Ethyl chloroformate → HCID 58288712, compound

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Prepared from 5-tert-butyl-3-methylbenzene-1,2-diol and ethyl chloroformate; purified by flash column chromatography on silica gel to yield a sticky colorless oil (81.4%); 1H NMR (500 MHz, CDCl3, ppm) δ 7.09-7.11 (m, 2H), 4.32 (q, 2H, J=9.0 Hz), 4.31 (q, 2H, J=9.0 Hz), 2.25 (s, 3H), 1.38 (t, 3H, J=9.0 Hz), 1.37 (t, 3H, J=9.0 Hz), 1.29 (s, 9H);

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