Methylhydrazine → (2S,4R)-1-(1,5-Dimethyl-1H-pyrazol-3-yl)-4-(2-trifluoromethyl-benzenesulfonyl)-pyrrolidine-2-carboxylic Acid Methyl Ester

Beteiligte Stoffe

Reaktionsschritte

In analogy to the procedure described in example 192 h, (2S,4R)-1-(3-oxo-thiobutyryl)-4-(2-trifluoromethyl-benzenesulfonyl)-pyrrolidine-2-carboxylic acid methyl ester (example 192 g) was reacted with methyl-hydrazine (CAS Reg. No. 60-34-4) to give the title compound as yellow solid. MS (ESI): m/z=432.1 [M+H]+.

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