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1996-05-06
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Newsgroups: alt.drugs,alt.drugs.chemistry
From: osiris@netcom.com (Jon M. Taylor)
Subject: Methaminorex synthesis
Message-ID: <osirisCv5AtD.Asr@netcom.com>
Date: Fri, 26 Aug 1994 13:58:24 GMT
Synthesis of Methylaminorex: US Patent #3,161,650
A mixture of 300cc of methanol and 50cc of water is used to dissolve
about 35g (.187 mole) of 2-amino-1-phenyl-1-propanol hydrochloride and 16.9g
(0.411 mole) of sodium acetate. To this solution there is added a
solution of 21.6g (0.206 mole) of cyanogen bromide in 200cc of methanol.
The mixture is stirred for one half hour at room temperature and then
concentrated under vacuum to remove the methanol. The residue is taken
up in water and the resulting aqueous solution is made strongly basic with
10% sodium hydroxide and then saturated with potassium carbonate. The
resulting precipitate of the crude product is filtered off, washed twice
with water and dried. The yield of 2-amino-4-methyl-5-phenyloxazoline if
12g (m. 155.5-158.5 degrees). After recrystallization from benzene, the
product melts at 154.5-156 degrees.
--
Jon M. Taylor | Atheism - Computers - The Internet - Fractals
osiris@netcom.com | Recreational Drugs - Punk Music - Martial Arts
"Killing time, waiting | Libertarianism - Science Fiction - Science Fact
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