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.
But sometimes, it may also help to be rich because it will allow the person to focus on his job without worrying about money to provide for his family. The top 10 richest presidents in the world 2016. Vladimir Vladimirovich Putin is the fourth and current President of Russia, incumbent since 7 May 2012. He previously served as the second President from 2000 to 2008, and as Prime Minister of Russia from 1999 to 2000 and again from 2008 to 2012.