6-(Dimethylamino)pyridine-3-boronic acid → 2-Tert-butoxy-2-(1-(4-chlorophenyl)-4-(6-(dimethylamino)pyridin-3-yl)-3-methylnaphthalen-2-yl)acetic acid

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Reaction Steps

2-tert-Butoxy-2-(1-(4-chlorophenyl)-4-(6-(dimethylamino)pyridin-3-yl)-3-methylnaphthalen-2-yl)acetic acid (137) was prepared in a manner similar to 2-tert-butoxy-2-(1-(4-chlorophenyl)-3,4-dimethylnaphthalen-2-yl)acetic acid of Example 125, except using 2-(N,N-dimethylamino)-pyridin-5-yl-boronic acid in the Suzuki reaction, giving the title compound. 1H-NMR: (400 MHz, DMSO-d6): δ 8.02-8.00 (m, 1H); 7.78 (m, broad, 1H); 7.72-7.69 (m, 1H); 7.67-7.65 (m, 1H); 7.52-7.49 (m, 1H); 7.45-7.36 (m, 4H); 7.23 (d, J=8.0 Hz, 2H); 5.11 (s, 1H); 2.29 (d, J=1.2 Hz, 3H); 0.93 (d, J=1.2 Hz, 9H). LCMS-ESI+ (m/z): [M+H]+ calcd for C30H32ClN2O3: 503.2; Found: 503.3.

Provenance & Evidence