CA1133002A - Preparation of monomeric organosilicon esters - Google Patents
Preparation of monomeric organosilicon estersInfo
- Publication number
- CA1133002A CA1133002A CA339,756A CA339756A CA1133002A CA 1133002 A CA1133002 A CA 1133002A CA 339756 A CA339756 A CA 339756A CA 1133002 A CA1133002 A CA 1133002A
- Authority
- CA
- Canada
- Prior art keywords
- reaction
- percent
- free radical
- solution
- process according
- 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.)
- Expired
Links
- 150000002148 esters Chemical class 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 43
- 150000003254 radicals Chemical class 0.000 claims abstract description 40
- 239000003112 inhibitor Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000002904 solvent Substances 0.000 claims abstract description 14
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 12
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 10
- -1 hydrocarbon radical Chemical class 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 6
- 238000010526 radical polymerization reaction Methods 0.000 claims abstract description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 22
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N 1,4-Benzenediol Natural products OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 21
- 150000002763 monocarboxylic acids Chemical class 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 18
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 9
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 150000001735 carboxylic acids Chemical class 0.000 claims description 6
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 150000002430 hydrocarbons Chemical class 0.000 claims description 6
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 230000000379 polymerizing effect Effects 0.000 claims description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 238000010533 azeotropic distillation Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- 125000000687 hydroquinonyl group Chemical group C1(O)=C(C=C(O)C=C1)* 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 claims description 2
- WZSYKGHOYGNHKS-UHFFFAOYSA-N 1,2-ditert-butyl-4-methylcyclohexa-2,4-dien-1-ol Chemical compound CC1=CCC(O)(C(C)(C)C)C(C(C)(C)C)=C1 WZSYKGHOYGNHKS-UHFFFAOYSA-N 0.000 claims 1
- OPFTUNCRGUEPRZ-QLFBSQMISA-N Cyclohexane Natural products CC(=C)[C@@H]1CC[C@@](C)(C=C)[C@H](C(C)=C)C1 OPFTUNCRGUEPRZ-QLFBSQMISA-N 0.000 claims 1
- 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 1
- 150000008282 halocarbons Chemical class 0.000 claims 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 claims 1
- 238000000935 solvent evaporation Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 4
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 abstract 2
- 239000011541 reaction mixture Substances 0.000 abstract 2
- 239000003377 acid catalyst Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 19
- 239000000047 product Substances 0.000 description 18
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 229960004337 hydroquinone Drugs 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- AZQWKYJCGOJGHM-UHFFFAOYSA-N para-benzoquinone Natural products O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 7
- 239000000178 monomer Substances 0.000 description 6
- CWUHERHJSPPFHQ-UHFFFAOYSA-N 2,2-dimethyloxasilinane Chemical group C[Si]1(C)CCCCO1 CWUHERHJSPPFHQ-UHFFFAOYSA-N 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 239000012467 final product Substances 0.000 description 4
- 239000000499 gel Substances 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000004817 gas chromatography Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000002390 rotary evaporation Methods 0.000 description 3
