Ethyl 2-tert-butoxy-2-(7-chloro-1-hydroxy-3-methylnaphthalen-2-yl)acetate → Ethyl 2-tert-butoxy-2-(7-chloro-3-methyl-1-(trifluoromethylsulfonyloxy)naphthalen-2-yl)acetate

Participants

Reaction Steps

Ethyl 2-tert-butoxy-2-(7-chloro-3-methyl-1-(trifluoromethylsulfonyloxy)naphthalen-2-yl)acetate was prepared in a similar manner to ethyl 2-(7-bromo-3-methyl-1-(trifluoromethylsulfonyloxy)-naphthalen-2-yl)-2-(4-methoxybenzyloxy)acetate of Example 67, except using ethyl 2-tert-butoxy-2-(7-chloro-1-hydroxy-3-methylnaphthalen-2-yl)acetate. 1H-NMR: (400 MHz, CDCl3): δ 8.00 (d, J=2.0 Hz, 1H), 7.73 (d, J=8.6 Hz, 1H), 7.65 (s, 1H), 7.49 (dd, J=8.6, 2.0 Hz, 1H), 5.72 (s, 1H), 4.26-4.08 (m, 2H), 2.54 (s, 3H), 1.20 (s, 9H), 1.17 (t, J=7.0 Hz, 3H).

Provenance & Evidence