Dabco → 6-{3-Chloro-4-[2-(4-ethyl-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazin-6-yl)-3,3,3-trifluoro-2-hydroxy-1-methyl-propyl]-phenoxy}-4-trifluoromethyl-nicotinic acid methyl ester

Participants

Reaction Steps

In analogy to Example 62, step 1, 6-[2-(2-chloro-4-hydroxy-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-4-ethyl-4H-benzo[1,4]oxazin-3-one (Example 64, step 5) was reacted with methyl-6-chloro-4-(trifluoromethyl)nicotinate and DABCO to give the title compound as a white solid. MS (m/e)=633.4 [M+H+].

Provenance & Evidence