WO2006125888A2 - Procede de preparation de composes organosiliciques en milieu biphasique - Google Patents
Procede de preparation de composes organosiliciques en milieu biphasique Download PDFInfo
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- WO2006125888A2 WO2006125888A2 PCT/FR2006/001108 FR2006001108W WO2006125888A2 WO 2006125888 A2 WO2006125888 A2 WO 2006125888A2 FR 2006001108 W FR2006001108 W FR 2006001108W WO 2006125888 A2 WO2006125888 A2 WO 2006125888A2
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 56
- 239000007800 oxidant agent Substances 0.000 claims abstract description 41
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 claims abstract description 36
- 239000002243 precursor Substances 0.000 claims abstract description 26
- 230000001590 oxidative effect Effects 0.000 claims abstract description 25
- 239000008346 aqueous phase Substances 0.000 claims abstract description 21
- 125000000717 hydrazino group Chemical group [H]N([*])N([H])[H] 0.000 claims abstract description 4
- -1 polysiloxane residue Polymers 0.000 claims description 54
- 230000008569 process Effects 0.000 claims description 38
- 150000003961 organosilicon compounds Chemical class 0.000 claims description 37
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 34
- 229920006395 saturated elastomer Polymers 0.000 claims description 34
- 125000002837 carbocyclic group Chemical group 0.000 claims description 30
- 239000012074 organic phase Substances 0.000 claims description 27
- 150000003254 radicals Chemical class 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 125000003118 aryl group Chemical group 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 19
- 239000002671 adjuvant Substances 0.000 claims description 16
- 239000000460 chlorine Substances 0.000 claims description 16
- 125000001931 aliphatic group Chemical group 0.000 claims description 15
- 229910004283 SiO 4 Inorganic materials 0.000 claims description 13
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 13
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 13
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 13
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 12
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 12
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 12
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 12
- 125000002950 monocyclic group Chemical group 0.000 claims description 12
- 125000003367 polycyclic group Chemical group 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 claims description 10
- 239000007853 buffer solution Substances 0.000 claims description 10
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 125000003545 alkoxy group Chemical group 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 150000004756 silanes Chemical class 0.000 claims description 8
- 238000011282 treatment Methods 0.000 claims description 8
- 239000003153 chemical reaction reagent Substances 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 7
- 239000012429 reaction media Substances 0.000 claims description 7
- 125000001424 substituent group Chemical group 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 6
- 150000001282 organosilanes Chemical class 0.000 claims description 6
- 150000005840 aryl radicals Chemical class 0.000 claims description 5
- 230000002051 biphasic effect Effects 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims description 4
- 125000002947 alkylene group Chemical group 0.000 claims description 4
- 150000002430 hydrocarbons Chemical group 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 4
- CRWJEUDFKNYSBX-UHFFFAOYSA-N sodium;hypobromite Chemical compound [Na+].Br[O-] CRWJEUDFKNYSBX-UHFFFAOYSA-N 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- IYABWNGZIDDRAK-UHFFFAOYSA-N allene Chemical group C=C=C IYABWNGZIDDRAK-UHFFFAOYSA-N 0.000 claims description 3
- 125000004429 atom Chemical group 0.000 claims description 3
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 3
- 150000001642 boronic acid derivatives Chemical class 0.000 claims description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 3
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
- 150000007530 organic bases Chemical class 0.000 claims description 3
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 3
- 235000021317 phosphate Nutrition 0.000 claims description 3
- 239000008363 phosphate buffer Substances 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- YRIZYWQGELRKNT-UHFFFAOYSA-N 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione Chemical compound ClN1C(=O)N(Cl)C(=O)N(Cl)C1=O YRIZYWQGELRKNT-UHFFFAOYSA-N 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910019093 NaOCl Inorganic materials 0.000 claims description 2
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 claims description 2
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 2
- 125000000732 arylene group Chemical group 0.000 claims description 2
- 150000001649 bromium compounds Chemical class 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 125000002993 cycloalkylene group Chemical group 0.000 claims description 2
- 125000005842 heteroatom Chemical group 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- TWBYWOBDOCUKOW-UHFFFAOYSA-N isonicotinic acid Chemical class OC(=O)C1=CC=NC=C1 TWBYWOBDOCUKOW-UHFFFAOYSA-N 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 235000001968 nicotinic acid Nutrition 0.000 claims description 2
- 239000011664 nicotinic acid Substances 0.000 claims description 2
