leur preparation | |
| WO2008139057A2 (fr) | Procede de preparation de 2-(n-butyl)-3-(4-hydroxybenzoyl)-5-nitrobenzofurane | |
| FR2481274A1 (fr) | Procede de preparation de derives esters d'acides cyclopropane-carboxyliques | |
| EP0573361B1 (fr) | Procédé de préparation d'esters de l'acide 2,2-diméthyl 3-((Z)-2-(alcoxycarbonyl)ethenyl cyclopropane carboxylique et intermédiaires | |
| FR2483404A1 (fr) | Procede de preparation de 2,2-dihalovinyl-cyclopropanecarboxylates | |
| 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 | |
| US4346038A (en) | Oxabicyclo[3.1.0]hexan-2-ones | |
| US4332730A (en) | Dihalomethylenelactone pyrethroid intermediates | |
| CH630601A5 (en) | Cyclopropanecarboxylic acids containing a polyhalogenated group | |
| EP0589784B1 (fr) | Dérivé du 2-éthyl benzo [b] thiophène, son procédé de préparation et son utilisation comme intermédiaire de synthèse | |
| FR2471360A1 (fr) | Halogenocyclobutanones, procede pour leur preparation et produits intermediaires de leur preparation | |
| EP0043307B1 (fr) | Dérivés cyclopropane-1-carboxyliques et leurs sels, préparation et application à la synthèse d'intermédiaires de pyréthrinoides cis | |
| EP0380393B1 (fr) | Preparation d'esters d'acide-2 chloropropionique | |
| US4267381A (en) | Preparation of side-chain fluorinated 3,3-dimethyl-butan-2-one | |
| FR2505327A1 (fr) | Procede d'halogenation en meta de n-(o,o'-dialkyl phenyl) alaninates et homologues | |
| JPH0528214B2 (cs) | ||
| GB2076818A (en) | Trihalomethylhydroxylactones and keto acids | |
| FR2689125A1 (fr) | Procédé de préparation de dérivés d'acides gras halogénophénoxyles par halogénation sélective et dérivés d'acides gras halogénophénoxyles. | |
| FR2483419A1 (fr) | Procede de preparation de la n-(2-(2-thenoyl)-thiopropionyl)-glicine | |
| JPH0226612B2 (cs) | ||
| JPH05230010A (ja) | パラクロロフェニルカルバミン酸エステルの製造方法 | |
| FR2473040A1 (fr) | A-oxonitriles, leur preparation et leur utilisation dans la preparation d'esters cyclopropane-carboxyliques biocides | |
| CH284719A (fr) | Procédé de préparation d'un acylamidodiol aromatique, nitré dans le noyau. | |
| BE659656A (cs) |