Quarterly Journal of the Chemical Society of London, Volume 1 |
From inside the book
Results 1-3 of 73
Page 333
... effect on C ( 4 , 6 ) is negligible ( +0.4 p.p.m. ) . Slightly more effect is felt at C ( 5 ) ( +1.2 p.p.m. ) . Introduction of a 2,2 - dimethyl group . The average value for the C ( 2 ) chemical - shift change on introduction of a 2 ...
... effect on C ( 4 , 6 ) is negligible ( +0.4 p.p.m. ) . Slightly more effect is felt at C ( 5 ) ( +1.2 p.p.m. ) . Introduction of a 2,2 - dimethyl group . The average value for the C ( 2 ) chemical - shift change on introduction of a 2 ...
Page 355
... effect of the qualitative theory , and we see that the latter is dependent not only on the electronegativity of the halogen , but also on the ability of the carbon - halogen bond to transmit this effect to the ring . This circumstance ...
... effect of the qualitative theory , and we see that the latter is dependent not only on the electronegativity of the halogen , but also on the ability of the carbon - halogen bond to transmit this effect to the ring . This circumstance ...
Page 1009
... Effect of K + ions [ K + ] 104kobs At pH 0.124 0.300 7.07 6.83 0.600 6.83 8-45 , ko in equation ( 3 ) taken as 6.83 × 10-4 min . - 1 ( ii ) Effect of Na + ions [ Na + ] 104 Robs 0.050 7.03 0.100 6.95 0.150 7.05 0.200 7.00 ( iii ) Effect ...
... Effect of K + ions [ K + ] 104kobs At pH 0.124 0.300 7.07 6.83 0.600 6.83 8-45 , ko in equation ( 3 ) taken as 6.83 × 10-4 min . - 1 ( ii ) Effect of Na + ions [ Na + ] 104 Robs 0.050 7.03 0.100 6.95 0.150 7.05 0.200 7.00 ( iii ) Effect ...
Contents
Physical organic chemistry | 1 |
Topochemistry Part XXX Crystal and molecular structures of chalcone | 11 |
Conformational studies Part I Crystal and molecular structures of cis12dipchlorobenzoyl and cis | 17 |
25 other sections not shown
Other editions - View all
Common terms and phrases
acetic acid activation added addition alcohol Amer angle appears aqueous assumed ation atoms base benzene bond bromination calculated carbon carbon tetrachloride Chem chemical Chemistry chloride compared complex compounds concentration conformation containing corresponding coupling crystal dependence derivatives determined difference DISCUSSION effect elimination energy equation error estimated ethanol ether exchange expected experimental experiments Figure formation fraction give given hydrogen increase indicators interaction intermediate involving isomer isotope kinetic measured mechanism method methyl mixture mole molecular molecule observed obtained occurs oxide oxygen parameters Phys plot position possible prepared present proton radical range rate constants ratio reaction reasonable relative reported requires respectively ring shifts shown shows similar sodium solution solvent spectra spectrum structure substituents suggested sulphuric Table temperature transition University values wave yield