反应详情

With 1.10 g of the compound obtained in Step 193-3 and (4R)-4-hydroxy-N,N-dimethyl-L-prolinamide trifluoroacetate (1.83 mmol) as starting materials, respectively 202 mg (Isomer A, brown amorphous) and 343 mg (Isomer B, brown amorphous) of two species of diastereoisomers of the title compound were obtained by a similar procedure to Step 4-2.