pyridinium p-toluenesulfonate in ethanol T=55°C; 3 h;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11342940', constants.ctx, '0')">sodium hydroxide</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '3587191', constants.ctx, '0')">dihydrogen peroxide</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '385629', constants.ctx, '0')">bis-(1,2-dimethylpropyl)borane</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '506007', constants.ctx, '0')">acetic acid</a> <br />&nbsp;1.) THF, -5 deg C, 5 h, 2.) 60 deg C, 12 h, 3.) 40 deg C, H₂O, 40 deg C, 40 min;&nbsp;&nbsp;Multistep reaction;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 91 percent / PPTS<br />2: 1.) (diethylamino)trimethylstannane / 2.) (MeCN)2PdCl₂ / 1.) RT, 17 h, 2.) DMF, RT, 40 min<br />3: 1.) disiamylborane, 2.) acetic acid, 3.) 33percent H₂O₂, NaOH / 1.) THF, -5 deg C, 5 h, 2.) 60 deg C, 12 h, 3.) 40 deg C, H₂O, 40 deg C, 40 min<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 91 percent / PPTS<br />2: 1.) (diethylamino)trimethylstannane / 2.) (MeCN)2PdCl₂ / 1.) RT, 17 h, 2.) DMF, RT, 40 min<br />3: 1.) disiamylborane, 2.) acetic acid, 3.) 33percent H₂O₂, NaOH / 1.) THF, -5 deg C, 5 h, 2.) 60 deg C, 12 h, 3.) 40 deg C, H₂O, 40 deg C, 40 min<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 1.) (diethylamino)trimethylstannane / 2.) (MeCN)2PdCl₂ / 1.) RT, 17 h, 2.) DMF, RT, 40 min<br />2: 1.) disiamylborane, 2.) acetic acid, 3.) 33percent H₂O₂, NaOH / 1.) THF, -5 deg C, 5 h, 2.) 60 deg C, 12 h, 3.) 40 deg C, H₂O, 40 deg C, 40 min<br /> <br /> &nbsp;