1: 1M DBU / acetonitrile / 0 h 2: 1M DBU / acetonitrile / 2 h View Scheme

<b>Multi-step reaction with 4 steps<br /> </b>1: pyridine / 0.5 h<br />2: pyridine / dioxane / 2.25 h<br />3: pyridine/H₂O / dioxane / 0.25 h<br />4: 67 percent / pyridine / 3 h<br /> <br /> &nbsp;

<b>Multi-step reaction with 5 steps<br /> </b>1: NaCN / methanol<br />2: pyridine / 0.5 h<br />3: pyridine / dioxane / 2.25 h<br />4: pyridine/H₂O / dioxane / 0.25 h<br />5: 67 percent / pyridine / 3 h<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 1.) Me₃SiCl, 3.) pyridine, H₂O<br />2: 67 percent<br /> <br /> &nbsp;

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<b>Multi-step reaction with 2 steps<br /> </b>1: 1.) Me₃SiCl, 3.) pyridine, H₂O<br />2: 67 percent<br /> <br /> &nbsp;