Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
NOVEL SULFONE COMPOUND
Document Type and Number:
Japanese Patent JPS61189259
Kind Code:
A
Abstract:
The invention relates to novel sulfone compounds of formula I (I) wherein R1 is an unsubstituted or substituted phenyl or naphthyl radical, R2 is hydrogen or the radical of the formula R3 and R4 are -CN or -COOR5, in which R5 is C1-C4 alkyl, with the proviso that, if R2 is the radical of the formula R3 and R4 in formula I may be identical or different. The compounds of the invention are valuable intermediates for the preparation of fluorescent whitening agents of the stilbene series.

More Like This:
JP2001516349INDUSTRIAL APPLICABILITY A method for acylating or sulfonate an aromatic compound
WO/2003/022803PROCESS FOR PREPARATION OF ALLYL SULFONE DERIVATIVES AND INTERMEDIATES FOR THE PREPARATION
Inventors:
BURDESKA KURT (CH)
WEBER KURT (CH)
REINEHR DIETER (DE)
Application Number:
JP2918086A
Publication Date:
August 22, 1986
Filing Date:
February 14, 1986
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CIBA GEIGY AG
International Classes:
C07C315/00; C07C67/00; C07C255/34; C07C313/00; C07C317/14; C07C317/44; C09B43/02; D06L3/12; (IPC1-7): C07C147/06
Attorney, Agent or Firm:
Masao Okabe



 
Previous Patent: JPS61189258

Next Patent: JPS61189260