- 150000002825 nitriles Chemical class 0.000 claims description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 125000004434 sulfur atom Chemical group 0.000 claims description 2
- 229950009390 symclosene Drugs 0.000 claims description 2
- IXZDIALLLMRYOU-UHFFFAOYSA-N tert-butyl hypochlorite Chemical compound CC(C)(C)OCl IXZDIALLLMRYOU-UHFFFAOYSA-N 0.000 claims description 2
- 239000002585 base Substances 0.000 claims 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
- 239000003513 alkali Substances 0.000 claims 2
- 239000002245 particle Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 8
- 238000003786 synthesis reaction Methods 0.000 abstract description 5
- 239000012071 phase Substances 0.000 abstract description 2
- 229910020485 SiO4/2 Inorganic materials 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 21
- 239000000243 solution Substances 0.000 description 17
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 7
- 239000007844 bleaching agent Substances 0.000 description 7
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 7
- 229910052794 bromium Inorganic materials 0.000 description 7
- 125000004432 carbon atom Chemical group C* 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 7
- 238000005481 NMR spectroscopy Methods 0.000 description 6
- 239000012467 final product Substances 0.000 description 6
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 125000003710 aryl alkyl group Chemical group 0.000 description 3
- 238000006482 condensation reaction Methods 0.000 description 3
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 3
- 229910000396 dipotassium phosphate Inorganic materials 0.000 description 3
- 235000019797 dipotassium phosphate Nutrition 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 125000000753 cycloalkyl group Chemical group 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 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 2
- 238000002156 mixing Methods 0.000 description 2
- 125000006606 n-butoxy group Chemical group 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- 125000006176 2-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004493 2-methylbut-1-yl group Chemical group CC(C*)CC 0.000 description 1
- 125000005917 3-methylpentyl group Chemical group 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- WRYCSMQKUKOKBP-UHFFFAOYSA-N Imidazolidine Chemical compound C1CNCN1 WRYCSMQKUKOKBP-UHFFFAOYSA-N 0.000 description 1
- 229910020175 SiOH Inorganic materials 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 125000004423 acyloxy group Chemical group 0.000 description 1
- 125000005073 adamantyl group Chemical group C12(CC3CC(CC(C1)C3)C2)* 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 125000000304 alkynyl group Chemical group 0.000 description 1
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 1
- 239000012062 aqueous buffer Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000004104 aryloxy group Chemical group 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000000392 cycloalkenyl group Chemical group 0.000 description 1
- 125000000000 cycloalkoxy group Chemical group 0.000 description 1
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000000640 cyclooctyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 231100000584 environmental toxicity Toxicity 0.000 description 1
- RSIHJDGMBDPTIM-UHFFFAOYSA-N ethoxy(trimethyl)silane Chemical compound CCO[Si](C)(C)C RSIHJDGMBDPTIM-UHFFFAOYSA-N 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 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
- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
- 150000008040 ionic compounds Chemical class 0.000 description 1
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000005244 neohexyl group Chemical group [H]C([H])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- USPWKWBDZOARPV-UHFFFAOYSA-N pyrazolidine Chemical compound C1CNNC1 USPWKWBDZOARPV-UHFFFAOYSA-N 0.000 description 1
- 239000012465 retentate Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
Classifications
-
- 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
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
-
- 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
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
-
- 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
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
Definitions
- the field of the invention is that of the synthesis of functionalized organosilicon compounds.
- the organosilicon compounds more particularly concerned by the invention are those comprising at least one activated azo group. This activation may result, for example, from the presence of neighboring carbonyl groups of the nitrogens.
- the organosilicon portion of these compounds may comprise, for example, hydrolysable or condensable groups of the type ⁇ SiOR or ⁇ SiOH.
- Such activated azo group (s) organosilicon compounds are very useful, especially in the synthesis of active organic molecules (for example nitrogenous heterocycles). useful in the fields of agrochemistry and pharmaceuticals, for example as dienophiles in reaction of hetero-Diels Aider.
- X and X 1 are identical or different and each represents an imino group, an oxygen atom or a substituted or unsubstituted methylene group; Y is a substituted or unsubstituted alkyl, aryl or aralkyl group, or is the same as Z *; Z * is an alkyl, aryl or aralkyl group which has as substituent at least one silane group of formula Si (OR) 3 or OSi (OR) 3 in which R is a straight or branched chain alkyl group, preferably with 1 to 6 carbon atoms.
