EP 1981841 A1 20081022 - PREPARATION OF THIOALKYLAMINES USING CHLOROSULFONIC ACID
Title (en)
PREPARATION OF THIOALKYLAMINES USING CHLOROSULFONIC ACID
Title (de)
DARSTELLUNG VON THIOALKYLAMINEN UNTER EINSATZ VON CHLORSULFONSÄURE
Title (fr)
ELABORATION DE THIOALKYLAMINES AU MOYEN D'ACIDE CHLOROSULFONIQUE
Publication
Application
Priority
- EP 2006008061 W 20060816
- EP 05018348 A 20050824
- EP 06776867 A 20060816
Abstract (en)
[origin: WO2007022901A1] The present invention relates to a novel process for the preparation of compounds of the formula (I) by reacting in a first step amino alcohols of the formula (II) with chlorosulfonic acid to give sulfuric acid esters of the general formula (III) and by reacting these sulfuric acid esters in a second step with mercaptans or salts thereof of the general formula (IV): RSM in each formula, where applicable, R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3</SUP>, R<SUP>4</SUP>, R<SUP>5</SUP>, R<SUP>6</SUP>, R, n and M have the meanings given in the description, in the presence of a diluent and in the presence of a base.
IPC 8 full level
C07C 303/24 (2006.01); C07C 305/06 (2006.01); C07C 319/14 (2006.01); C07C 323/25 (2006.01)
CPC (source: EP KR)
C07C 303/24 (2013.01 - EP KR); C07C 319/14 (2013.01 - EP KR); C07C 323/25 (2013.01 - KR)
Citation (search report)
See references of WO 2007022901A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2007022901 A1 20070301; BR PI0615132 A2 20110503; EP 1981841 A1 20081022; IL 189465 A0 20080807; KR 20080036634 A 20080428; MX 2008002437 A 20080403; TW 200722409 A 20070616
DOCDB simple family (application)
EP 2006008061 W 20060816; BR PI0615132 A 20060816; EP 06776867 A 20060816; IL 18946508 A 20080212; KR 20087005890 A 20080311; MX 2008002437 A 20060816; TW 95130898 A 20060823