From: Ravi Orugunty (rorugunty$##$oragenics.com)
Date: Mon Jan 30 2006 - 09:18:29 EST
plastic is recomended for deprotections of silyl groups
Fluoride reagents do react with glass
best regards
ravi
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Today's Topics:
1. RE: How to use HBF4 (54% in diethyl ether)? (Huan liang)
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Message: 1
Date: Sat, 28 Jan 2006 12:44:42 -0800
From: "Huan liang" <z95709$##$hotmail.com>
Subject: RE: ORGLIST: How to use HBF4 (54% in diethyl ether)?
To: everybody$##$orglist.net
Message-ID: <BAY108-F16959AAD0DF3A027A0ADD187170$##$phx.gbl>
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I did some silyl-deprotection reaction before. I used "HF in Pyr" in the
glass R.B. flask, which is fine. The Brand is Pyrex glass. I don't know if
other brand galsswares are good or not.
I knew some other group do reactions in the plastic vials.
Careful when quench reactions. bicarbonate reacts vigorously with HF.
good luck
LIANG, HUAN (steven)
----Original Message Follows----
From: Himanshu Atheaya <himanshuatheaya$##$yahoo.com>
To: everybody$##$orglist.net
Subject: ORGLIST: How to use HBF4 (54% in diethyl ether)?
Date: Fri, 27 Jan 2006 05:38:33 -0800 (PST)
Dear all
I have to use HBF4 (54% in diethyl ether) for a reaction. Does anybody
have idea how to use that ie whether glass syringes and needles can be used
or some other means to be used and is there any special precaution to be
used as it contains HF.
thanks
Himanshu
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