DCHAS-L Discussion List Archive
Date: Fri, 10 Mar 2006 14:07:47 EST
Reply-To: DanielD734**At_Symbol_Here**AOL.COM
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: DanielD734**At_Symbol_Here**AOL.COM
Subject: Re: Questions out of my realm
Comments: To: ACTSNYC**At_Symbol_Here**cs.com
A safer butyl lithium quench:
Slowly add the butyl lithium ( using a double tipped needle with nitrogen
pressure) to crushed dry ice. The butyl group adds to CO2 and forms the lithium
salt of pentanoic acid. The dry ice also keeps everything very cold.
When adding butyl lithium to alcohol, butane is formed along with lots of
heat. You are setting yourself up for a fire/explosion.
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