organic chemistry - In the nitration, why fluorobenzene has less ...
2017年4月5日 · Is it because, due to the eletronegativity of Fluorine, his mesomeric effect will be less pronounced, which means the electronic density will be lower, than for the clorobenzes, in …
Rate of EAS in chlorobenzene and fluorobenzene
2016年1月4日 · In fluorobenzene the overlap between carbon 2p and fluorine 2p orbitals is very effective, but the carbon 2p orbital cannot overlap as effectively with higher p orbitals (e.g. …
Melting and boiling points of benzene and fluorobenzene
2014年12月12日 · The loss of long-range order in the solid-state, as compared to benzene, produces a lower melting point in fluorobenzene $(\pu{-44 ^\circ C})$ than in benzene …
1-bromo-2-fluorobenzene reaction with magnesium and furan
2016年4月7日 · Why does bromofluorobenzene react with magnesium and furan to form a benzyne intermediate? Does it have something to do with a Grignard being highly basic and a …
Mechansim of reaction between 1‐bromo‐2‐fluorobenzene and …
2020年7月27日 · Nothing against Safdar, but this is technically not a two-step reaction. When lithium amalgam is added to 2-bromofluorobenzene in presence of furan, the reaction goes …
Why aren't these two resonance structure same? [duplicate]
$\begingroup$ They are not "really" different, but there are two ortho carbons in fluorobenzene so you draw a resonance structure showing charge delocalization to each ortho carbon. There is …
organic chemistry - Why do the induction effects of fluorobenzene ...
2019年7月10日 · Fluorobenzene shows signs of both the electron withdrawing and electron donating groups on benzene. Electrophilic substitution to the ring is less reactive because the …
Competing resonance and inductive effects in a substituted benzene
There is a continuous rebalancing of inductive and resonance effects as we move through the series benzene, toluene, dimethyl aniline, anisole and fluorobenzene. With dimethyl aniline …
Confusion about comparing the charge densities of benzene and …
2019年9月21日 · $\begingroup$ I agree with your last sentence. But I still not understand the fact that fluorine atom deactivate the ortho and para places despite that they are more negatively …
How does 1-bromo-2-fluorobenzene react with lithium amalgam?
2019年6月15日 · $\begingroup$ It is worth noting that F is a moderate directing/stabilising group for lithiation so ortho-lithio- fluorobenzene are stable at dry ice/acetone temperatures. …