3-Carboxyphenylboronic acid → HCID 66697284, compound

Participants

Reaction Steps

In analogy to Example 17, step 2, trifluoromethanesulfonic acid 4-chloro-3-[3,3,3-trifluoro-2-hydroxy-1-methyl-2-(4-methyl-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazin-6-yl)-propyl]-phenyl ester (Example 17, step 1) was reacted with 3-carboxyphenylboronic acid to give the title compound as a light brown solid. MS (m/e, ISP neg. ion)=518.2 [M−H+].

Provenance & Evidence