1: benzene; tetrahydrofuran 2: neat (no solvent) View Scheme

<b>With</b>&nbsp; TlNO₃&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '741857', constants.ctx, '0')">acetonitrile</a> <br />&nbsp;byproducts: TlCl; (N2); to stirred MeCN soln. of Pt complex was added TlNO3 in MeCN/H2O (1:5), TlCl pptd., after stirring for 10 min soln. was filtered; filtrate was concd. under vac., formed oil was extd. with warm petroleum ether, on cooling at -10&deg;C overnight needles of product pptd.;&nbsp;<br /> &nbsp;