1: 82 percent / tetrabutylammonium fluoride (TBAF) / tetrahydrofuran / 23 °C 2: 74 percent / 10percent aq. NaOH / methanol / 0 °C View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587189', constants.ctx, '0')">hydrogen</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '19232956', constants.ctx, '0')">(methyl benzoate)chromium tricarbonyl</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '635680', constants.ctx, '0')">acetone</a> <br />T=120&deg;C;&nbsp;P=51485.6&nbsp;Torr;&nbsp;15&nbsp;h;&nbsp;<br /> &nbsp;

<b>Multi-step reaction with 5 steps<br /> </b>1: 1) NaH / 1) THF<br />2: NaBH₄ / methanol / -25 &deg;C<br />3: 65percent aq. acetic acid / tetrahydrofuran / 50 &deg;C<br />4: 94 percent / imidazole / dimethylformamide / 23 &deg;C<br />5: 100 percent / H₂ / (methyl benzoate)*Cr(CO)3 / acetone / 15 h / 120 &deg;C / 51485.6 Torr<br /> <br /> &nbsp;

<b>Multi-step reaction with 6 steps<br /> </b>1: SO₃*pyridine, triethylamine / dimethylsulfoxide / 0.5 h / 23 &deg;C<br />2: 1) NaH / 1) THF<br />3: NaBH₄ / methanol / -25 &deg;C<br />4: 65percent aq. acetic acid / tetrahydrofuran / 50 &deg;C<br />5: 94 percent / imidazole / dimethylformamide / 23 &deg;C<br />6: 100 percent / H₂ / (methyl benzoate)*Cr(CO)3 / acetone / 15 h / 120 &deg;C / 51485.6 Torr<br /> <br /> &nbsp;

<b>Multi-step reaction with 4 steps<br /> </b>1: NaBH₄ / methanol / -25 &deg;C<br />2: 65percent aq. acetic acid / tetrahydrofuran / 50 &deg;C<br />3: 94 percent / imidazole / dimethylformamide / 23 &deg;C<br />4: 100 percent / H₂ / (methyl benzoate)*Cr(CO)3 / acetone / 15 h / 120 &deg;C / 51485.6 Torr<br /> <br /> &nbsp;