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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Journal Article

Detailed investigations into the Akabori–Momotani reaction for the synthesis of amphetamine type stimulants: Part 2  [2018]

Doughty, David; Kent, Emma; Painter, Ben; Pigou, Paul E.; et al.

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The Akabori–Momotani reaction can be used to synthesise pseudoephedrine in 50% yield from N-methylalanine and benzaldehyde. This paper investigates electronic effects of substituted benzaldehydes on the reaction to synthesise amphetamine type stimulants and identifies several new Akabori–Momotani by-products, 1-[(4-methoxybenzyl)(methyl)amino]ethanol (11c), 2-(4-methoxyphenyl)-3,4-dimethyl-1,3-oxazolidine (12c), 1,2,3,4-tetramethyl-5,6-di-(4-methoxyphenyl)piperazine (13c) and 1,2,4,5-tetramethyl-3,6-di-(4-methoxyphenyl)piperazine (14c). This paper also investigates pseudoephedrine and methamphetamine isomeric distribution from the Akabori–Momotani reaction with the aid of molecular modelling to understand why more pseudoephedrine than ephedrine is produced.
From the journal
Forensic science international
ISSN : 0379-0738

Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2019
Volume:
287
Issue:
1
Extent:
207-216
Publisher:
Elsevier B.V.
All titles:
"Detailed investigations into the Akabori–Momotani reaction for the synthesis of amphetamine type stimulants: Part 2"@eng
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2019
Volume:
287
Issue:
1
Extent:
207-216
Publisher:
Elsevier B.V.
All titles:
"Detailed investigations into the Akabori–Momotani reaction for the synthesis of amphetamine type stimulants: Part 2"@eng