Reverse substituent chemical shift effec
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John Bromilow; Robert T.C. Brownlee
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Article
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1975
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Elsevier Science
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French
β 99 KB
There are many literature examples correlating C-13 n.m.r. substituent chemical shifts in substituted benzenes with Bsamett substituent constants.' The direction of these substituent chemical shifts has been logically explained in terms of substituent electronic properties; the electron donors resul