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high speed ball milling design in Moscow

high speed ball milling design in Moscow

A solid-solid ball milling reaction of chalcone and phenylhydrazine catalyzed by NaHSO 4 H 2 O (0.5 equivalents) was reported by Zhu and coworkers . The reaction proceeded effectively using a high-speed ball mill at 1290 rpm to give 1,3,5-triaryl-2-pyrazoline in good yields (up to 93%) .

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