The cleavage of 1-amino-2′-nitrobenzylphosphonates in a basic medium. Formation of the 3-amino-2,1-benzisoxazole derivatives

doi:10.1016/S0040-4020(97)00721-7

Paper

The cleavage of 1-amino-2′-nitrobenzylphosphonates in a basic medium. Formation of the 3-amino-2,1-benzisoxazole derivatives

Published Aug 18, 1997 · B. Boduszek, A. Halama, J. Zoń

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Abstract

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C-P bond cleavage in 1-amino-2′-nitrobenzylphosphonic acids with aqueous sodium hydroxide leads to the formation of 3-amino-2,1-benzisoxazole derivatives, which can be converted to cyclic phosphorus compounds.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

The cleavage of 1-amino-2′-nitrobenzylphosphonates in a basic medium. Formation of the 3-amino-2,1-benzisoxazole derivatives

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References

The acidic cleavage of pyridylmethyl(amino)phosphonates. Formation of the corresponding amines

Hydrolysis of 2- and 4-pyridylmethyl(amino)phosphonates leads to the formation of amines, while basic hydrolysis produces monoalkyl esters.

The synthesis of 1-aminobenzylphosphonic acids from benzylidenediphenylmethylamines, for use as structural units in antithrombotic tripeptides

1-aminobenzylphosphonic acids can be efficiently synthesized from benzylidenediphenylmethylamines, providing valuable structural units for antithrombotic tripeptides.

Comprehensive Heterocyclic Chemistry IV

CHEC III provides a comprehensive overview of heterocyclic chemistry, covering three- and four-membered heterocycles, their fused systems, and their fused derivatives.

Citations

A Facile One-Pot Synthesis of 3-Methylbenzisoxazoles via a Key Intermediate of ortho-Ethoxyvinyl Nitroaryls by Domino Rearrangement and Their Anti- Inflammatory Activity.

A simple, one-pot method has been developed for synthesizing novel 3-methylarylisoxazoles with high purity and anti-inflammatory activity.

Chemoselective Reductive Heterocyclization by Controlling the Binomial Architecture of Metal Particles and Acid–Base Properties of the Support

Pt/MgO catalysts are the most active and selective for selective synthesis of 2,1-benzisoxazoles, with maximum activity and selectivity achieved by controlling metal particle architecture and acid-base properties of the support.

Diverting Reactive Intermediates Toward Unusual Chemistry: Unexpected Anthranil Products from Davis-Beirut Reaction.

Diverting reactive intermediates from their expected reactivity can lead to unexpected products in the Davis-Beirut reaction, offering a potential general approach for reaction design and development.

New 3-substituted-2,1-benzisoxazoles: Synthesis and antimicrobial activities

New 3-substituted-2,1-benzisoxazoles show promising antiplasmodial activity against Plasmodium falciparum and Geotrichum candidum, with imino-benzisoxazole showing the best hit against malaria parasites.

Vasicine from Adhatoda vasica as an organocatalyst for metal-free Henry reaction and reductive heterocyclization of o-nitroacylbenzenes

Vasicine from Adhatoda vasica leaves effectively catalyzes metal-free Henry reactions and reductive heterocyclization of o-nitroacylbenzenes, enabling the synthesis of various -nitro alcohols and 2,1-benzisoxazoles under mild conditions.