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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 39, 2008 - Issue 1
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Original Articles

Al(OTf)3 as an Efficient Catalyst for One-Pot Synthesis of Primary Diethyl 1-Aminophosphonates Under Solvent-Free Conditions

Sara Sobhani Department of Chemistry, College of Sciences, Birjand University, Birjand, IranCorrespondence[email protected], [email protected]
&
Zahra Tashrifi Department of Chemistry, College of Sciences, Birjand University, Birjand, Iran
Pages 120-131 | Received 12 Jun 2008, Published online: 15 Feb 2011
 
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Abstract

A simple and general method has been developed for the one-pot, three-component synthesis of a variety of primary 1-aminophosphonates catalyzed by Al(OTf)3 under solvent-free conditions in good to high yields.

ACKNOWLEDGMENTS

We are thankful to Birjand University Research Council for the support of this work.

Notes

a Isolated yield.

a Conditions: carbonyl compound/diethyl phosphite/(NH4)2CO3: 1/1/0.5.

b Conditions: carbonyl compound/diethyl phosphite/NH4OAc: 1/1/1.

c Yields refer to those of pure isolated products characterized by spectral data.

d Reaction occurred immediately.

e Conditions: therephethaldehyde/diethyl phosphite/(NH4)2CO3: 1/2/1.

f Conditions: therephethaldehyde/diethyl phosphite/NH4OAc: 1/2/2.

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