4-Phenoxyphenylboronic acid → HCID 86680675, compound

Participants

Reaction Steps

This compound was prepared from tert-butyl 5-((diphenoxyphosphoryl)oxy)-2H-1,4-oxazine-4(3H)-carboxylate and 4-phenoxyphenylboronic acid using a procedure similar to that described in Example 2 (Steps 1-3a) above. The product was isolated as a white solid (50% yield); 1H-NMR (d6-DMSO) 1.24 (9H, s), 3.68 (2H, t), 4.09 (2H, t), 6.38 (1H, s), 6.96-6.98 (4H, m), 7.11 (1H, m), 7.21 (2H, d), 7.37 (2H, t); MS ES(+) 298.1 (M+-tBu). IR λmax=1697 cm−1.

Provenance & Evidence