5-Methyl-2-(trifluoromethyl)-3-furanmethanol → 3-[5-Chloro-2-(5-methyl-2-trifluoromethyl-furan-3-ylmethoxy)-phenoxy]-azetidine-1-carboxylic acid tert-butyl ester

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Reaction Steps

Synthesized from the title compound of Step A and 3-(5-chloro-2-hydroxy-phenoxy)-azetidine-1-carboxylic acid tert-butyl ester using general procedure 7. MS (ESI): mass calcd. for C21H23ClF3NO5, 461.1; m/z found, 485.9 [M+Na]+. 1H NMR 6.91 (dd, J=8.6, 2.3 Hz, 1H), 6.84 (d, J=8.6 Hz, 1H), 6.55 (d, J=2.3 Hz, 1H), 6.22 (s, 1H), 5.07-5.00 (m, 2H), 4.90-4.81 (m, 1H), 4.30 (ddd, J=9.7, 6.5, 0.8 Hz, 2H), 4.06 (dd, J=9.8, 4.0 Hz, 2H), 2.34 (s, 3H), 1.45 (s, 9H).

Provenance & Evidence