Concepedia

Regioselectivity in 1,3-Dipolar Cycloaddition of 3-(4-Ethoxyphenyl)-4-cyanosydnone with Propargylic Esters

Fung Fuh Wong, En-Ming Chang, Tse-Hsin Chen, Kuo‐Chen Chiang, Mou‐Yung Yeh

Heterocycles · 2006 · 17 citations · 7 references

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Abstract

A regioselective 1,3-dipolar cycloaddition of 3-(4-ethoxyphenyl)-4-cyanosydnone with propargylic esters having a bulky alkyl group was developed.This new reaction provided alkyl 5-cyano-1-aryl-1H-pyrazole-3-carboxylate

References

7

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