Benzo[b]thiophen-3(2H)-one 1,1-dioxide—a versatile reagent in the synthesis of spiroheterocycles

doi:10.1016/J.TET.2008.07.112

Paper

Benzo[b]thiophen-3(2H)-one 1,1-dioxide—a versatile reagent in the synthesis of spiroheterocycles

Published Oct 13, 2008 · B. Cekavicus, B. Vigante, E. Liepinsh

Tetrahedron

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Abstract

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Study Snapshot

Benzo[b]thiophen-3(2H)-one 1,1-dioxide is a versatile reagent for the synthesis of spiroheterocycles, with potential applications in the synthesis of new heterocyclic systems.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

Benzo[b]thiophen-3(2H)-one 1,1-dioxide—a versatile reagent in the synthesis of spiroheterocycles

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References

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The Cambridge Structural Database (CSD) contains more than a quarter of a million small-molecule crystal structures, with projections indicating that it will contain at least 500,000 crystal structures by 2010.

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The 1,4-dihydrobenzothieno[3,2-b]pyridine-5,5-dioxides show promising properties for electrochemical oxidation, with a sulfonyl group in the indene segment affecting pK and electrochemical oxidation potential.

Formation of a derivative of 3,3,5-tricarbonyl-1,2,3,4-tetrahydropyridine under the conditions of the hantzsch synthesis

The synthesis of 3,5-diethoxycarbonyl-3-p-nitrobenzoyl-6-p-nitrophenyl-1,2,3,4-tetra-hydropyridine under the conditions of the Hantzsch synthesis provides a new method for preparing tetrahydropyridine derivative

Enaminones in the mannich reaction. Part 2. Further investigations of internal mannich reactions

The gem-dimethyl group of the dimedone derivative directs the reaction to produce spiran, while unsubstituted cyclohexanedione enaminone yields mixtures of spiran and acridinedione derivatives.

New reactions of 1,3,5- trialkyl-hexahydro-1,3,5-triazines : Part 1. The formation of 3,7-diazabicyclo [3,3,1] nona-2,6-diones and hexahydropyrimidines using activated acetates

Activated acetates can form 3,7-diazabicyclo [3,3,1] nona-2,6-diones and hexahydropyrimidines by reacting with 1,3,5-trialkyl hexahydro-1,3,5-triaz

The reactions with aldehydes of enaminones derived from dimedone

Dimedone-derived enaminones can react with aldehydes to produce various derivatives, including decahydro-acridinedione, benzaldehyde-derived decahydro-acridinedione, and acetaldehyde-

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