1: 70 percent / 96 percent H2SO4 / CH2Cl2 / -25 - 20 °C 2: 91 percent / N2H2*H2O / ethanol / 0 - 20 °C 3: 89 percent / 100 percent HNO3 / CH2Cl2 / 2 h / 0 °C View Scheme

1: 70 percent / 96 percent H2SO4 / CH2Cl2 / -25 - 20 °C 2: 91 percent / N2H2*H2O / ethanol / 0 - 20 °C 3: 89 percent / 100 percent HNO3 / CH2Cl2 / 2 h / 0 °C 4: 80 percent / 96 percent H2SO4 / CH2Cl2 / -25 - 20 °C 5: 47 percent / 100 percent HNO3 / CH2Cl2 / 2 h / 0 °C View Scheme

1: 70 percent / 96 percent H2SO4 / CH2Cl2 / -25 - 20 °C 2: 91 percent / N2H2*H2O / ethanol / 0 - 20 °C 3: 89 percent / 100 percent HNO3 / CH2Cl2 / 2 h / 0 °C 4: 80 percent / 96 percent H2SO4 / CH2Cl2 / -25 - 20 °C View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587310', constants.ctx, '0')">nitric acid</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />T=0&deg;C;&nbsp;nitrolysis;&nbsp;2&nbsp;h;&nbsp;<br /> &nbsp;