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 125000001475 halogen functional group Chemical group 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229960001866 silicon dioxide Drugs 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 229940032330 sulfuric acid Drugs 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- UHUUYVZLXJHWDV-UHFFFAOYSA-N trimethyl(methylsilyloxy)silane Chemical compound C[SiH2]O[Si](C)(C)C UHUUYVZLXJHWDV-UHFFFAOYSA-N 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- OGNVQLDIPUXYDH-ZPKKHLQPSA-N (2R,3R,4S)-3-(2-methylpropanoylamino)-4-(4-phenyltriazol-1-yl)-2-[(1R,2R)-1,2,3-trihydroxypropyl]-3,4-dihydro-2H-pyran-6-carboxylic acid Chemical compound CC(C)C(=O)N[C@H]1[C@H]([C@H](O)[C@H](O)CO)OC(C(O)=O)=C[C@@H]1N1N=NC(C=2C=CC=CC=2)=C1 OGNVQLDIPUXYDH-ZPKKHLQPSA-N 0.000 description 1
- WBYWAXJHAXSJNI-VOTSOKGWSA-M .beta-Phenylacrylic acid Natural products [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 1
- VLSRKCIBHNJFHA-UHFFFAOYSA-N 2-(trifluoromethyl)prop-2-enoic acid Chemical compound OC(=O)C(=C)C(F)(F)F VLSRKCIBHNJFHA-UHFFFAOYSA-N 0.000 description 1
- SZTBMYHIYNGYIA-UHFFFAOYSA-N 2-chloroacrylic acid Chemical compound OC(=O)C(Cl)=C SZTBMYHIYNGYIA-UHFFFAOYSA-N 0.000 description 1
- WROUWQQRXUBECT-UHFFFAOYSA-N 2-ethylacrylic acid Chemical compound CCC(=C)C(O)=O WROUWQQRXUBECT-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 101100087530 Caenorhabditis elegans rom-1 gene Proteins 0.000 description 1
- WBYWAXJHAXSJNI-SREVYHEPSA-N Cinnamic acid Chemical compound OC(=O)\C=C/C1=CC=CC=C1 WBYWAXJHAXSJNI-SREVYHEPSA-N 0.000 description 1
- 241000518994 Conta Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 101100305983 Mus musculus Rom1 gene Proteins 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 229930016911 cinnamic acid Natural products 0.000 description 1
- 235000013985 cinnamic acid Nutrition 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- JJCFRYNCJDLXIK-UHFFFAOYSA-N cyproheptadine Chemical compound C1CN(C)CCC1=C1C2=CC=CC=C2C=CC2=CC=CC=C21 JJCFRYNCJDLXIK-UHFFFAOYSA-N 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 125000004151 quinonyl group Chemical group 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 125000002948 undecyl 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])[H] 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 150000003738 xylenes Chemical class 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
- C07F7/0834—Compounds having one or more O-Si linkage
- C07F7/0838—Compounds with one or more Si-O-Si sequences
- C07F7/0872—Preparation and treatment thereof
- C07F7/0874—Reactions involving a bond of the Si-O-Si linkage
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/002,284 US4195030A (en) | 1979-01-10 | 1979-01-10 | Preparation of monomeric organosilicon esters |
US002,284 | 1979-01-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1133002A true CA1133002A (en) | 1982-10-05 |
Family
ID=21700065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA339,756A Expired CA1133002A (en) | 1979-01-10 | 1979-11-13 | Preparation of monomeric organosilicon esters |
Country Status (8)
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4576999A (en) * | 1982-05-06 | 1986-03-18 | General Electric Company | Ultraviolet radiation-curable silicone release compositions with epoxy and/or acrylic functionality |
US4486577A (en) * | 1982-10-12 | 1984-12-04 | Ciba-Geigy Corporation | Strong, silicone containing polymers with high oxygen permeability |
US5070215A (en) * | 1989-05-02 | 1991-12-03 | Bausch & Lomb Incorporated | Novel vinyl carbonate and vinyl carbamate contact lens material monomers |
US5244981A (en) * | 1990-04-10 | 1993-09-14 | Permeable Technologies, Inc. | Silicone-containing contact lens polymers, oxygen permeable contact lenses and methods for making these lenses and treating patients with visual impairment |
US5314960A (en) * | 1990-04-10 | 1994-05-24 | Permeable Technologies, Inc. | Silicone-containing polymers, oxygen permeable hydrophilic contact lenses and methods for making these lenses and treating patients with visual impairment |
