反应条件
<b>With</b> <a href="#" onclick="return RXDsubstances(event, this, '472690', constants.ctx, '0')">toluene-4-sulfonic acid</a> <b>in</b> <a href="#" onclick="return RXDsubstances(event, this, '635760', constants.ctx, '0')">toluene</a> <br /> Reflux; <br /> <br />
参考文献
Damaj, Bassam B.; Martin, Richard M. Patent: US2014/170207 A1, 2014 ; Location in patent: Paragraph 0332; 0333 ;