European Journal of Organic Chemistry p. 4112 - 4115 (2020)
Update date:2022-08-18
Topics:
Bubyrev, Andrey
Dar'in, Dmitry
Kantin, Grigory
Krasavin, Mikhail
Preparation of CH-diazomethane sulfonamides has been developed for the first time. Their utility as a new type of diazo reagents was showcased in cycloaddition reactions with electron-deficient alkynes and β-nitro styrenes which delivered medicinally important pyrazole-3-sulfonamides in good to excellent yields.
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