EP 1461344 A1 20040929 - METHOD FOR OBTAINING POLYSULPHUR MONOORGANOXYSILANES
Title (en)
METHOD FOR OBTAINING POLYSULPHUR MONOORGANOXYSILANES
Title (de)
VERFAHREN ZUR HERSTELLUNG VON POLYSCHWEFELMONOORGANOOXYSILANEN
Title (fr)
PROCEDE D'OBTENTION DE MONOORGANOXYSILANES POLYSULFURES
Publication
Application
Priority
- FR 0204204 W 20021206
- FR 0115768 A 20011206
- FR 0210145 A 20020809
Abstract (en)
[origin: WO03048169A1] The invention concerns the preparation of sulphur-containing organosilicic compounds of general formula (I) wherein, for example: R1 = C1-C15 alkyl; R2 and R3 = C1-C6 alkyl; x in a mean number ranging from 1.5<0.1 to 5?0.1. Said preparation is carried out by performing successively the following steps (a), (b) and (c): (a) hydrosilylation of the type: R2R3HSi-Hal + CH2=CH-CH2-Hal } Hal-R2R3Si-(CH2)3Hal; (b) alcoholysis of the type: Hal-R2R3Si-(CH2)3-Hal + R1-OH } R1O-R2R3Si-(CH2)3Hal; (c) sulphidization of the type: R1O-R2R3Si-(CH2)3Hal + M2Sx } compound of formula (I); with Hal = a halogen atom and M = alkali metal.
IPC 1-7
IPC 8 full level
C07B 61/00 (2006.01); C07F 7/18 (2006.01)
CPC (source: EP US)
C07F 7/1892 (2013.01 - EP US)
Citation (examination)
SAAM J.C. ET AL: "Preparation of 3-Triethoxysilylpropylamine and 1,3-Bis(aminopropyl)tetramethyldisiloxane", JOURNAL OF ORGANIC CHEMISTRY, AMERICAN CHEMICAL SOCIETY, EASTON.; US LNKD- DOI:10.1021/JO01083A612, vol. 24, 1 January 1959 (1959-01-01), pages 119 - 120, XP002463541, ISSN: 0022-3263
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR
DOCDB simple family (publication)
WO 03048169 A1 20030612; AT E426608 T1 20090415; AU 2002364429 A1 20030617; DE 60231759 D1 20090507; EP 1461344 A1 20040929; EP 1621543 A1 20060201; EP 1621543 B1 20090325; FR 2833265 A1 20030613; FR 2833265 B1 20060210; JP 2005511700 A 20050428; JP 4090993 B2 20080528; US 2011105780 A1 20110505
DOCDB simple family (application)
FR 0204204 W 20021206; AT 05021616 T 20021206; AU 2002364429 A 20021206; DE 60231759 T 20021206; EP 02799785 A 20021206; EP 05021616 A 20021206; FR 0210145 A 20020809; JP 2003549359 A 20021206; US 49793302 A 20021206