Quarterly Journal of the Chemical Society of London, Volume 1, Pages 1-996 |
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Page 121
... shown to be exclusively located at C ( a ) by oxidation with potassium permanganate , to give anisic acid and benzoic acid , both of which were shown to be inactive . The reaction of the radio - labelled chalcone ( VIII ; 14C at a ...
... shown to be exclusively located at C ( a ) by oxidation with potassium permanganate , to give anisic acid and benzoic acid , both of which were shown to be inactive . The reaction of the radio - labelled chalcone ( VIII ; 14C at a ...
Page 386
... shown to be the tricyclo - allylidenephosphorane ( 12 ) rather than a stable spirobiphosphole , as previously suggested . The phosphorane rearranges in boiling chloroform to give a cis , cis , trans , cis - phosph ( III ) onin ( 17d ) ...
... shown to be the tricyclo - allylidenephosphorane ( 12 ) rather than a stable spirobiphosphole , as previously suggested . The phosphorane rearranges in boiling chloroform to give a cis , cis , trans , cis - phosph ( III ) onin ( 17d ) ...
Page 418
... shown by g.l.c. ( 8 m . column at 50 ° ) to be a mixture of two components in the ratio 8911 ; these were separated and identified as 1,1,1,3- tetrafluoro - 3 - iodopropane ( I ) ( 3.01 g . , 12.45 mmoles , 86 % ) ( Found : C , 14-9 ; H ...
... shown by g.l.c. ( 8 m . column at 50 ° ) to be a mixture of two components in the ratio 8911 ; these were separated and identified as 1,1,1,3- tetrafluoro - 3 - iodopropane ( I ) ( 3.01 g . , 12.45 mmoles , 86 % ) ( Found : C , 14-9 ; H ...
Contents
Organic chemistry | 1 |
oestrone | 10 |
Heterocyclic compounds from urea derivatives Part XVI Interaction of carbonohydrazide and carbodi | 19 |
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absorption acetic acid acetone added adduct alcohol alumina Amer aqueous aromatic band benzene boiled bromide Calc CH₂ chalcone Chem chim chloride chloroform chromatography cm.¹ colourless compound cooled crystallised cyclisation cyclohexane decomp derivatives diluted dimethyl dimethylformamide dioxan distilled doublet dried eluted ester ethanol ethyl acetate EtOH evaporated extracted with ether filtered filtrate Found fraction gave give heated under reflux hydrochloric acid hydrolysis i.r. spectrum identical irradiation isolated isomer ketone light petroleum b.p. lithium aluminium hydride mass spectra methylene mixed m.p. mixture mmoles mole n.m.r. spectrum needles nitrogen Nujol obtained olefin oxidation peak phosphine potassium prepared protons pyridine reaction reagent rearrangement reduced pressure reflux requires residue ring room temperature showed signals silica gel singlet sodium hydroxide solid solution solvent stirred structure synthesis Table tetrahydrofuran VIII yellow yield zygosporin