Ultrasonic-Assisted Synthesis of Two<i> t</i>-Butoxycarbonylamino Cephalosporin Intermediates on SiO<sub>2</sub>

<div>General structure of 3-chloromethyl cephalosporin.</div>

Journal of Chemistry

Figure 1: Ultrasonic-Assisted Synthesis of Two<i> t</i>-Butoxycarbonylamino Cephalosporin Intermediates on SiO<sub>2</sub> 