- R 1 * -O-CO-N N-CO-NH- (C 6 H 6 ) - (CH 2 ) m -Si (OR 2 * ) 3
- R 1 * - O-CO-N N-CO-NH- (CH 2)
- n -Si (oR 2 *) 3 in which R 1 * and R 2 * are identical or different and each represents a straight-chain or branched alkyl group containing preferably between 1 and 6 carbon atoms, m is 0, 1, 2 or 3 and n is 1, 2 or 3, are mentioned.
- Example 3 of FR-A-2340323 provides for the implementation of an organic precursor solution Ethyl-O-CO-HN-NH-CO-NH- (CH 2 ) 3 -
- the NBS-pyridine oxidizing system is in excess (10 mol%) relative to the precursor.
- one of the essential objectives of the present invention is to propose an improved process for the preparation of organosilicic compounds containing azo group (s), by oxidation of the hydrazino group of a precursor in an azo group, this process providing a route of access to the compounds of interest, avoiding the implementation of rigorously anhydrous operating conditions and / or the filtration step for separating the salts generated by the reaction.
- Another essential objective of the invention is to provide a process for the preparation of organosilicic compounds with azo group (s), which are more stable, especially at high temperatures, for example between 80 and 180 ° C. (differential scanning calorimetry stability DSC ).
- Another essential objective of the invention is to provide a preparation method organosilic compounds with azo group (s), which are more efficient than those disclosed in the prior art especially in terms of productivity and azoalcoxysilane yield referred.
- Another essential objective of the present invention is to provide an economical process for the preparation of organosilicic compounds with azo group (s).
- Another essential objective of the invention is to provide a process for the preparation of organosilicon compounds containing azo group (s), which makes it possible to optimize the quality of the final product, in particular as regards the purity of these compounds, and especially in terms of reducing or even eliminating unwanted residues, particularly in terms of the desired performance in applications and industrial and environmental hygiene.
- organosilicon compounds comprising one or more compounds, which are identical or different from each other, of formula (I) below :
- - a ' represents an integer selected from 0, 1 and 2;
- G 0 which may be identical or different, each represent one of the groups corresponding to G 2 or G 1 ;
- the symbols G 2 which may be identical or different, each represent: a hydroxyl group, a hydrolysable monovalent group or two G 2 together with the silicon to which they are bonded form a ring having 3 to 5 hydrocarbon-bearing members and which may comprise at least one heteroatom, at least one of these links may also be a link of at least one other hydrocarbon or aromatic ring;
- the symbols G 1 which may be identical or different, each represent: a saturated or unsaturated aliphatic hydrocarbon group; a carbocyclic group, saturated or unsaturated and / or aromatic, monocyclic or polycyclic; or a group representing a saturated or unsaturated aliphatic hydrocarbon portion and a carbocyclic moiety as defined above;
- the symbol Z represents a divalent radical chosen from: a saturated or unsaturated aliphatic hydrocarbon group; a carbocyclic group, saturated, unsaturated and / or aromatic, monocyclic or polycyclic; and a group having a saturated or unsaturated ali
- an aliphatic hydrocarbon group saturated or unsaturated; a carbocyclic group, saturated or unsaturated and / or aromatic, monocyclic or polycyclic; or a group representing a saturated or unsaturated aliphatic hydrocarbon portion and a carbocyclic moiety as defined above;
- X represents -O-, -S- or -NG 4 - with G 4 taking any of the meanings given above for G 1 ;
- G 3 identical to or different from G 4 , represents any one of the groups defined for G 1 ;
- G o 4-P iSi (G 2 ') p i
- G ° which may be identical or different, each represent: a saturated or unsaturated aliphatic hydrocarbon group; a carbocyclic group, saturated or unsaturated and / or aromatic, monocyclic or polycyclic; or a group representing a saturated or unsaturated aliphatic hydrocarbon portion and a carbocyclic moiety as defined above; or a polysiloxane residue;
- this method being characterized in that the oxidation is carried out in aqueous / organic biphasic medium and in that the pH of the aqueous phase is made between 3 and 11, preferably between 5 and 9.
