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 Putin. Vladimir Vladimirovich Putin (/ËpuËtÉªn/; Russian: Ð²Ð»Ð°Ð´Ð¸ÌÐ¼Ð¸Ñ Ð²Ð»Ð°Ð´Ð¸ÌÐ¼Ð¸ÑÐ¾Ð²Ð¸Ñ Ð¿ÑÌÑÐ¸Ð½; IPA: ( listen); born 7 October 1952) is the current President of Russia, holding the office since 7 May 2012. He was Prime Minister from 1999 to 2000, President from 2000 to 2008, and again Prime Minister from 2008 to 2012.