2,2'-azo-bisisobutyronitrile; tri-n-butyl-tin hydride in benzene 1 h; Heating;

2,2'-azo-bisisobutyronitrile; tri-n-butyl-tin hydride in benzene 1 h; Heating;

<b>Multi-step reaction with 3 steps<br /> </b>1: 67 percent / NBS, benzoyl peroxide / CCl₄ / 2 h / Heating<br />2: 1.) Mg / 1.) Et₂O, 2.) Et₂O, r.t., 2 d<br />3: 1.) O₃, 2.) dimethyl sulfide / 1.) CH₂Cl₂, MeOH, -78 deg C, 2.) overnight<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 89 percent / diethyl ether<br />2: 73 percent / O₃ / methanol; CH₂Cl₂ <br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 1.) Mg / 1.) Et₂O, 2.) Et₂O, r.t., 2 d<br />2: 1.) O₃, 2.) dimethyl sulfide / 1.) CH₂Cl₂, MeOH, -78 deg C, 2.) overnight<br /> <br /> &nbsp;