- This process consists in operating in two-phase water / organic solvent medium.
- the transformation of the precursors (II) into activated azo group (s) (I) organosilicon compounds is carried out in the organic phase, while the aqueous phase solubilizes the various water-soluble compounds generated by the transformation.
- ionic compounds the acids in particular are known to be particularly well soluble in the aqueous phase. It is therefore preferable in accordance with the invention for the process which it concerns to provide for the use of an aqueous phase whose pH remains between 3 and 11 during the reaction and preferably between 5 and 9. for example, it could be advantageous to use an aqueous solution whose pH would remain close to neutral (pH ⁇ 7) during the reaction.
- the process according to the invention improves the prior art by making it possible to overcome the very heavy industrial constraints related to the implementation of anhydrous conditions and / or a filtration step and / or a solid reagent.
- these compounds (I) obtained by the process according to the invention are remarkably pure. In particular, these compounds have little or no (undetectable traces) of undesirable residues, such as pyridine residues.
- this purity is at the origin of the excellent stability found for these compounds (I) from the biphasic process according to the invention.
- stability is meant especially storage stability especially in wet conditions, but especially heat stability.
- One of the means recommended according to the invention for controlling, if necessary, the pH of the aqueous phase consists in the implementation of at least one buffer system and / or in the addition of at least one base and or at least one acid.
- the buffer system can be chosen from the group comprising phosphate, borate and carbonate buffers and mixtures thereof. According to the invention, it is appropriate to select the oxidant (Ox) among oxidants capable of oxidizing a hydrazine function azo function and may lead to acid production.
- halogenated e.g., chlorinated
- Oxidants of the type are the oxidants of choice according to the invention. These are both oxidants and bases capable of neutralizing, if necessary, the acidity that they are likely to generate by combining their halogen with an H +. These oxidants (OxI) do not therefore require the implementation of a complementary base.
- the base B ° is preferably cast substantially simultaneously with the oxidant (0x2), preferably progressively.
- (B 0 ) and (Ox) are added simultaneously, in small amounts (eg dropwise) and very slowly (a few minutes to several hours, eg 0.5-2 hours) to the reaction mixture.
- the oxidant (Ox) is (are) used in stoichiometric quantities relative to the precursor (II).
- the reaction is then carried out in the reaction medium, preferably kept under stirring and at room temperature, for several hours (eg 2-4h) after the end of the addition of the oxidant (Ox) .
- the organic phase is then separated, dried and filtered before being concentrated e.g. under reduced pressure.
- the base (B 0) or (B) is used in a stoichiometric amount relative to the amount of acid released by the reaction.
- the choice of the base (B °) or the base (B 1 ) is preferably carried out among the mineral bases, preferably in the group comprising: carbonates, phosphates (eg K 2 HPO 4 ), borates, soda and mixtures thereof.
- the reaction medium comprises at least the organic adjuvant (A), preferably selected from organic bases, more preferably still from nitrogenous bases and even more preferably, from those whose pK a is lower than the pH of the aqueous phase.
- A organic adjuvant
- These adjuvants (A) may have, in particular to further improve the quality of the final product, can be introduced into the reaction medium.
- These adjuvants (A) are advantageously organic compounds.
- this organic adjuvant (A) is selected from organic bases, more preferably still from nitrogenous bases and even more preferably from among those whose pK a is lower than the pH of the aqueous phase.
- the pyridine whose pK a is 5 can be advantageously chosen in the case of the implementation of an aqueous phase of pH ⁇ 7.
- the adjuvant (A) is more especially chosen from the group comprising: pyridine, quinoline, nicotinate or isonicotinate derivatives and mixtures thereof.
- the additive (A) is preferably present in a molar ratio (A) / (II) between 1.10 "4 and 2, preferably between 1.10" and 1.0 2.
- adjuvant (s) (A) in the reaction medium is possible irrespective of the oxidant: OxI, 0x2, 0x3 or 0x4.
- oxidant eg bleach
- auxiliary at a ratio (A) / auxiliary of between 0.1 and 2.0, preferably substantially equal to 1.
- the method according to the invention of preparation of azo (I) -organosilicic compounds may be part of a synthetic process comprising at least the following steps: (i): a precursor silane of formula (IV) is reacted with:
- step (ii) corresponds to the preparation process according to the present invention.
