tert-Butyl 4'-(bromomethyl)biphenyl-2-carboxylate → HCID 131717243, compound

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Reaction Steps

The titled compound was prepared by the alkylation of 6-chloro-8-butyl purine (0.063 g, 0.3 mmol) with t-Butyl-4-bromomethylbiphenyl-2'-carboxylate (0.104 g, 0.3 mmol) according to the procedure described in Step 3 of Example 12. After flash-chromatographic purification of the crude product using ethyl acetate-hexane (1:1), the product was obtained as a foam (0.085 g, 60%). NMR (CDCl3): δ0.946 (t, J=9 Hz, 3H), 1.26 (s, 9H), 1.464 (m, 2H), 1.86 (m, 2H), 2.91 (m, 2H), 5.51 (s, 2H), 7.16-7.51 (m, 7H), 7.78 (m, 1H) and 8.723 (s, 1H). FAB-MS: m/e 477 and 479 (M+H).

Provenance & Evidence