1: With water; lithium hydroxide hydrate in tetrahydrofuran; methanol 0.5 h; Reflux; 2: With hydrogenchloride in tetrahydrofuran; methanol; water pH=2 - 3;

in diethyl ether; benzene 3 h; Heating;

1.1: n-butyllithium / tetrahydrofuran; hexane / -78 - -10 °C / Inert atmosphere 1.2: 0.78 h / -78 - 20 °C / Inert atmosphere 2.1: water; sodium hydroxide / methanol / 18 h / 80 °C / Inert atmosphere View Scheme

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '16507533', constants.ctx, '0')">bis(η5-cyclopentadienyl)titanium dichloride</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />T=20&deg;C;&nbsp;6&nbsp;h;&nbsp;<br /> &nbsp;