- organosilicon compounds with an azo (I) group in the structure of which the symbol Z then represents the divalent radical - (CH 2 ) S -NH-
- the synthetic scheme that is applied may be the following (i): a precursor silane of formula (IV) is reacted:
- Organosilicon compound recovery with activated azo group (I) Organosilicon compound recovery with activated azo group (I). It should be noted that prior to the extraction of the aqueous phase, the biphasic reaction medium of the process according to the invention may for example be in the form of an organic phase emulsion in the aqueous phase.
- the organosilicon compound with an activated azo group (I) obtained is advantageously essentially, or even exclusively, present in the organic phase.
- This purification post-treatment consists in recovering the organosilicon compounds of formula (I) obtained, this recovery comprising at least one separation of the organic phase, optionally at least one filtration and / or at least one concentration of the separated organic phase.
- the post-treatment consists essentially of: a) mixing an ion-affinity support, preferably carbon black, with an organic filler solution, in a proportion of 0.1 to 20% by weight, preferably 1 to 10% by weight of ionic carrier with respect to the filler, b) to be left in contact preferably with stirring for a few minutes to several hours, c) to separate the carrier loaded with impurities from the filler solution, preferably by filtration, d) removing the solvent preferably by evaporation, e) mixing a chemical-affinity support, preferably an acidic resin (preferably a slightly acidic resin of type IR50), with an organic solution of the filler, in a proportion of 0.01 to 10% by weight, preferably in a proportion of 0.1 to 5% by weight of support with a chemical affinity relative to the load agent, f) at the in contact, preferably with stirring for a few minutes to several hours, g) separating the carrier loaded with impurities from the filler solution, preferably by filtration
- steps a) to d) constitute a first treatment and steps e) to h) a second treatment, these two treatments can be implemented successively in any order or simultaneously.
- the post-processing implemented in the method according to the invention comprises only one of these two treatments a) to d), on the one hand, and e) to h), of somewhere else. Beyond the general operating conditions described above, it is necessary to dwell a little more on the compounds (I) organosilicic functional group (s) azo activated (I) 5 obtained or likely to be obtained by this process according to the invention.
- these compounds (I) are free or virtually free (undetectable traces) of impurities, especially pyridine residues.
- the invention thus aims as new products, compounds (I) organosilicic functional group (s) azo activated (s) (I), obtainable by the method according to the invention characterized in that they are free or virtually free (undetectable traces) of impurities, including pyridine residues.
- organosilicon compounds (I) with activated azo functional group (s) (I) are also characterized in that they are heat stable. eg at temperatures between 80-180 0 C.
- the invention also concerns, as new products, the organosilicon compounds (I) with activated azo functional group (s) (I) characterized by a degree of hydrolysis / condensation (% molar) of the functions. G 2 less than or equal to 40, preferably 10, and even more preferably 1.
- aliphatic hydrocarbon group is meant, in the sense of the invention, a linear or branched group, preferably comprising from 1 to 25 carbon atoms, optionally substituted.
- said aliphatic hydrocarbon group comprises from 1 to 18 carbon atoms, better still from 1 to 8 carbon atoms and better still from 1 to 6 carbon atoms.
- alkyl groups such as the methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, t-butyl, pentyl, isopentyl, neopentyl, 2-methylbutyl and 1-ethylpropyl radicals.
- hexyl isohexyl, neohexyl, 1-methylpentyl, 3-methylpentyl, 1,1-dimethylbutyl, 1,3-dimethylbutyl, 2-ethylbutyl, 1-methyl-1-ethylpropyl, heptyl, 1-methylhexyl, 1-p-butyl, 4 , 4-dimethylpentyl, octyl, 1-methylheptyl, 2-ethylhexyl, 5,5-dimethylhexyl, nonyl, decyl, 1-methylnonyl, 3,7-dimethyloctyl and 7,7-dimethyloctyl, hexadecyl.
- the unsaturated aliphatic hydrocarbon groups comprise one or more unsaturations, preferably one, two or three unsaturations of the ethylenic (double bond) or / and acetylenic (triple bond) type.
- Examples are alkenyl or alkynyl groups derived from the alkyl groups defined above by removal of two or more hydrogen atoms. So Preferred, the unsaturated aliphatic hydrocarbon groups comprise a single unsaturation.
- the term "carbocyclic group” means a monocyclic or polycyclic radical, optionally substituted, preferably C 3 -C 5O .
