in tetrahydrofuran -75 deg C up to RT; Yield given;

dilithium tetrachlorocuprate in tetrahydrofuran T=-30°C;

dilithium tetrachlorocuprate

(i) Cp2TiCl2, THF, (ii) H2O; Multistep reaction;

Grignard reaction;

1: tetrahydrofuran / 3 h 2: 15 percent acetic acid / 16 h View Scheme

1: tetrahydrofuran 2: aq. AgNO3, CdCO3 / methanol View Scheme

n-butyllithium; acetic acid 1.) hexane, THF, 2 h, -78 deg C -> -40 deg C; 2.) THF, 3 h, -40 deg C -> -20 deg C; 3.) 16 h, ether; Yield given. Multistep reaction;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '3587194', constants.ctx, '0')">iodine</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '4948473', constants.ctx, '0')">magnesium</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1696894', constants.ctx, '0')">diethyl ether</a> <br /> <br /> &nbsp;