Title:
PREPARATION OF ISOCYANATE-CONTAINING ALKYL SILANE
Document Type and Number:
WIPO Patent Application WO/2008/144987
Kind Code:
A1
Abstract:
The present invention provides the preparation of isocyanate-containing alkyl
silane, containing the following steps: (a) affording carbamate-containing
alkyl silane, (b) carbamate-containing alkyl silane of step (a) is decomposed
in the presence of transition metal complex to obtain isocyanate-containing
alkyl silane. The said method of the present invention improves the dealcoholization
degree of carbamate-containing alkyl silane and has high selectivity of the
product of isocyanate-containing alkyl silane.
Inventors:
ZHANG XIANLIN (CN)
YANG ZHIYONG (CN)
LIU DONG (CN)
YANG ZHIYONG (CN)
LIU DONG (CN)
Application Number:
PCT/CN2007/070545
Publication Date:
December 04, 2008
Filing Date:
August 23, 2007
Export Citation:
Assignee:
ZHANGJIAGANG HUASHENG CHEMICAL (CN)
ZHANG XIANLIN (CN)
YANG ZHIYONG (CN)
LIU DONG (CN)
ZHANG XIANLIN (CN)
YANG ZHIYONG (CN)
LIU DONG (CN)
International Classes:
C07F7/18; B01J21/02; B01J21/06; B01J23/04; B01J23/62; C07C263/04
Foreign References:
JP2004262892A | 2004-09-24 | |||
CN1631893A | 2005-06-29 | |||
CN1887888A | 2007-01-03 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (Xuhui, Shanghai 3, CN)
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