- it is a C 3 -C 18 radical, preferably mono-, bi- or tricyclic.
- the carbocyclic group comprises more than one ring nucleus (case of polycyclic carbocycles)
- the cyclic rings are condensed in pairs. Two fused rings may be ortho-condensed or pericondensed.
- the carbocyclic group may comprise, unless otherwise indicated, a saturated portion and / or an aromatic moiety and / or an unsaturated moiety.
- saturated carbocyclic groups are cycloalkyl groups.
- the cycloalkyl groups are C 3 -C 18 , more preferably C 5 -C 10 . Mention may in particular be made of cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, adamantyl or norbornyl radicals.
- the unsaturated carbocycle or any unsaturated carbocyclic moiety has one or more ethylenic unsaturations, preferably one, two or three. It advantageously has from 6 to 50 carbon atoms, more preferably from 6 to 20, for example from 6 to 18. Examples of unsaturated carbocycles are C 6 -C 10 cycloalkenyl groups.
- aromatic carbocyclic radicals are (C 6 -C 18 ) aryl groups, more preferably (C 6 -C 12 ) aryl and especially phenyl, naphthyl, anthryl and phenanthryl.
- a group having both a hydrocarbon aliphatic moiety as defined above and a carbocyclic moiety as defined above is, for example, an arylalkyl group such as benzyl, or an alkylaryl group such as tolyl.
- the substituents of the hydrocarbon aliphatic groups or moieties and carbocyclic groups or moieties are, for example, alkoxy groups in which the alkyl moiety is preferably as defined above.
- such a hydrolysable monovalent group is a radical: alkoxy, linear or branched, C 1 -C 8 optionally halogenated and / or optionally substituted with one or more (C 1 -C 8 ) alkoxy; C 2 -C 9 acyloxy optionally halogenated or optionally substituted by one or more (C 1 -C 8 ) COXy; C 5 -C 10 cycloalkyloxy; aryloxy or C 6 -C 1S.
- the hydrolysable group is methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, methoxymethoxy, ethoxyethoxy, methoxyethoxy, ⁇ -chloropropoxy or ⁇ -chloroethoxy or else acetoxy.
- G 1 which may be identical or different, each represent: a linear or branched C 1 -C 8 alkyl radical, a C 5 -C 10 cycloalkyl radical or a C 6 -C 18 aryl radical;
- G 2 which are identical or different, each represents: an alkoxy radical, linear or branched C 1 C6 alkyl optionally substituted by one or more (C 1 - C 8) alkoxy;
- Z represents the divalent radical Z'-Z "- where: Z 'represents: a C 1 -C 8 alkylene chain, a saturated C 5 -C 10 cycloalkylene group, a C 6 -C 18 arylene group; or a divalent group consisting of a combination of at least two of these radicals;
- A denotes a group -OG 3 or -NG 4 G 3 where G 3 and G 4 , which are identical to or different from each other, each represent: a linear or branched C 1 -C 8 alkyl radical or a C 5 cycloalkyl radical; 5 -C 1O aryl radical or a C 6 -C 1S in most preferred forms F2 of the formula (I).:
- the symbols G 0 which are identical or different, correspond to the same definition as that given below for the radicals G or G;
- the symbols G 1 which are identical or different, are chosen from the group formed by the methyl and ethyl radicals; propyl, isopropyl, cyclohexyl and phenyl;
- the symbols G 2 which are identical or different, are chosen from the group formed by the methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, methoxymethoxy, ethoxyethoxy and methoxyethoxy radicals;
- Z represents the divalent Z'-Z radical; - or :
- Z ' represents: a C 1 -C 8 alkylene chain
- A denotes a group -OG 3 or -NG 4 G 3 where G 3 and G 4 , which are identical or different from each other, are chosen from the group formed by the methyl, ethyl, propyl, isopropyl, cyclohexyl and phenyl radicals.
- Z ' is selected from the group consisting of divalent methylene, ethylene and propylene radicals
- - Z "represents: -O- or -NR 4 - with R 4 being a hydrogen atom;
- A denotes a group -OG 3 where G 3 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, cyclohexyl and phenyl.
