Title:
UNSATURATED SULFONE DERIVATIVE AND ITS PREPARATION
Document Type and Number:
Japanese Patent JPS59164766
Kind Code:
A
Abstract:
NEW MATERIAL:A compound shown by the formula I (R is aryl; R' is aromatic group; n is 0 or 1).
EXAMPLE: 1-Methylthio-1-(p-tolylsulfonyl)-2-phenylethylene.
USE: Useful as an intermediate important in organic synthetic chemistry, a raw material for preparing drugs, agricultural chemicals, etc. or an intermediate for synthesizing them.
PREPARATION: An aromatic aldehyde shown by the formula R'CHO is reacted with a methylthiomethylarylsulfone shown by the formula II in a solvent such as ether, benzene, etc. in the presence of a base (e.g., potassium carbonate, sodium hydroxide, etc.) at -20W150°C, and, if necessary, it is oxidized, to give a compound shown by the formula I .
Inventors:
OGURA KATSUYUKI
Application Number:
JP3863183A
Publication Date:
September 17, 1984
Filing Date:
March 09, 1983
Export Citation:
Assignee:
NISSAN CHEMICAL IND LTD
International Classes:
C07C319/20; C07C67/00; C07C313/00; C07C323/65; (IPC1-7): C07C148/00; C07C149/44