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.
President Vladimir V. Putin of Russia in Moscow on Wednesday. President Vladimir V. Putin of Russia celebrated his 64th birthday on Friday with an outsize gift from his countryâs Parliament: a bouquet of 450 roses, one from each member of the State Duma, or lower house of Parliament.