RU96104277A - METHOD FOR PRODUCING ALKYLSILANES WITH ALKYL RESIDUES OF COMPLEX STRUCTURE - Google Patents

METHOD FOR PRODUCING ALKYLSILANES WITH ALKYL RESIDUES OF COMPLEX STRUCTURE

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Publication number
RU96104277A
RU96104277A RU96104277/04A RU96104277A RU96104277A RU 96104277 A RU96104277 A RU 96104277A RU 96104277/04 A RU96104277/04 A RU 96104277/04A RU 96104277 A RU96104277 A RU 96104277A RU 96104277 A RU96104277 A RU 96104277A
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RU
Russia
Prior art keywords
carbon atoms
chlorine
bromine
fluorine
atoms
Prior art date
Application number
RU96104277/04A
Other languages
Russian (ru)
Other versions
RU2115655C1 (en
Inventor
Райтмайер Рудольф
Бройнлинг Херманн
Линднер Тассило
Менцель Хартмут
Original Assignee
Вакер-Хеми ГмбХ
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19508459A external-priority patent/DE19508459A1/en
Application filed by Вакер-Хеми ГмбХ filed Critical Вакер-Хеми ГмбХ
Publication of RU96104277A publication Critical patent/RU96104277A/en
Application granted granted Critical
Publication of RU2115655C1 publication Critical patent/RU2115655C1/en

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Claims (8)

1. Способ получения ди- и триалкилсиланов общей формулы I
RaR1R 2 b SiXc
в которой означают
R - разветвленные или циклические углеводородные остатки с по меньшей мере 4 атомами углерода, возможно замещенные атомами фтора, хлора, брома или цианогруппами;
R1 - алкильные остатки с по меньшей мере 2 атомами углерода, возможно замещенные атомами фтора, хлора, брома или цианогруппами;
R2 - углеводородные остатки с по меньшей мере двумя атомами углерода, возможно замещенные атомами фтора, хлора, брома или цианогруппами;
Х - атомы фтора, хлора, брома или алкоксильные остатки с 1 - 18 атомами углерода, возможно замещенные атомами фтора, хлора, брома или цианогруппами;
а - 1 или 2;
b - 0 или 1;
с - 1 или 2;
отличающийся тем, что моно- и диалкилсиланы общей формулы II
R1R 2 b SiHaXc
в которой R1, R2, Х, а, b и с имеют указанные выше значения, подвергают взаимодействию с алкенами А, имеющими по меньшей мере 4 атома углерода, возможно замещенными атомами фтора, хлора, брома или цианогруппами, в присутствии содержащего переходный металл катализатора и углеводорода в качестве активатора, имеющего по меньшей мере одну функциональную группу, выбранную из альдегидной, кето- и эпоксигруппы и атомов галогена.1. The method of obtaining di - and trialkylsilanes of General formula I
R a R 1 R 2 b SiX c
in which mean
R - branched or cyclic hydrocarbon residues with at least 4 carbon atoms, possibly substituted by fluorine, chlorine, bromine or cyano groups;
R 1 - alkyl residues with at least 2 carbon atoms, possibly substituted by fluorine atoms, chlorine, bromine or cyano groups;
R 2 - hydrocarbon residues with at least two carbon atoms, possibly substituted by fluorine atoms, chlorine, bromine or cyano groups;
X - fluorine, chlorine, bromine or alkoxy atoms with 1-18 carbon atoms, possibly substituted by fluorine, chlorine, bromine or cyano groups;
a - 1 or 2;
b is 0 or 1;
c is 1 or 2;
characterized in that mono - and dialkylsilanes of General formula II
R 1 R 2 b SiH a X c
in which R 1 , R 2 , X, a, b and C have the above values, is subjected to interaction with alkenes A having at least 4 carbon atoms, possibly substituted by fluorine atoms, chlorine, bromine or cyano groups, in the presence of a transition metal containing catalyst and hydrocarbon as an activator having at least one functional group selected from the aldehyde, keto and epoxy groups and halogen atoms. 2. Способ по п.1, отличающийся тем, что алкены А являются разветвленными или циклическими и содержат до 18 атомов углерода. 2. The method according to claim 1, characterized in that the alkenes are branched or cyclic and contain up to 18 carbon atoms. 3. Способ по п. 1 или 2, отличающийся тем, что остаток R1 содержит не более 18 атомов углерода.3. The method according to p. 1 or 2, characterized in that the residue R 1 contains not more than 18 carbon atoms. 4. Способ по пп.1 - 3, отличающийся тем, что остаток R2 содержит не более 18 атомов углерода.4. The method according to PP.1 to 3, characterized in that the residue R 2 contains not more than 18 carbon atoms. 5. Способ по пп.1 - 4, отличающийся тем, что остаток Х обозначает атом хлора или алкоксильный остаток с 1 - 6 атомами углерода, возможно замещенный атомами фтора, хлора, брома или цианогруппами. 5. The method according to PP.1-4, characterized in that the residue X represents a chlorine atom or a CNS residue with 1-6 carbon atoms, possibly substituted by fluorine atoms, chlorine, bromine or cyano groups. 6. Способ по пп.1 - 5, отличающийся тем, что активатор содержит не более 18 атомов углерода. 6. The method according to PP.1 to 5, characterized in that the activator contains not more than 18 carbon atoms. 7. Способ по пп.1 - 6, отличающийся тем, что количество активатора составляет 0,1 - 10 мас.% всей исходной смеси. 7. The method according to PP.1 - 6, characterized in that the amount of activator is 0.1 - 10 wt.% All of the original mixture. 8. Способ по пп.1 - 7, отличающийся тем, что применяемые моно- и диалкилсиланы общей формулы (II) получают в том же реакторе, в котором осуществляют способ получения ди- и триалкилсиланов общей формулы (I), причем силаны общей формулы (III)
R 2 b SiHdXc
подвергают взаимодействию с алкенами В, содержащими по меньшей мере 2 атома углерода, возможно замещенными атомами фтора, хлора, брома или цианогруппами, в присутствии содержащего переходный металл катализатора, причем
d имеет значение 2 или 3;
R2, Х, b и с имеют вышеуказанные значения.8. The method according to PP.1 to 7, characterized in that the used mono - and dialkylsilanes of general formula (II) are prepared in the same reactor in which the process for producing di- and trialkylsilanes of general formula (I) is carried out, with the silanes of general formula ( Iii)
R 2 b SiH d X c
subjected to interaction with alkenes containing at least 2 carbon atoms, possibly substituted by fluorine atoms, chlorine, bromine or cyano groups, in the presence of a catalyst containing a transition metal, and
d is 2 or 3;
R 2 , X, b and c are as defined above.
RU96104277A 1995-03-09 1996-03-06 Method of preparing di- and trialkylsilanes RU2115655C1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19508459A DE19508459A1 (en) 1995-03-09 1995-03-09 Process for the preparation of alkyl silanes with bulky alkyl residues
DE19508459.4 1995-03-09

