Method for the preparation of functionalized cyclosiloxanes

• Main Authors: KLEIN, JOHANN, BRIERS, DAVID, DUNEKAKE, RALF, BAUMGARD, JENS, MEJIA, ESTEBAN, WINTERBERG, MARLEEN, KRAGL, UDO
• Format: Patent
• Language: Chinese; English
• Published: 16.12.2015
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; APPARATUS THEREFOR; CHEMISTRY; GENERAL METHODS OF ORGANIC CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

The present invention relates to a method for preparing functionalized cyclosiloxanes of formula I, wherein R, R1, R2, m, n1 and n2 are as defined herein, comprising reacting (i) a cyclosiloxane of formula II (II) with (ii) a substituted acetylene of formula III in the presence of a hydrosilylation...