Bhagat, Srikant ; Chakraborti, Asit K. (2008) Zirconium(IV) compounds as efficient catalysts for synthesis of α-aminophosphonates Journal of Organic Chemistry, 73 (15). pp. 6029-6032. ISSN 0022-3263
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Official URL: http://pubs.acs.org/doi/abs/10.1021/jo8009006
Related URL: http://dx.doi.org/10.1021/jo8009006
Abstract
Zirconium(IV) compounds are reported as excellent catalysts for a three-component one-pot reaction of an amine, an aldehyde or a ketone, and a di/trialkyl/aryl phosphite to form α-aminophosphonates under solvent-free conditions at rt. Among the various zirconium compounds, ZrOCl2·8H2O and ZrO(ClO4)2·6H2O were most effective. The reactions were faster with dialkyl/diaryl phosphites than with trialkyl/triaryl phosphites. No O−Me cleavage occurs with aryl methyl ether and methyl ester groups. α,β-Unsaturated carbonyl moiety does not undergo conjugate addition with the phorphorous moiety.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 100407 |
| Deposited On: | 20 Jan 2017 05:55 |
| Last Modified: | 20 Jan 2017 05:55 |
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