Journal of the Chemical SocietyThe Society., 1955 |
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Page 413
... heated at 100 ° for 24 hours , the colourless 1 : 4 - dimethylethylenedi - o - phenylenediarsonium dibromide ( IX ) was obtained ( this compound readily gave a colourless di - iodide , as its structure would indicate ) . When this ...
... heated at 100 ° for 24 hours , the colourless 1 : 4 - dimethylethylenedi - o - phenylenediarsonium dibromide ( IX ) was obtained ( this compound readily gave a colourless di - iodide , as its structure would indicate ) . When this ...
Page 417
... heated in a sealed tube at 100 ° for 2 hr . , it afforded the dimethobromide ( IV ) , m . p . and mixed m . p . 256 ° ( effervescence ) after crystallisation from methanol ( Found : C , 33 · 9 ; H , 3 · 1 % ) . Repetition of this ...
... heated in a sealed tube at 100 ° for 2 hr . , it afforded the dimethobromide ( IV ) , m . p . and mixed m . p . 256 ° ( effervescence ) after crystallisation from methanol ( Found : C , 33 · 9 ; H , 3 · 1 % ) . Repetition of this ...
Page 710
... heated with dimethylamine ( 20 c.c. ) in an autoclave at 130 ° for 4 hr . and then oxidised , and the product was hydrolysed as in the previous cases . Phthalaldehydic acid ( 20 % yield ) separated from benzene - light petroleum ( b . p ...
... heated with dimethylamine ( 20 c.c. ) in an autoclave at 130 ° for 4 hr . and then oxidised , and the product was hydrolysed as in the previous cases . Phthalaldehydic acid ( 20 % yield ) separated from benzene - light petroleum ( b . p ...
Contents
The Chemistry of Nitrosyl Complexes Part I Evidence for the Selfionisation | 56 |
The Senecio Alkaloids Part XII The Synthesis of erythro3Hydroxy2methoxy | 65 |
Experiments on the Synthesis of Tetrahydroworenine | 79 |
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acetic acid acetic anhydride acetone alcohol alkaline Amer anhydride aqueous sodium atom band benzene boiling bromide Calc carbon carbonyl Chem chloroform colour colourless colupulone complex compound concentration cooled crystallised crystals curve cyclohexanone D.Sc decomp derivatives dibromide dilute dioxide dissolved distilled dried ester ethanol ether ethyl acetate EtOH evaporated EXPERIMENTAL extracted filtered formation formed Found fraction gave give H₂O heated hydrochloric acid hydrogen chloride hydrolysis infra-red iodide iodine kcal./mole ketone light petroleum b. p. m. p. and mixed method methyl mixed m. p. mixture mole molecules needles nitrate nitrogen obtained oxidation oxidised oxygen phenol potassium potassium hydroxide precipitate prepared prisms pyridine reaction reagent refluxed Reprint Order requires residue room temperature salt scandium sodium hydroxide solid soluble solution solvent solvolysis spectra spectrum structure sulphate sulphuric acid Table tube values yield