- the functionalized organosilicon compounds of general formula (I) are chosen from the group of the following species:
- the quantity of additional reagent (III) used is not critical, but it is preferable, in accordance with the invention, for this quantity, relative to the precursor (II), to be at least 0.1 M, preferably from at least 1M up to 100M or more, and even more preferably between 1 and 1OM.
- additional reagent (III) is trimethylethoxysilane.
- organosilicon compounds according to the invention comprise at least one mixture (3i) including compounds (i) and / or (2i.l) and / or (2i.2) of formula (I) in which :
- Z ' is selected from the group consisting of divalent methylene, ethylene and propylene radicals; - R 4 is a hydrogen atom.
- the invention also relates to organosilicon compounds of general formula (I), obtainable by the method according to the invention, taken in themselves and selected from the group of the following species:
- the compounds produced are silanes of the species (i) or, in other words, those corresponding to the following formula (I 1 ):
- a represents an integer selected from 1, 2 and 3;
- a ' represents an integer selected from O, 1 and 2;
- the organic phase is separated, dried over MgSO 4 and filtered before being concentrated under reduced pressure.
- the organic phase is separated, dried over MgSO 4 and filtered before being concentrated under reduced pressure.
- Example 2 is repeated but using only 113 mg (1.42 mmol) of pyridine instead of 2.25 g.
- the organic phase is separated, dried over MgSO 4 and filtered before being concentrated under reduced pressure.
- NMR H shows that the conversion of the compound (II) is substantially complete and that the azo function has been formed selectively without loss of SiOEt function.
- the final mixture contains 100 mol% of the compound (I 1 ). There are no detectable pyridine residues.
- the yield of compound (T) isolated is equal to 73%.
- Example 6 In a 1 L reactor, 100 g (284.5 mmol) of the compound (II) (hydrazo derivative of formula II) are dissolved in 185 mL of toluene (organic phase). 80 g of a buffer solution of pH 5, 1.13 g (14.2 mmol) of pyridine (adjuvant A) and 1.46 g of sodium bromide (14.2 mmol) (adjuvant A) are added to the solution. reactor which is stirred. 193 g of a solution of bleach (OxI) 12.1% by weight of active chlorine is added dropwise over 2 hours. The reaction mixture is stirred at room temperature for 10 minutes after the end of the addition of bleach (OxI).
- the organic phase is separated.
- the aqueous phase is extracted with twice 60 ml of toluene.
- the organic phases are combined, dried over MgSO 4 and then filtered before being concentrated under reduced pressure. 89.5 g of an orange liquid with no odor are recovered.
- the organic phase is separated.
- the aqueous phase is extracted twice with 20 ml of toluene.
- the organic phases are combined, dried over MgSO 4 and then filtered before being concentrated under reduced pressure.
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CN200680018381XA CN101184766B (zh) | 2005-05-26 | 2006-05-17 | 在两相介质中制备有机硅化合物的方法 |
CA002609311A CA2609311A1 (fr) | 2005-05-26 | 2006-05-17 | Procede de preparation de composes organosiliciques en milieu biphasique |
BRPI0610465-7A BRPI0610465A2 (pt) | 2005-05-26 | 2006-05-17 | processo de preparação de compostos organossilìcicos e compostos organossilìcicos suscetìveis de ser obtidos pelo processo |
JP2008512862A JP4750847B2 (ja) | 2005-05-26 | 2006-05-17 | 2相媒体中での有機ケイ素化合物の製造方法 |
US11/921,010 US20090215999A1 (en) | 2005-05-26 | 2006-05-17 | Preparation Of Organosilicon Compounds In Two-Phase Medium |
EP06755494A EP1888601A2 (fr) | 2005-05-26 | 2006-05-17 | Procede de preparation de composes organosiliciques en milieu biphasique |
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FR0505285A FR2886296B1 (fr) | 2005-05-26 | 2005-05-26 | Procede de preparation de composes organosiliciques en milieu biphasique |
