Journal of the Chemical SocietyThe Society., 1953 |
From inside the book
Results 1-3 of 80
Page 121
... ultra - violet light ; the ultra - violet extinction curves in ethanol were very similar , but as in the case of the stereoisomeric acids ( V and VII ; R = H ) the absorption curve of the trans - acid is displaced towards the longer ...
... ultra - violet light ; the ultra - violet extinction curves in ethanol were very similar , but as in the case of the stereoisomeric acids ( V and VII ; R = H ) the absorption curve of the trans - acid is displaced towards the longer ...
Page 310
... ultra - violet light of ca. 360 mp , and those zones which contain material having marked light absorption in the near ultra - violet region then show up as dark bands on a luminous background . In this way , two distinct ultra - violet ...
... ultra - violet light of ca. 360 mp , and those zones which contain material having marked light absorption in the near ultra - violet region then show up as dark bands on a luminous background . In this way , two distinct ultra - violet ...
Page 352
... ultra - violet absorption system to the visible region ; with rise in temperature , according to these authors , there is a general increase in intensity of absorp- tion which causes the low - frequency tail of the ultra - violet band ...
... ultra - violet absorption system to the visible region ; with rise in temperature , according to these authors , there is a general increase in intensity of absorp- tion which causes the low - frequency tail of the ultra - violet band ...
Contents
Internuclear Cyclisation Part VII The Synthesis of Some NitroNmethyl | 1 |
Synthesis of Polymethylnaphthalenes | 8 |
Kestose a Trisaccharide formed from Sucrose by Yeast Invertase | 24 |
121 other sections not shown
Other editions - View all
Common terms and phrases
absorption acetic acid acetic anhydride acetone acetyl acidified added alcohol alkaline aluminium aluminium chloride Amer amine aqueous sodium atom benzene boiling bromine Calc carbon Chem Chim chloroform chromatographed colourless compound concentrated cooled crystallised crystals D.Sc decomp derivatives dilute dissolved distilled dried elution equiv ester ethanol ethyl acetate ethylene evaporated extracted with ether filtered filtrate formed Found fraction gave give m. p. H₂O heated hydrochloric acid hydrogen chloride hydrogen sulphate hydrolysis hydroxyl infra-red iodide isolated ketone light petroleum b. p. liquid lithium aluminium hydride m. p. and mixed method mixed m. p. mixture mole obtained oxidation oxidised pale yellow phosphorochloridate polyporenic potassium hydroxide precipitate prepared prisms pyridine reaction reduced refluxed requires residue room temperature salt sodium hydroxide solid soluble solution solvent spectra sulphuric acid ultra-violet washed yellow needles yield