acetyl chloride in cyclohexane soln. placed in a pressure tube fitted with a Teflon stopcock, degassed (vac.), acetyl chloride distilled onto the soln., stirred (1 h), solvent removed by vac. distillation;

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />&nbsp;inert atmosphere glovebox;&nbsp;<br /> &nbsp;

&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '102391', constants.ctx, '0')">tetrahydrofuran</a> <br />&nbsp;byproducts: NaCl; a THF suspn. of Ir-complex and PhONa was stirred at room temp. for 14 hunder inert atmosphere; THF was evapd., residue extd. with benzene, resulting suspn. was filtered through a fine, sintered-glass filter, filtrate evapd. to dryness, residue extd. into cyclohexane, ext. was refluxed for 5 min, filtered, filtrate evapd.; elem. anal.;&nbsp;<br /> &nbsp;