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US (1) | US20090215999A1 (fr) |
EP (1) | EP1888601A2 (fr) |
JP (1) | JP4750847B2 (fr) |
KR (1) | KR100978769B1 (fr) |
CN (1) | CN101184766B (fr) |
BR (1) | BRPI0610465A2 (fr) |
CA (1) | CA2609311A1 (fr) |
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WO2009121963A1 (fr) * | 2008-04-04 | 2009-10-08 | Rhodia Operations | Procede perfectionne de preparation de composes organosiliciques en milieu biphasique |
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FR2886295B1 (fr) * | 2005-05-26 | 2007-07-20 | Rhodia Chimie Sa | Composes organosiliciques et procede de preparation associe |
DE102008002183A1 (de) * | 2008-06-03 | 2009-12-10 | Evonik Degussa Gmbh | Verfahren zur Aufarbeitung salzhaltiger Rückstände aus der Herstellung von aminofunktionellen Organosilanen |
Citations (1)
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US4118367A (en) * | 1976-02-06 | 1978-10-03 | The Malaysian Rubber Producers Research Association | Reinforced rubber |
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US3931143A (en) | 1967-02-15 | 1976-01-06 | Pennwalt Corporation | Unsymmetrical aliphatic monoazo compounds |
US4118637A (en) * | 1975-05-20 | 1978-10-03 | Unep3 Energy Systems Inc. | Integrated energy system |
JPH0693134A (ja) * | 1992-07-31 | 1994-04-05 | Sumitomo Chem Co Ltd | 優れたグリップ性能と転動抵抗を有するゴム組成物およびその製造方法 |
JPH06298719A (ja) * | 1993-04-20 | 1994-10-25 | Otsuka Chem Co Ltd | カルバモイルアゾカルボン酸エステル誘導体及びその製造法 |
US5380828A (en) * | 1993-10-05 | 1995-01-10 | Ciba-Geigy Corporation | Azodicarboxylic acid derivatives containing hindered amine moieties as polymer stabilizers |
FR2826652B1 (fr) * | 2001-06-28 | 2005-09-09 | Atofina | Procede de preparation de composes type azoique. |
JP2004339208A (ja) * | 2003-04-24 | 2004-12-02 | Ishihara Sangyo Kaisha Ltd | フェニルヒドラジン誘導体又はその塩、それらの製造方法、並びにそれらを有効成分として含有する殺菌剤 |
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- 2006-05-17 CA CA002609311A patent/CA2609311A1/fr not_active Abandoned
- 2006-05-17 CN CN200680018381XA patent/CN101184766B/zh not_active Expired - Fee Related
- 2006-05-17 EP EP06755494A patent/EP1888601A2/fr not_active Withdrawn
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- 2006-05-17 BR BRPI0610465-7A patent/BRPI0610465A2/pt not_active IP Right Cessation
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US4118367A (en) * | 1976-02-06 | 1978-10-03 | The Malaysian Rubber Producers Research Association | Reinforced rubber |
Non-Patent Citations (3)
Title |
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DAWES, K.; ROWLEY, R.J.: "Chemical modification of natural rubber-a new silane coupling agent" PLASTICS AND RUBBER: MATERIALS AND APPLICATIONS, vol. 3, no. 1, 1978, pages 23-26, XP009060017 * |
DAWES, K.; ROWLEY, R.J.: "chemical Modifications of Natural Rubber-A New Silane Coupling Agent" RUBBERCON '77, 1977, pages 18.1-18.11, XP009060018 * |
MITCHELL, H.; LEBLANC, Y.: "Amination of Arenes with Electron-Deficient Azodicarboxylates" J.ORG.CHEM., vol. 59, 1994, pages 682-687, XP002363174 * |
Cited By (2)
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WO2009121963A1 (fr) * | 2008-04-04 | 2009-10-08 | Rhodia Operations | Procede perfectionne de preparation de composes organosiliciques en milieu biphasique |
FR2929614A1 (fr) * | 2008-04-04 | 2009-10-09 | Rhodia Operations Sas | Procede perfectionne de preparation composes organosiliciques en milieu biphasique |
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KR100978769B1 (ko) | 2010-08-30 |
EP1888601A2 (fr) | 2008-02-20 |
FR2886296B1 (fr) | 2007-07-20 |
CA2609311A1 (fr) | 2006-11-30 |
JP2008542245A (ja) | 2008-11-27 |
JP4750847B2 (ja) | 2011-08-17 |
BRPI0610465A2 (pt) | 2012-10-23 |
WO2006125888A3 (fr) | 2007-01-25 |
FR2886296A1 (fr) | 2006-12-01 |
US20090215999A1 (en) | 2009-08-27 |
CN101184766A (zh) | 2008-05-21 |
CN101184766B (zh) | 2012-02-15 |
KR20080007384A (ko) | 2008-01-18 |
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