Journal of the Chemical SocietyThe Society., 1958 |
From inside the book
Results 1-3 of 76
Page 2657
... nitrogen and chlorine atoms outweigh any increase in conjugation due to the extra nitrogen atom . The same is true for cyanuric chloride , the chlorine frequencies being much higher than those for any of the pyrimidine derivatives . A ...
... nitrogen and chlorine atoms outweigh any increase in conjugation due to the extra nitrogen atom . The same is true for cyanuric chloride , the chlorine frequencies being much higher than those for any of the pyrimidine derivatives . A ...
Page 2976
... nitrogen atom in the pyrazolopyrimidine , and the 7 - nitrogen atom of the purine ) is further from , and less effectively conjugated with , the 1 - nitrogen atom in the pyrazolo ( 5 ' : 4 ' - 4 : 5 ) pyrimidine than in the purine , and ...
... nitrogen atom in the pyrazolopyrimidine , and the 7 - nitrogen atom of the purine ) is further from , and less effectively conjugated with , the 1 - nitrogen atom in the pyrazolo ( 5 ' : 4 ' - 4 : 5 ) pyrimidine than in the purine , and ...
Page 3622
... nitrogen atoms , one of which , N ' , is the nitrogen atom of the amino - group , the sum being taken over all nitrogen atoms in the molecule including the case where N = N ' , and л.н ' refers to the mutual polarisability of a position ...
... nitrogen atoms , one of which , N ' , is the nitrogen atom of the amino - group , the sum being taken over all nitrogen atoms in the molecule including the case where N = N ' , and л.н ' refers to the mutual polarisability of a position ...
Contents
Chemical applications of nuclear quadrupole resonance spectroscopy Part | 2634 |
541 | 2637 |
the isomerisation of normal to isosapogenins | 2645 |
114 other sections not shown
Other editions - View all
Common terms and phrases
absorption acetic acid acetic anhydride acetone acetylene activation energy added alkaline alkyl allogibberic alumina Amer amine atom benzene boiling bond bromine Calc carbon cation CH₂ Chem chloride chloroform chromatographed colourless compound concentrated containing cooled crystallised from ethanol crystals curves cyclic sulphide cyclohexene decomp derivative dilute dimethylformamide diphenylene dissolved distilled disulphide dried eluted ester ethanol ether evaporated extracted filtered filtrate formation Found fraction gave give heated hydrochloric acid hydrogen pressure hydrogen sulphide hydrogenolysis hydrolysis infrared spectrum iodide iodine ketone light petroleum b. p. lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole molecule needles nitric acid nitrogen obtained olefin oxide picrate polysulphide potassium hydroxide precipitated prepared prisms pyridine reaction reduction reflux requires residue room temperature saturated sodium hydroxide solid solvent spectra substituent sulphuric acid synthesis thiol ultraviolet vacuo washed yellow yield