Journal of the Chemical Society, Part 1The Society., 1962 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Results 1-3 of 66
Page 135
... distilled . The acetal had b . p . 130-131 ° / 0.1 mm . , n , 1 · 4426 ( Found : C , 77-5 ; H , 13.3 . C22H46O2 requires C , 77.1 ; H , 13.5 % ) . meso- and racemic 1,2 - diphenylethane - 1,2 - diol were prepared according to the ...
... distilled . The acetal had b . p . 130-131 ° / 0.1 mm . , n , 1 · 4426 ( Found : C , 77-5 ; H , 13.3 . C22H46O2 requires C , 77.1 ; H , 13.5 % ) . meso- and racemic 1,2 - diphenylethane - 1,2 - diol were prepared according to the ...
Page 136
... distilled . The following fractions were obtained : ( i ) A mixture , b . p . 74-840 / 20 mm . , estimated by vapour ... distilled under reduced pressure from the deep red mixture . Hexanoic acid ( 5.6 g . ) was extracted from the ...
... distilled . The following fractions were obtained : ( i ) A mixture , b . p . 74-840 / 20 mm . , estimated by vapour ... distilled under reduced pressure from the deep red mixture . Hexanoic acid ( 5.6 g . ) was extracted from the ...
Page 1379
... distilled into the reaction vessel C. Bulb B was then sealed off and the vessel C was weighed . Ammonia was then distilled into vessel C , as described above , a blue solution being formed . Vessel C was then reweighed . This solution ...
... distilled into the reaction vessel C. Bulb B was then sealed off and the vessel C was weighed . Ammonia was then distilled into vessel C , as described above , a blue solution being formed . Vessel C was then reweighed . This solution ...
Contents
NO PAGE | 1 |
NOTES | 62 |
The use of triethylamine in the preparation of NcarboxyLproline anhydride | 68 |
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Common terms and phrases
absorption acetic acid acetone added afforded alcohol alkali Amax Amer amylose anhydride aqueous solution atom benzene bromide buffer Calc carbon carbonyl CH₂ Chem chloride chloroform chromatography coefficients colourless complexes compound concentration constant containing crystallisation crystals decomposition derivative dilute distilled double bond dried eluted ester ethanol ethyl acetate evaporated experimental filtrate formation formed Found fraction gave give H₂O heated hydrazine hydrochloric acid hydrogen hydrolysis hydroxyl infrared infrared spectrum intermediate isolated isomerisation k₁ ketal ketone light petroleum b. p. m. p. and mixed malononitrile methyl mixed m. p. mixture mole molecule needles nitrogen nucleophilic obtained oxidation phenyl polymer potassium potassium hydroxide precipitate prepared present ratio reaction reagent reduction reflux requires residue room temperature sample sodium ethoxide sodium hydroxide solid solvent spectra structure Table terpyridine triethylamine ultraviolet values washed yellow yield