copper; tris(dibenzylideneacetone)dipalladium (0) in dimethyl sulfoxide T=90°C; 6 h;

sodium hydroxide in methanol; water T=20°C; 4 h;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1209425', constants.ctx, '0')">perchloric acid</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '3587191', constants.ctx, '0')">dihydrogen peroxide</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '3659909', constants.ctx, '0')">vanadium pentoxide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a> <br />T=-5 - 0&deg;C;&nbsp;<br /> &nbsp;