1: (i) KOtBu, DMSO, (ii) (thermolysis) 2: KOtBu View Scheme

potassium tert-butylate in dimethyl sulfoxide

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11342940', constants.ctx, '0')">sodium hydroxide</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '3587218', constants.ctx, '0')">oxygen</a>;&nbsp;CoCl₂&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587155', constants.ctx, '0')">water</a> <br />T=125&deg;C;&nbsp;P=760.051&nbsp;Torr;&nbsp;2&nbsp;h;&nbsp;&nbsp;Title compound not separated from byproducts.;&nbsp;<br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3556712', constants.ctx, '0')">potassium <i>tert</i>-butylate</a> <br />T=60&deg;C;&nbsp;1.5&nbsp;h;&nbsp;<br /> &nbsp;