hydrobromide perbromide had earlier been selectively used Fig. 1. Fig. 2. for nuclear bromination of phenols (13). Another method of entry to 3,4-benzo-9-bromo-2-oxabicylo[3.3. llnonane of the type 9 may involve oxymercuration and replacement of the chloromercury group by bromine, which is a relatively low- yield (10) (overall) process.
Officially, Vladimir Putinâs net worth is thought to be around $70 billion according to Forbes, which makes the Russian the second-richest man in the world since Bill Gatesâ net worth is $79.3 billion in 2015.
Russian President Vladimir Putin has made one small misstep in his efforts to show regular Russians how vital and relatable he is. In a bizarre photo shoot set in the gym of the state residence in Sochi, Russia, Putin pumped iron alongside Russian Prime Minister Dmitry Medvedev. The sweat pans he was wearing while doing so retail for $1,425 a pair, according to Quartz.