1-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydroquinolin-2(1H)-one → HCID 178481473, compound

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Reaction Steps

In analogy to the procedure described for the preparation of intermediate A-3 [C], 1-methyl-6-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-3,4-dihydro-1H-quinolin-2-one (intermediate A-1) has been coupled to (S)-1-(5-bromo-pyridin-3-ylmethyl)-5-(tert-butyl-dimethyl-silanyloxymethyl)-pyrrolidin-2-one to give the title compound as a brown foam. MS: 480.3 (M+H+).

Provenance & Evidence