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Q: chemical synthesis ( No Answer,   1 Comment )
Question  
Subject: chemical synthesis
Category: Science > Chemistry
Asked by: chemist77-ga
List Price: $2.00		 Posted: 09 Mar 2005 13:46 PST
Expires: 08 Apr 2005 14:46 PDT
Question ID: 490157 
can you give me a procedure to synthesize pentafluorophenyl boronic acid?
Answer  
There is no answer at this time.

Comments  
Subject: Re: chemical synthesis
From: dr_bob-ga on 10 Mar 2005 09:24 PST		  
1.) buy it. ca ~$10/g Alfa Aesar

2.) start with bromide $3/g, make grignard (ether @ 0 C), chuck in
trimethyl borate(ether 0C).  dump reaction into  5% HCL.
recrystallize, toluene (51%)

Zeitschrift fuer Anorganische und Allgemeine Chemie  (2002),  628(13),  2827-2833


Alternatively make ur advisor buy it after trying to make the pinacol
boron using this effed up catalyst..lol

Journal of the American Chemical Society  (2000),  122(51),  12868-12869
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