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ORGLIST: Hydroboration ( Peng Gao )

From: mrhneo <mrhneo>
Subject: ORGLIST: Hydroboration ( Peng Gao )
Date: Tue, 8 Feb 2011 18:17:18 -0800 (PST)
Hi Peng,
What about using water in ionic liquid? you can look at:  J. Org. Chem., 2004,
69, 3186-3189.

good luck
mita


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Sent: Mon, February 7, 2011 12:00:07 PM
Subject: Everybody Digest, Vol 70, Issue 2

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Today's Topics:

  1. Re:  Requried suggetions (Dr. Vamsi Krishna Gurram)
  2.  Hydroboration ( Peng Gao )


----------------------------------------------------------------------

Message: 1
Date: Sat, 5 Feb 2011 17:26:37 +0530
From: "Dr. Vamsi Krishna Gurram" <gurramvk>
Subject: Re: ORGLIST: Requried suggetions
To: ORGLIST - The International Mailing List of Organic Chemistry
    <everybody>
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*2*
Example 2-2; THF, in an amount of 20 mL, was placed in a four-necked flask
with a volume of 200 mL, and 10.95 g (purity: 98.7percent, 0.100 mol) of
DAMN and 12.73 g (0.120 mol) of trimethyl orthoformate were added thereto.
27 mg of methanesulfonic acid was added to the aforementioned mixture, and
the reaction mixture was stirred for one hour while maintaining the
temperature at 40.deg.C. Thereby, a slurry of MMD was obtained. THF, in an
amount of 15 mL, was added to the aforementioned slurry of MMD, followed by
adding 27.25 g (0.400 mol) of 25percent aqueous ammonia thereto. The
reaction mixture was stirred for one hour while maintaining the temperature
at 30.deg.C. Thereby, a slurry of AMD-H was obtained. A 25percent aqueous
solution of sodium hydroxide, in an amount of 32.00 g (0.200 mmol), was
added to the slurry of AMD-H. The reaction mixture was stirred for one hour
at 30 to 40.deg.C. A 35percent aqueous solution of hydrochloric acid, in an
amount of 20.8 g (0.20 mol), was added to the obtained reaction liquid. As a
result of quantitative analysis of AICN in the solution, AICN was contained
in an amount of 9.43 g (0.0872 mol).*This is Reference*
*Nippon Soda Co., Ltd. *
*Patent:*  EP2138480 A1, *2009 *;
*Location in patent: *Page/Page column 15-16 ;
<#>Goodluck

On Wed, Feb 2, 2011 at 12:49 PM, <chiragswati1> wrote:

> Can anybody give me a ides for the synthesis of the adenine or
> 4-Amino-5-Cyano-Imidazole.
>
> Kind Rgds,
> C M Patel
>
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Message: 2
Date: Sun, 6 Feb 2011 01:21:01 +0800
From: " Peng Gao " <pgao>
Subject: ORGLIST: Hydroboration
To: " Orglist " <everybody>
Message-ID: <tencent_5EDE6FC440CC93B97896219A>
Content-Type: text/plain; charset="iso-8859-1"

Hello everyone,
Is there any reaction instead of the Hydroboration Oxidation reaction or Fomal-Hydroboration Oxidaiton?
 
Thanks.
 
Peng
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