An atom efficient, green synthesis of 2-pyrazoline derivatives under solvent-free conditions using grinding technique

A simple, rapid, efficient, and environmentally benign procedure for synthesis of 2-pyrazoline derivatives has been achieved by reacting 2′-hydroxychalcones with hydrazine hydrate under solvent-free grinding technique. The short reaction time, cleaner reaction, easy workup, higher yields, and mild r...

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Veröffentlicht in:Green chemistry letters and reviews 2013-06, Vol.6 (2), p.123-127
Hauptverfasser: Zangade, Sainath B., Mokle, Shyam S., Shinde, Avinash T., Vibhute, Yeshwant B.
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container_start_page 123
container_title Green chemistry letters and reviews
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creator Zangade, Sainath B.
Mokle, Shyam S.
Shinde, Avinash T.
Vibhute, Yeshwant B.
description A simple, rapid, efficient, and environmentally benign procedure for synthesis of 2-pyrazoline derivatives has been achieved by reacting 2′-hydroxychalcones with hydrazine hydrate under solvent-free grinding technique. The short reaction time, cleaner reaction, easy workup, higher yields, and mild reaction conditions make this protocol practical and economically attractive in comparison with the classical reaction.
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subjects 2-pyrazolines
2′-hydroxychalcones
Derivatives
Green chemistry
grinding technique
solvent free
title An atom efficient, green synthesis of 2-pyrazoline derivatives under solvent-free conditions using grinding technique
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