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.
Vladimir Putinâs Net Worth is the highest among his peers making him the richest president in the world and also the richest politician of them all. With Russia controlling the gas supply to Europe the European Union struggles with Putinâs aggressive economic uprising.