BE571889A - - Google Patents
Info
- Publication number
- BE571889A BE571889A BE571889DA BE571889A BE 571889 A BE571889 A BE 571889A BE 571889D A BE571889D A BE 571889DA BE 571889 A BE571889 A BE 571889A
- Authority
- BE
- Belgium
- Prior art keywords
- nickel
- acid
- ester
- carbonyl
- reaction
- Prior art date
Links
- AWDHUGLHGCVIEG-UHFFFAOYSA-N Nickel tetracarbonyl Chemical group O#C[Ni](C#O)(C#O)C#O AWDHUGLHGCVIEG-UHFFFAOYSA-N 0.000 claims description 55
- 238000006243 chemical reaction Methods 0.000 claims description 45
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 32
- 239000002253 acid Substances 0.000 claims description 28
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 24
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 22
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 22
- 150000001805 chlorine compounds Chemical class 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 17
- 150000002148 esters Chemical class 0.000 claims description 13
- -1 MgCO Substances 0.000 claims description 11
- 125000004432 carbon atoms Chemical group C* 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000003153 chemical reaction reagent Substances 0.000 claims description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- SKRDXYBATCVEMS-UHFFFAOYSA-N Isopropyl nitrite Chemical compound CC(C)ON=O SKRDXYBATCVEMS-UHFFFAOYSA-N 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M buffer Substances [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- ODLGSRPFJDMGNW-UHFFFAOYSA-N methyl hexa-2,5-dienoate Chemical compound COC(=O)C=CCC=C ODLGSRPFJDMGNW-UHFFFAOYSA-N 0.000 claims description 4
- JJQSBNTVMVAYCU-SNAWJCMRSA-N (2E)-hexa-2,5-dienoic acid Chemical compound OC(=O)\C=C\CC=C JJQSBNTVMVAYCU-SNAWJCMRSA-N 0.000 claims description 3
- OISXOUGTIYAWAZ-UHFFFAOYSA-N 7-cyanohepta-2,5-dienoic acid Chemical compound OC(=O)C=CCC=CCC#N OISXOUGTIYAWAZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000001476 alcoholic Effects 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 2
- 239000000376 reactant Substances 0.000 claims 2
- RNVCRFXUWMKKLD-UHFFFAOYSA-N C(#N)CC=CCC=CC(=O)OC Chemical compound C(#N)CC=CCC=CC(=O)OC RNVCRFXUWMKKLD-UHFFFAOYSA-N 0.000 claims 1
- SYWUWNJPSYGAMT-UHFFFAOYSA-N CCOC(=O)C=CCC=C Chemical compound CCOC(=O)C=CCC=C SYWUWNJPSYGAMT-UHFFFAOYSA-N 0.000 claims 1
- XVAGYIJSYPMQSV-UHFFFAOYSA-N COC(C=CCC=CCOC(C)=O)=O Chemical compound COC(C=CCC=CCOC(C)=O)=O XVAGYIJSYPMQSV-UHFFFAOYSA-N 0.000 claims 1
- JHIVVAPYMSGYDF-UHFFFAOYSA-N Cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims 1
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- 235000010216 calcium carbonate Nutrition 0.000 claims 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- AEKZTVSCWKESCZ-UHFFFAOYSA-N methyl hepta-2,5-dienoate Chemical compound COC(=O)C=CCC=CC AEKZTVSCWKESCZ-UHFFFAOYSA-N 0.000 claims 1
- LRTLAELVYTXSND-UHFFFAOYSA-N propan-2-yl hexa-2,5-dienoate Chemical compound CC(C)OC(=O)C=CCC=C LRTLAELVYTXSND-UHFFFAOYSA-N 0.000 claims 1
- 125000001424 substituent group Chemical group 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 60
- 239000000243 solution Substances 0.000 description 40
- 239000000047 product Substances 0.000 description 32
- 229920001098 polystyrene-block-poly(ethylene/propylene) Polymers 0.000 description 30
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 27
- 239000007789 gas Substances 0.000 description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- 239000000203 mixture Substances 0.000 description 16
- QMMRZOWCJAIUJA-UHFFFAOYSA-L Nickel(II) chloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 15
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 14
- 229910052759 nickel Inorganic materials 0.000 description 13
- DEMIMHOMFTVNDW-UHFFFAOYSA-N ClC(=CCC)C#N Chemical compound ClC(=CCC)C#N DEMIMHOMFTVNDW-UHFFFAOYSA-N 0.000 description 12
- 238000009835 boiling Methods 0.000 description 11
- 238000005984 hydrogenation reaction Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 11
- 238000003786 synthesis reaction Methods 0.000 description 11
- 230000002194 synthesizing Effects 0.000 description 11
- 150000004702 methyl esters Chemical class 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- OSDWBNJEKMUWAV-UHFFFAOYSA-N Allyl chloride Chemical compound ClCC=C OSDWBNJEKMUWAV-UHFFFAOYSA-N 0.000 description 9
- 235000019441 ethanol Nutrition 0.000 description 8
- KFZMGEQAYNKOFK-UHFFFAOYSA-N iso-propanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
