(4R)-4-hydroxy-N,N-dimethyl-L-prolinamide trifluoroacetate → (4R)-1-{3-[4-({[tert-butyl(dimethyl)silyl]oxy}methyl)-2-methoxyphenyl]-5-chloro-2-oxo-2,3-dihydro-1H-indol-3-yl}-4-hydroxy-N,N-dimethy l-L-prolinamide

Participants

Reaction Steps

With 1.64 g of the compound obtained in Step 237-3 and (4R)-4-hydroxy-N,N-dimethyl-L-prolinamide trifluoroacetate (5.67 mmol) as starting materials, respectively 901 mg (Isomer A: colorless solid) and 288 mg (Isomer B: colorless amorphous) of two species of diastereoisomers of the title compound were obtained by a similar method to Step 28-2.

Provenance & Evidence