US5371147A (en) * | 1990-10-11 | 1994-12-06 | Permeable Technologies, Inc. | Silicone-containing acrylic star polymers, block copolymers and macromonomers |
US5358995A (en) * | 1992-05-15 | 1994-10-25 | Bausch & Lomb Incorporated | Surface wettable silicone hydrogels |
US7468398B2 (en) * | 1994-09-06 | 2008-12-23 | Ciba Vision Corporation | Extended wear ophthalmic lens |
US5760100B1 (en) | 1994-09-06 | 2000-11-14 | Ciba Vision Corp | Extended wear ophthalmic lens |
US8440738B2 (en) | 2008-07-09 | 2013-05-14 | Timothy Higgs | Silicone hydrogels and methods of manufacture |
US7939579B1 (en) | 2008-07-09 | 2011-05-10 | Contamac Limited | Hydrogels and methods of manufacture |
KR20210028655A (ko) | 2018-07-03 | 2021-03-12 | 보오슈 앤드 롬 인코포레이팃드 | 수 추출 가능한 안과용 디바이스 |
KR20210121146A (ko) | 2019-01-29 | 2021-10-07 | 보오슈 앤드 롬 인코포레이팃드 | 콘택트 렌즈용 포장 용액 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2906735A (en) * | 1958-06-26 | 1959-09-29 | Dow Corning | Preparation of organosilicon esters |
US3878263A (en) * | 1972-07-10 | 1975-04-15 | Stauffer Chemical Co | Acrylate-functional polysiloxane polymers |
-
1979
- 1979-01-10 US US06/002,284 patent/US4195030A/en not_active Expired - Lifetime
- 1979-11-08 SE SE7909239A patent/SE445920B/sv unknown
- 1979-11-13 CA CA339,756A patent/CA1133002A/en not_active Expired
- 1979-11-20 GB GB7940010A patent/GB2039286B/en not_active Expired
- 1979-11-22 IE IE2231/79A patent/IE49104B1/en unknown
- 1979-11-30 DE DE2948301A patent/DE2948301C2/de not_active Expired
- 1979-12-04 FR FR7929750A patent/FR2446291A1/fr active Granted
- 1979-12-19 JP JP54164179A patent/JPS6052759B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4195030A (en) | 1980-03-25 |
GB2039286A (en) | 1980-08-06 |
DE2948301C2 (de) | 1986-07-17 |
FR2446291A1 (fr) | 1980-08-08 |
DE2948301A1 (de) | 1980-07-24 |
GB2039286B (en) | 1983-01-19 |
IE49104B1 (en) | 1985-07-24 |
JPS5594389A (en) | 1980-07-17 |
JPS6052759B2 (ja) | 1985-11-21 |
SE445920B (sv) | 1986-07-28 |
SE7909239L (sv) | 1980-07-11 |
IE792231L (en) | 1980-07-10 |
FR2446291B1 (US20090163788A1-20090625-C00002.png) | 1983-05-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1133002A (en) | Preparation of monomeric organosilicon esters | |
US5585514A (en) | Process for the manufacture of biacetyl-free methyl methacrylate | |
JP3540822B2 (ja) | グリセロールカーボネートの製造方法 | |
JPS6017377B2 (ja) | 重合性オルガノポリシロキサンの製造方法 | |
EP0270724B1 (en) | Preparation of alkyl trifluoroacetoacetate | |
JP2943523B2 (ja) | アクリル酸エステルのミカエル付加物から有用化合物を製造する方法 | |
JPH03112949A (ja) | ジメチルアミノエチルアクリレートの製造方法 | |
JPH02193944A (ja) | (メタ)アクリル酸エステルの製造方法 | |
US5710316A (en) | Transesterification process for making allyl esters of aromatic carboxylic acids | |
JP2890603B2 (ja) | 不飽和カルボン酸ジエステルの製造方法 | |
JPS6042777B2 (ja) | トリメチロ−ルプロパントリアクリレ−ト又はトリメチロ−ルプロパントリメタクリレ−トの製造方法 | |
JPH03120263A (ja) | (メタ)アクリレート化合物の製造方法 | |
US4633023A (en) | Fluoroacrylate ester, polymer thereof, and process of making the same | |
CN112218848B (zh) | 用于制备(甲基)丙烯酸酯系化合物的方法 | |
EP0004730A2 (en) | Improvements in the manufacture of alkylsilicates and their conversion to alkylpolysilicates | |
CA1338987C (en) | Process for the preparation of alkyl alkenylphosphinates | |
KR900001075B1 (ko) | 알킬트리플루오로아세토 아세테이트의 제조방법 | |
US5557001A (en) | Silicone monomer process | |
Liu | Enantioface differentiation by chiral polymers containing dimethylaminobornyl moieties | |
JPH02229145A (ja) | ジメチルアミノエチルアクリレートの製造方法 | |
JP3864648B2 (ja) | 1,3−ビス(カルボキシアルキル)テトラアルキルジシロキサンの製造方法 | |
RU1768604C (ru) | Способ получени высших тетраалкоксисиланов | |
JPH0137388B2 (US20090163788A1-20090625-C00002.png) | ||
JPH0216768B2 (US20090163788A1-20090625-C00002.png) | ||
JPH0623121B2 (ja) | 末端イソプロペニル基を有するヘキサフルオロプロペンオキシドオリゴエーテル誘導体及びその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |