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.
political affiliation. Vladimir Putin, in full Vladimir Vladimirovich Putin (born October 7, 1952, Leningrad, Russia, U.S.S.R. [now St. Petersburg, Russia]), Russian intelligence officer and politician who served as president (1999â2008, 2012â ) of Russia and also was the countryâs prime minister (1999, 2008â12).