Z-6-chloro-3-(3-chloro-benzylidene)-2-oxo-2,3-dihydro-indole-1-carboxylic acid tert-butyl ester → HCID 178515582, compound

Participants

Reaction Steps

In a manner similar to the method described in example 1e, E/Z-6-chloro-3-(3-chloro-benzylidene)-2-oxo-2,3-dihydro-indole-1-carboxylic acid tert-butyl ester prepared in example 1b (0.47 g, 1.2 mmol) was reacted 1-[2-[trans-4-(tert-butyl-dimethyl-silanyloxy)-cyclohexyloxy]-5-chloro-phenyl]-3-trimethylsilyoxy-2-aza-1,3-butadiene (3 mmol) in toluene to give racemic(2′R, 3R, 4′S)-6-chloro-2′-[5-chloro-2-(cis-4-hydroxy-cyclohexyloxy)-phenyl]-4′-(3-chlorophenyl)spiro[3H-indole-3,3′-piperidine]-2,6′(1H)-dione as a pale yellow solid (Yield 0.3 g, 42%)

Provenance & Evidence