- 238000007792 addition Methods 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- WVDDGKGOMKODPV-UHFFFAOYSA-N benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- YTKRILODNOEEPX-NSCUHMNNSA-N Crotyl chloride Chemical compound C\C=C\CCl YTKRILODNOEEPX-NSCUHMNNSA-N 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- BJEYNNFDAPPGST-UHFFFAOYSA-N Oxirene Chemical group O1C=C1 BJEYNNFDAPPGST-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 238000005660 chlorination reaction Methods 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L na2so4 Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- 238000007086 side reaction Methods 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- FUZZWVXGSFPDMH-UHFFFAOYSA-N Hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 3
- ZLNQQNXFFQJAID-UHFFFAOYSA-L Magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 150000002440 hydroxy compounds Chemical class 0.000 description 3
- 239000011776 magnesium carbonate Substances 0.000 description 3
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 3
- 235000014380 magnesium carbonate Nutrition 0.000 description 3
- 238000005292 vacuum distillation Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- ZSICFCMWVFZGNU-UHFFFAOYSA-N 1-chlorobut-1-enyl acetate Chemical compound CCC=C(Cl)OC(C)=O ZSICFCMWVFZGNU-UHFFFAOYSA-N 0.000 description 2
- KOVPXZDUVJGGFU-UHFFFAOYSA-M 8-methoxy-8-oxooctanoate Chemical class COC(=O)CCCCCCC([O-])=O KOVPXZDUVJGGFU-UHFFFAOYSA-M 0.000 description 2
- SESFRYSPDFLNCH-UHFFFAOYSA-N Benzyl benzoate Chemical compound C=1C=CC=CC=1C(=O)OCC1=CC=CC=C1 SESFRYSPDFLNCH-UHFFFAOYSA-N 0.000 description 2
- HPXRVTGHNJAIIH-UHFFFAOYSA-N Cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 2
- MNWFXJYAOYHMED-UHFFFAOYSA-N Heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 description 2
- 235000019445 benzyl alcohol Nutrition 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L cacl2 Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000012442 inert solvent Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- LDUHAFLJGKEHMD-NSCUHMNNSA-N methyl (E)-5-chloropent-3-enoate Chemical compound COC(=O)C\C=C\CCl LDUHAFLJGKEHMD-NSCUHMNNSA-N 0.000 description 2
- GCYDJSKTCBITBG-UHFFFAOYSA-N methyl hepta-2,4-dienoate Chemical compound CCC=CC=CC(=O)OC GCYDJSKTCBITBG-UHFFFAOYSA-N 0.000 description 2
- VMWYVTOHEQQZHQ-UHFFFAOYSA-N methylidynenickel Chemical compound [Ni]#[C] VMWYVTOHEQQZHQ-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 238000007127 saponification reaction Methods 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000001131 transforming Effects 0.000 description 2
- FQDIANVAWVHZIR-OWOJBTEDSA-N 1,4-Dichlorobut-2-ene Chemical compound ClC\C=C\CCl FQDIANVAWVHZIR-OWOJBTEDSA-N 0.000 description 1
- CQOPCTCBCDISOF-UHFFFAOYSA-N 1-hydroxybut-1-enyl acetate Chemical compound CCC=C(O)OC(C)=O CQOPCTCBCDISOF-UHFFFAOYSA-N 0.000 description 1
- FDPIMTJIUBPUKL-UHFFFAOYSA-N 3-Pentanone Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 1
- PMXVZMAQFPFNFG-UHFFFAOYSA-N ClCC(=O)OC=CCC Chemical compound ClCC(=O)OC=CCC PMXVZMAQFPFNFG-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N Hypochlorous acid Chemical class ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- AIYYMMQIMJOTBM-UHFFFAOYSA-L Nickel(II) acetate Chemical compound [Ni+2].CC([O-])=O.CC([O-])=O AIYYMMQIMJOTBM-UHFFFAOYSA-L 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L Nickel(II) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- ZVQOOHYFBIDMTQ-UHFFFAOYSA-N [methyl-oxo-[1-[6-(trifluoromethyl)pyridin-3-yl]ethyl]-$l^{6}-sulfanylidene]cyanamide Chemical compound N#CN=S(C)(=O)C(C)C1=CC=C(C(F)(F)F)N=C1 ZVQOOHYFBIDMTQ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000000475 acetylene derivatives Chemical group 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000000746 allylic group Chemical group 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007033 dehydrochlorination reaction Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012259 ether extract Substances 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- SODMOUXEPOJRRF-UHFFFAOYSA-N hepta-2,5-dienoic acid Chemical compound CC=CCC=CC(O)=O SODMOUXEPOJRRF-UHFFFAOYSA-N 0.000 description 1
- DBYJIWYDEHDKJS-UHFFFAOYSA-N hexa-2,5-dien-1-ol Chemical compound OCC=CCC=C DBYJIWYDEHDKJS-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000007038 hydrochlorination reaction Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atoms Chemical class [H]* 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 1
- NUKZAGXMHTUAFE-UHFFFAOYSA-N methyl hexanoate Chemical compound CCCCCC(=O)OC NUKZAGXMHTUAFE-UHFFFAOYSA-N 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 229940078494 nickel acetate Drugs 0.000 description 1
- ZVHVRQOGCXCNDC-UHFFFAOYSA-N oxomethylidenenickel Chemical compound O=C=[Ni] ZVHVRQOGCXCNDC-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000001187 sodium carbonate Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE571889A true BE571889A (nl) |
Family
ID=189917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE571889D BE571889A (nl) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE571889A (nl) |
-
0
- BE BE571889D patent/BE571889A/fr unknown
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