Journal of the Chemical SocietyThe Society., 1963 |
From inside the book
Results 1-3 of 82
Page 2574
... esters with 2 mol . of phosphorus pentachloride in ether for 4 hr . furnished results of greater significance . The ester ( XVIII ; R = R ' = OH ) afforded a mixture of the 4aẞ - gibb - 2 - enes ( XIX ; R = OH ) and ( XIX ; R = Cl ) ...
... esters with 2 mol . of phosphorus pentachloride in ether for 4 hr . furnished results of greater significance . The ester ( XVIII ; R = R ' = OH ) afforded a mixture of the 4aẞ - gibb - 2 - enes ( XIX ; R = OH ) and ( XIX ; R = Cl ) ...
Page 2744
... ester , whereas raising the temperature progressively favoured the formation of diols , particularly from 2- and 3 - oxo - esters . Treatment of methyl ( ± ) -lactate , methyl ( ± ) -a - hydroxy- butyrate , and ( ± ) -4 - hydroxypentano ...
... ester , whereas raising the temperature progressively favoured the formation of diols , particularly from 2- and 3 - oxo - esters . Treatment of methyl ( ± ) -lactate , methyl ( ± ) -a - hydroxy- butyrate , and ( ± ) -4 - hydroxypentano ...
Page 3094
... Ester B. - Preliminary studies involving pyrolysis of this ester and oxidation of the corresponding aß - unsaturated ester , as described for the ester A , indicated that ester B is a mixture of B - hydroxy - esters containing , as ...
... Ester B. - Preliminary studies involving pyrolysis of this ester and oxidation of the corresponding aß - unsaturated ester , as described for the ester A , indicated that ester B is a mixture of B - hydroxy - esters containing , as ...
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