1-methyl-1H-imidazole in tert-butyl alcohol Irradiation;

1: 17 percent / N-methylimidazole / 2-methyl-propan-2-ol / Irradiation 2: 91 percent / K2CO3 / methanol 3: 43 percent / LDA View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: 72 percent / TfOH / Au(PPh₃)CH₃ / methanol; H₂O<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 96 percent / KF; 18-crown-6<br />2: 72 percent / TfOH / Au(PPh₃)CH₃ / methanol; H₂O<br /> <br /> &nbsp;

<b>Multi-step reaction with 7 steps<br /> </b>1: 98 percent / Rieke^TM-Mg<br />2: 82 percent / pyridine; DMAP<br />3: 54 percent / I₂; PhI(OOCCF₃)2<br />4: 47 percent / Et₃N / Pd(PPh₃)2Cl₂ <br />5: 96 percent / KF; 18-crown-6<br />6: 72 percent / TfOH / Au(PPh₃)CH₃ / methanol; H₂O<br /> <br /> &nbsp;