Quarterly Journal of the Chemical Society of London |
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Page 3698
... solid was washed with water and dried . A benzene solution of the solid was chromatographed on alumina ( Brockmann activity 1 ) to give a deep red , glass - like solid and the suspected 1,2,4 - trifluoro- phenothiazine ( 0 · 1 g ...
... solid was washed with water and dried . A benzene solution of the solid was chromatographed on alumina ( Brockmann activity 1 ) to give a deep red , glass - like solid and the suspected 1,2,4 - trifluoro- phenothiazine ( 0 · 1 g ...
Page 3799
... Solid Solid 4082 510sh 550 ± 4142 500sh 545 Adduct Methanol soln . 427 473 500 1,3,5 - Trinitrobenzene + NaOMe Methanol soln . 427 473 500 Adduct Acetone soln . 428 490sh 513 Meisenheimer ( II ; R = R ' : = OMe ) K + Acetone soln . 420 ...
... Solid Solid 4082 510sh 550 ± 4142 500sh 545 Adduct Methanol soln . 427 473 500 1,3,5 - Trinitrobenzene + NaOMe Methanol soln . 427 473 500 Adduct Acetone soln . 428 490sh 513 Meisenheimer ( II ; R = R ' : = OMe ) K + Acetone soln . 420 ...
Page 3983
... solid ( 20-7 g . ) which was filtered off and dried : the filtrate gave a further precipitate of 4,4 ' - dinitrobenzophenone , m . p . 185 ° ( 0 · 34 g . , 1.6 % ) . The solid , on crystallisation from glacial acetic acid ( 150 c.c. ) ...
... solid ( 20-7 g . ) which was filtered off and dried : the filtrate gave a further precipitate of 4,4 ' - dinitrobenzophenone , m . p . 185 ° ( 0 · 34 g . , 1.6 % ) . The solid , on crystallisation from glacial acetic acid ( 150 c.c. ) ...
Contents
3820 | 3468 |
The reactions of carbenes and diazoalkanes with ketones Part I The reaction | 3480 |
The SN mechanism in aromatic compounds Part XXVIII Reactivity in | 3486 |
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absorption acetic acid acetone acetonitrile acidified alcohol alumina Amax Amer anhydrous anthracene aqueous atom band benzene bond Calc carbon catalyst CH₂ Chem chloride chloroform chromatography cm.¹ Found CO₂H complex compounds concentration crystal crystallised cucurbitacin decomp decomposition derivatives diazomethane diethyl dilute dissolved distilled dried Elution enol ester ethanol ethyl acetate evaporated experimental extracted with ether filtered formation fraction gave give H₂O heated hydrochloride hydrogen chloride hydrolysis infrared infrared spectrum isolated isomer kcal./mole ketone kinetic light petroleum lithium aluminium hydride methyl methylene mixed m. p. mixture mole molecular molecule mµ ɛ needles nitrogen nitrosonium nitrosyl chloride obtained oxidation phosphate Phys potassium prepared proton pyridine ratio reaction reduced refluxed requires residue room temperature salt sodium hydrogen sodium hydroxide solid solution solvent spectra stirred structure substitution sulphide sulphuric Table tetracene tube vacuo values Vmax washed yield