bis Wittig olefination;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '506008', constants.ctx, '0')">dimethyl sulfoxide</a> <br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: LAH<br />2: activated dimethylsulfoxide<br /> <br /> &nbsp;