1,4-bis-styryl-benzene-dioxyalkanoic acids,salts and esters
Abstract
Abstract The present invention relates to new bis-stilbene compounds of the formula WHEREIN R1 and R2 are identical or different and denote alkyl with five to 18 carbon atoms, substituted alkyl with a total of two to 20 carbon atoms, or alkenyl with three to four carbon atoms, X1 and X2 are identical or different and denote hydrogen, alkoxy with one to four carbon atoms, halogen, alkenyl with three to four carbon atoms or alkyl with one to four carbon atoms, Y1 and Y2 are identical or different and denote hydrogen, halogen, alkenyl with three to four carbon atoms or alkyl with one to four carbon atoms, a represents hydrogen, halogen, alkoxy with one to four carbon atoms or alkyl with one to four carbon atoms, and the parapositions are free of alkoxy groups or R1O- and R2O- groups.
Inventors
- 👤 C Luethi
Bibliographic Details
Claims Analysis
Total Claims: 4References Cited (Backward Citations)
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