Publications (2)

Publication Number Publication Date
RU96104277A true RU96104277A (en) 1998-06-10
RU2115655C1 RU2115655C1 (en) 1998-07-20

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Country Status (5)

Country Link
US (1) US5663400A (en)
EP (1) EP0731104B1 (en)
JP (1) JP2825787B2 (en)
DE (2) DE19508459A1 (en)
RU (1) RU2115655C1 (en)

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US5616763A (en) * 1996-01-29 1997-04-01 Dow Corning Corporation Aldehydes as accelerators for hydrosilation
DE19632157A1 (en) * 1996-08-09 1998-02-12 Huels Chemische Werke Ag Process for the continuous production of 3-halopropyl organosilanes
US5756795A (en) * 1996-12-30 1998-05-26 Dow Corning Corporation Unsaturated accelerators for hydrosilation
EP0856517A1 (en) * 1997-01-31 1998-08-05 Dsm N.V. Hydrosilylation process
DE19905752C1 (en) * 1999-02-11 2000-02-10 Wacker Chemie Gmbh Preparation of di- and tri-alkylsilane with bulky branched or cyclic alkyl groups useful in Ziegler catalyst production uses trihalosilane as activator in catalytic hydrosilylation
US6326506B1 (en) * 2001-06-11 2001-12-04 Dow Corning Asia, Ltd. Method of preparing an organosilicon compound
GB0118858D0 (en) * 2001-08-02 2001-09-26 Dow Corning Hydrosilylation process
CN1250557C (en) * 2001-09-14 2006-04-12 东亚合成株式会社 Process for preparation of alkoxysilanes
US6590117B1 (en) 2001-11-15 2003-07-08 Crompton Corporation Promoted hydrosilation reactions
EP2679609A1 (en) * 2012-06-28 2014-01-01 Lummus Novolen Technology Gmbh Sterically demanding dialkoxydialkylsilanes as external donors for ziegler catalysts for the polymerization of propylene
US9663479B2 (en) * 2013-12-18 2017-05-30 Novassay S.A. γ-aminobutyric acid (GABA) analogues for the treatment of pain and other disorders
CN105503934B (en) * 2015-12-31 2019-02-22 大连鼎燕医药化工有限公司 Bicyclopentyl dichlorosilane synthesis technology
CN113444121B (en) * 2021-06-08 2023-02-07 天津大学 Method for removing ethyl dichlorosilane impurities in dimethyl dichlorosilane

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Publication number Priority date Publication date Assignee Title
DE2131741C3 (en) * 1971-06-25 1975-05-28 Wacker-Chemie Gmbh, 8000 Muenchen Process for the addition of silicon compounds with Si-bonded hydrogen to compounds with aliphatic multiple bonds
JPH05301881A (en) * 1992-04-23 1993-11-16 Toray Dow Corning Silicone Co Ltd Production of acryloxy or methacryloxy group-containing organosilicon compound and its production
GB9223335D0 (en) * 1992-11-06 1992-12-23 Dow Corning Hydrosilylation process
EP0602922B1 (en) * 1992-12-14 1998-01-14 Dow Corning Corporation Method for producing dicycloalkylsubstituted silanes
US5424470A (en) * 1994-10-27 1995-06-13 Dow Corning Corporation Unsaturated ketones as accelerators for hydrosilation

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