Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CF2O結合を有する液晶の製造
Document Type and Number:
Japanese Patent JP4132818
Kind Code:
B2
Abstract:
The invention relates to a process for the preparation of compounds having at least one -CF2O- bridge in the molecule, which comprises initially reacting a bis(alkylthio)carbenium salt with a compound containing at least one hydroxyl group in the presence of a base followed by oxidative fluorination, preferably in situ, with a fluorinating agent and an oxidizing agent to form the compound having at least one -CF2O- bridge in the molecule.

Inventors:
Kirsch, Peel
Taugerbeck, Andreas
Paulut, Detlef
Bremer, Matthias
Application Number:
JP2001563507A
Publication Date:
August 13, 2008
Filing Date:
March 02, 2001
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Merck Patent Gesellschaft mit beschraenkter Haftung
International Classes:
C07C41/01; C07B41/04; C07C43/12; C07C43/225; C07C253/32; C07C255/54; C07D339/08; C09K19/20; C09K19/30
Domestic Patent References:
JP61227563A
JP10204016A
Foreign References:
US4119639
Other References:
OKUYAMA,T. et al.,J.Org.Chem.,1986年,Vol.51, No.25,p.4988-4990
OKUYAMA,T. et al.,J.Am.Chem.Soc.,1985年,Vol.107, No.14,p.4224-4229
STAHL,I.,Chem.Ber.,1985年,Vol.118, No.5,p.1798-1808
GOMPPER,R. et al.,Tetrahedron Letters,1968年,No.2,p.165-169
OKUYAMA,T. et al.,Bull.Chem.Soc.Jpn.,1986年,Vol.59, No.1,p.327-328
Attorney, Agent or Firm:
Kiyoji Kuzuwa



 
Previous Patent: JPH04132817

Next Patent: JPH04132819