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DIMEREATION OF BUTADIENE SYSTEMS
ABNORMAL DEHYDROOENATIONS BY SULFUR
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1,2,4-Triphenylbenzene 2-phenylbutadiene absorption band acetic acid activated alumina alcohol alkyl alumina and eluted Analysis aromatic aspirator pressure benzalacetophenone benzene benzoic acid beta-phenylbutyrophenone bromide butadiene Calcd carbon atom catalytic hydrogenation chloride chromatographed compound conjugated containing crystallized cyclic dimers cyclohexane Dehydration dehydrogenation Dehydrogenation of Dimer Diels-Alder dienophile dimer double bond double bond absorption ethanol ethyl evaporated extinction coefficient formation fraction gave genation Grignard heating hydroxide infrared spectrum iodine isolated isomer isomerization ketone light yellow magnesium sulfate maleic anhydride maxima melting point methyl group migration mixture moles of hydrogen monomer naphthalene neutral activated alumina observed obtained Oxidation of Dimer Ozonization palladium-on-carbon pentane phenyl phenylacetylene platinum polymer polymerization potassium permanganate pyridine reaction reagent rearrangement recrystallizations refluxed residue resulted ring room temperature selenium small amount sodium solvent spectra structure XCIX styrene styryl groups tetrahydro dimer tetralin thermal tion trans double bond trans-diene ture ultraviolet ultraviolet spectrum yellow oil yield