In there synthesis description Fedorov et al. write when it comes toassign the $^1$H-NMR ($\ce{CDCl3}$) assignmentschemical shifts of the $\ce{CH2}$ group in 2-(bromomethyl)phenylboronic acid
that the $\ce{CH2}$ group hasto three separate singulettssinglets at $4.75$, $5.09$ and $5.15~\ce{ppm}$ in ana ratio of $3:3:14$.
DoesCan someone has an idea or better an explanation for thatexplain their reasoning?
In there synthesis description Fedorov et al. write when it comes to the $^1$H-NMR ($\ce{CDCl3}$) assignments of 2-(bromomethyl)phenylboronic acid
that the $\ce{CH2}$ group has three separate singuletts at $4.75$, $5.09$ and $5.15~\ce{ppm}$ in an ratio of $3:3:14$.
Does someone has an idea or better an explanation for that?
Fedorov et al. assign the $^1$H-NMR ($\ce{CDCl3}$) chemical shifts of the $\ce{CH2}$ group in 2-(bromomethyl)phenylboronic acid
to three singlets at $4.75$, $5.09$ and $5.15~\ce{ppm}$ in a ratio of $3:3:14$.
Can someone explain their reasoning?
In there synthesis description Fedorov et al. write when it comes to the $^1$H-NMR ($\ce{CDCl3}$) assignments of 2-(bromomethyl)phenylboronic acid
that the $\ce{CH2}$ group has three separate singuletts at $4.75$, $5.09$ and $5.15~\ce{ppm}$ in an ratio of $3:3:14$.
Does someone has an idea or better an explanation for that?
