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 Vladimirovich Putin (/ËpuËtÉªn/; Russian: Ð²Ð»Ð°Ð´Ð¸ÌÐ¼Ð¸Ñ Ð²Ð»Ð°Ð´Ð¸ÌÐ¼Ð¸ÑÐ¾Ð²Ð¸Ñ Ð¿ÑÌÑÐ¸Ð½; IPA: [vlÉËdÊ²imÊ²Éªr vlÉËdÊ²imÊ²ÉªrÉvÊ²ÉªtÉ ËputÊ²Éªn]; born 7 October 1952) is a Russian politician. Putin is the current President of the Russian Federation, 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. During his second term as Prime Minister, he was the Chairman of the ruling United Russia Party.