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  • 2020, 40(3)

    25 March 2020

    Cover illustration

    The synthesis of NH2-functionalized sulfonyl amidines by the reactions of enaminones and sulfonyl azides is reported by Wang, Guo and Wan on page 645. By means of cleaving the enaminones C=C double, the synthesis of NH2-functionalized N-sulfonyl amidines has been realized via the promotion of only DBU, disclosing the first metal-free method toward NH2-sulfonyl amidine synthesis.

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