Journal of the Chemical SocietyThe Society., 1963 |
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Page 2839
... bromide has been studied to obtain information about the radical - chain mechanism which is also present in the ... bromide formation ) is large ( 1 ) . The first - order rate constant has an activation energy of 10.5 kcal./mole . At ...
... bromide has been studied to obtain information about the radical - chain mechanism which is also present in the ... bromide formation ) is large ( 1 ) . The first - order rate constant has an activation energy of 10.5 kcal./mole . At ...
Page 2890
... bromide rather than ester . The observed order in hydrogen bromide means that only one molecule of this substance enters the transition state , i.e. , that ion - pairs containing HBr2 are not involved ( in chlorobenzene the dominant ...
... bromide rather than ester . The observed order in hydrogen bromide means that only one molecule of this substance enters the transition state , i.e. , that ion - pairs containing HBr2 are not involved ( in chlorobenzene the dominant ...
Page 2891
... bromide may form ( rapidly and in effectively stoicheiometric amount ) a 1 : 1 addition complex with the latter which suffers hydrogen bromide cleavage only on interaction with another molecule of ester : CH2 = CMe OAc + HBr CH = CMe ...
... bromide may form ( rapidly and in effectively stoicheiometric amount ) a 1 : 1 addition complex with the latter which suffers hydrogen bromide cleavage only on interaction with another molecule of ester : CH2 = CMe OAc + HBr CH = CMe ...
Contents
Organic | 2567 |
Gibberellic acid Part XXIII Some perhydrofluoren8aylacetic acid lactones | 2590 |
Gibberellic acid Part XXV Some new reduction products of gibberellic acid | 2606 |
115 other sections not shown
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Common terms and phrases
absorption acetic acid acetic anhydride acetone acetyl alumina Amer amine anhydride atom band benzene benzoate Calc carboxylate catalyst cation CH₂ Chem chloride chloroform chromatography cm.¹ complex compound concentration constant crystallised decomp decomposition derivative dibromide dilute dimethyl dioxan distilled dried eluted ester ethanol ethyl acetate evaporated experimental extracted with ether filtered filtrate flindissone formation Found fraction gave H₂O heated hydrochloric acid hydrogen bromide hydrogen chloride hydrogen peroxide hydrolysis hydroxide infrared infrared spectrum k₁ ketone kinetic lactone light petroleum liquid lithium aluminium hydride mixed m. p. mixture mole mµ ɛ needles nitrogen obtained optical oxidation oxygen petroleum b. p. phenol potassium prepared prisms proton pteridine pyridine pyrolysis reaction reagent refluxed requires residue resin room temperature salt scission sodium hydrogen carbonate sodium hydroxide solvent spectra structure Table thiolactone toluene-p-sulphonic ultraviolet values vinyl Vmax washed yield