Journal of the Chemical Society, Part 1The Society., 1947 |
From inside the book
Results 1-3 of 4
Page 250
... mixed m . p.'s listed in the last two lines were determined by using 50/50 ... M. P. 1 < 100 ° 16 979 2 100-101 44 98 ° I 3 101-102 22 - 104 ° > 102 18 II ... mixed m . p . of these two specimens was - 106 ° . In order further to identify ...
... mixed m . p.'s listed in the last two lines were determined by using 50/50 ... M. P. 1 < 100 ° 16 979 2 100-101 44 98 ° I 3 101-102 22 - 104 ° > 102 18 II ... mixed m . p . of these two specimens was - 106 ° . In order further to identify ...
Page 389
... mixed m . p . 81.5 ° ( 2 · 6 g . or 52 % ) , was obtained by evaporating the ... mixed m . p . 39-40 ° ( 3.5 g . ) , and the residue was converted into a ... m.p. 111 ° ) ( Found : N , 6.45 . Calc . for C , H15ONS : N , 6-45 % ) . The ...
... mixed m . p . 81.5 ° ( 2 · 6 g . or 52 % ) , was obtained by evaporating the ... mixed m . p . 39-40 ° ( 3.5 g . ) , and the residue was converted into a ... m.p. 111 ° ) ( Found : N , 6.45 . Calc . for C , H15ONS : N , 6-45 % ) . The ...
Page 451
... Mixed M. ps . - The m . ps . of intimate mixtures of acetaldehyde and acetone 2 : 4 - dinitrophenyl- hydrazones , made by grinding , were as follows : CH , CHO deriv . , % M. P. CH , CHO deriv . , % M. P. 0 126 ° 10 20 30 40 115-117 ...
... Mixed M. ps . - The m . ps . of intimate mixtures of acetaldehyde and acetone 2 : 4 - dinitrophenyl- hydrazones , made by grinding , were as follows : CH , CHO deriv . , % M. P. CH , CHO deriv . , % M. P. 0 126 ° 10 20 30 40 115-117 ...
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Common terms and phrases
acetic anhydride acetone acetyl added alkaline Amer amidine amine ammonia ammonium aqueous sodium atoms benzene boiling bromide Calc CH₂ charcoal Chem chloroform colourless needles compound concentrated hydrochloric acid cooled crystallised crystallised from alcohol crystals cyanide D.Sc decomp derivative diazotised dilute dissolved distilled dried ester experimental extracted with ether filtered filtrate formed Found fraction gave give m. p. H₂O heated hydrochloric acid hydrogen chloride hydrolysis iodide isolated light petroleum m. p. and mixed methanol Methiodide method methyl alcohol minutes mixed m. p. molecular molecule nitration nitric acid obtained oxidation pale yellow petroleum b. p. phenyl picrate polymer polymerisation potassium precipitate prepared prisms pyridine reduced pressure refluxed removed requires residue room temperature salt separated sodium carbonate sodium hydroxide sodium nitrite solid soluble solvent stirred structure substance sulphate sulphide sulphone sulphuric acid washed yellow needles yield