Polyenes Communication 5. Synthesis of unsymmetrical diaryl polyenic hydrocarbons
Copyright policy ) B. M. Mikhailov; L. S. Povarov;
Polyenes Communication 5. Synthesis of unsymmetrical diaryl polyenic hydrocarbons
1. By the reaction of the Grignard reagent from α-chloro-p-xylene with polyethoxyphenylalkanes C6H5-[CH(OC2H5-CH2]n-CH(OC2H5)2 polyethoxyphenyl-p-tolylalkanes are formed: C6H5 -[CH(OC2H5)-CH2)]n+1 -C6H4-CH3-p 2. By the action of aqueous-alcoholic hydrogen bromide these are converted into phenyl-p-tolyl polyenes C6H5-(CH=CH)n+1−-C6H4-CH3-p.
- Russian Academy of Sciences Russian Federation
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