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Iodine-mediated synthesis of 4-selanylpyrazoles

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Abstract

A new and simple procedure mediated by I2 is developed for the preparation of 4-selanylpyrazoles from pyrazoles and diselenides. This metal-free protocol is convenient under neutral conditions at room temperature in a short time, and is suitable for a wide variety of starting materials and provides a series of 4-selanylpyrazoles in moderate to good yields. A plausible electrophilic substitution mechanism is hypothesized.

Graphical abstract: Iodine-mediated synthesis of 4-selanylpyrazoles

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Publication details

The article was received on 28 May 2018, accepted on 06 Jul 2018 and first published on 12 Jul 2018


Article type: Paper
DOI: 10.1039/C8NJ02629G
Citation: New J. Chem., 2018, Advance Article
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    Iodine-mediated synthesis of 4-selanylpyrazoles

    J. Wang, Y. Liu and J. Yan, New J. Chem., 2018, Advance Article , DOI: 10.1039/C8NJ02629G

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