4-(4-(3-Cyano-4-(ethylsulfonyl)phenylamino)-4-oxobutyl)phenylboronic acid → HCID 68818193, compound

Participants

Reaction Steps

Using a procedure analogous to that used to prepare 6D, 56A (630 mg, 1.69 mmol) was reacted with 5,5′,5′-tetramethyl-[2,2′]bi[[1,3,2]dioxaborinanyl] to give 56B (350 mg, 61%) as a solid. 1H NMR (400 MHz, MeOD-d4) δ ppm 0.98 (t, 3 H) 2.42 (q, 2 H) 2.73 (t, 2 H) 4.10 (t, 2 H) 6.82 (d, 1 H) 7.02 (d, 1 H) 7.09 (t, 2 H) 7.15 (t, 1 H) 7.36 (d, 1 H) 7.58-7.63 (m, 1 H).

Provenance & Evidence