From: Witek Mozga (mozgaw$##$rocketmail.com)
Date: Tue Oct 10 2000 - 14:23:43 EDT
> years already. Now we first time tried to prepare triphenylmethyl
> bromide from triphenyl methanol and HBr in water/acetic acid mixture
I worked once with triphenyl methanol in order to generate triphenyl
methyl derivative of an amide. I used acetic acid as the solvent,
and few drops of sulphuric acid as a catalyst, but the solvent had to
be strictly anhydrous. When traces of water were present the
reaction did not occurred at all.
I also transformed once triphenyl methanol into triphenylmethyl
chloride by refluxing with acetyl chloride in inert solvent (toluene, as
far as I can remember). The reaction preceded smoothly and with
good yield, so I guess you should use acetyl bromide.
With Best Regards,
Witek Mozga
mozgaw$##$rocketmail.com
mozga$##$trimen.pl
http://www.trimen.pl
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