Multi-step reaction with 4 steps 1: KOH / methanol2: Li, liq. NH3 / diethyl ether; dioxane3: CrO3, aq. H2SO4 / acetone4: Li, H2NCH2CH2NH2 / tetrahydrofuran  

<b>Multi-step reaction with 8 steps<br /> </b>1: aq. HCl / methanol<br />2: NaBH₄ / methanol<br />3: H₂ / Raney-Ni / dioxane<br />4: Py<br />5: KOH / methanol<br />6: Li, liq. NH₃ / diethyl ether; dioxane<br />7: CrO₃, aq. H₂SO₄ / acetone<br />8: Li, H₂NCH₂CH₂NH₂ / tetrahydrofuran<br /> <br /> &nbsp;

<b>Multi-step reaction with 6 steps<br /> </b>1: H₂ / Raney-Ni / dioxane<br />2: Py<br />3: KOH / methanol<br />4: Li, liq. NH₃ / diethyl ether; dioxane<br />5: CrO₃, aq. H₂SO₄ / acetone<br />6: Li, H₂NCH₂CH₂NH₂ / tetrahydrofuran<br /> <br /> &nbsp;

<b>Multi-step reaction with 4 steps<br /> </b>1: KOH / methanol<br />2: Li, liq. NH₃ / diethyl ether; dioxane<br />3: CrO₃, aq. H₂SO₄ / acetone<br />4: Li, H₂NCH₂CH₂NH₂ / tetrahydrofuran<br /> <br /> &nbsp;

<b>Multi-step reaction with 9 steps<br /> </b>1: triethylenediamine / xylene<br />2: aq. HCl / methanol<br />3: NaBH₄ / methanol<br />4: H₂ / Raney-Ni / dioxane<br />5: Py<br />6: KOH / methanol<br />7: Li, liq. NH₃ / diethyl ether; dioxane<br />8: CrO₃, aq. H₂SO₄ / acetone<br />9: Li, H₂NCH₂CH₂NH₂ / tetrahydrofuran<br /> <br /> &nbsp;

<b>Multi-step reaction with 7 steps<br /> </b>1: NaBH₄ / methanol<br />2: H₂ / Raney-Ni / dioxane<br />3: Py<br />4: KOH / methanol<br />5: Li, liq. NH₃ / diethyl ether; dioxane<br />6: CrO₃, aq. H₂SO₄ / acetone<br />7: Li, H₂NCH₂CH₂NH₂ / tetrahydrofuran<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: CrO₃, aq. H₂SO₄ / acetone<br />2: Li, H₂NCH₂CH₂NH₂ / tetrahydrofuran<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: Li, liq. NH₃ / diethyl ether; dioxane<br />2: CrO₃, aq. H₂SO₄ / acetone<br />3: Li, H₂NCH₂CH₂NH₂ / tetrahydrofuran<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3924730', constants.ctx, '0')">lithium</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '605263', constants.ctx, '0')">ethylenediamine</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br /> <br /> &nbsp;