Journal of the Chemical Society, Part 1The Society., 1959 |
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Page 140
... iodide ( 8 c.c. ) and methyl alcohol ( 3 c.c. ) was refluxed gently with powdered anhydrous potassium carbonate ( 2 g . ) for 6 hr . , the mixture was evaporated to dryness under reduced pressure , and the residue extracted with cold ...
... iodide ( 8 c.c. ) and methyl alcohol ( 3 c.c. ) was refluxed gently with powdered anhydrous potassium carbonate ( 2 g . ) for 6 hr . , the mixture was evaporated to dryness under reduced pressure , and the residue extracted with cold ...
Page 141
... iodide was cleaved nearly quantitatively into cholest - 5 - ene and tri- methylammonium iodide by being heated for 4 min . at 170 ° . Effect of Base on Rate of Hofmann Fission of 6B - Cholestanyltrimethylammonium Iodide in Ethanol . The ...
... iodide was cleaved nearly quantitatively into cholest - 5 - ene and tri- methylammonium iodide by being heated for 4 min . at 170 ° . Effect of Base on Rate of Hofmann Fission of 6B - Cholestanyltrimethylammonium Iodide in Ethanol . The ...
Page 710
... iodide in presence of an excess of methyl iodide.18 The methyl iodide in [ ( PEt3 ) ¿ PtMeI2 ] is rather loosely held and is removed in 3 hours at 80 ° / 0.01 mm . , or slowly in boiling solvents . It is not held as solvent of ...
... iodide in presence of an excess of methyl iodide.18 The methyl iodide in [ ( PEt3 ) ¿ PtMeI2 ] is rather loosely held and is removed in 3 hours at 80 ° / 0.01 mm . , or slowly in boiling solvents . It is not held as solvent of ...
Contents
3Dioxa and 1 3 | 1 |
Triterpenoids Part LVII The oxidation of norfriedelanone with selenium dioxide | 38 |
2dichloro3 4epoxybutane and related compounds | 44 |
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absorption acetic acid acetone acetyl chloride added alcohol alkaline alumina Amer amine anhydride aqueous sodium atom band benzene boiling bond bromide Calc carbonyl CH₂ Chem chloroform chromatography complex compound concentrated cooled crystallised cyclohexene decomp derivative dilute dioxan distilled dried electron eluted epoxide ester ethanol evaporated excess extracted with ether filtered filtrate fluoride formation formed Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis hydroxyl ibid infrared spectrum iodide isolated isomers ketone lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mmole molecule needles nitrate nitrogen nitrous acid obtained olefin oxidation oxygen peroxide picrate potassium hydroxide precipitate prepared pyridine radicals reaction reagent reduced requires residue room temperature salt separated sodium hydroxide solid solution solvent spectra structure sulphuric acid Table tetrachloride triethylamine ultraviolet values washed yellow yield