Sodium borohydride → N-[2-(3-acetyl-5-amino-2-phenyl-2,3-dihydro-1,3,4-thiadiazol-2-yl)ethyl]methanesulfonamide

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Reaction Steps

In the same manner as that of the method described in WO2003/051854, from N-[4-acetyl-5-(2-methanesulfonylaminoethyl)-5-phenyl-4,5-dihydro-1,3,4-thiadiazol-2-yl]acetamide (5.22 g, 13.6 mmol) obtained in Step 2 mentioned above, sodium borohydride (5.14 g, 136 mmol), and cerium chloride heptahydrate (5.07 g, 13.6 mmol), N-[2-(3-acetyl-5-amino-2-phenyl-2,3-dihydro-1,3,4-thiadiazol-2-yl)ethyl]methane-sulfonamide was obtained.

Provenance & Evidence