1-Chloromethylnaphthalene → HCID 53861434, compound

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Reaction Steps

Prepared from 2-(2-tert-butyldimethylsiloxyethyl)-3,4-dihydro-3-oxo-2H-1,4-benzoxazine by Methods F and G, alkylating with 1-chloromethylnaphthalene, in 42% overall yield. The crude product was crystallized from ether/EtOAc/hexane to afford a white solid, mp 100°-104° C.; IR (KBr) 3435, 2896, 1668, 1504, 1414, 1253, 1132, 1068, 768, 758 cm-1 ; 1H NMR (CDCl3) δ 1.92 (br s, 1H Plus HDO), 2.26-2.44 (m, 2H), 3.96 (t, J=5.6 Hz, 2H), 4.94 (dd, J=7.5, 5.6 Hz, 1H), 5.62 (ABq, JAB =16.9 Hz, 2H), 6.72 (dd, J=8.0, 1.1 Hz, 1H), 6.84 (td, J=8.1, 1.5 Hz, 1H), 6.96-7.11 (m, 3H), 7.36 (t, J=7.4 Hz, 1H), 7.54-7.64 (m, 2H), 7.78 (d, J=8.2 Hz, 1H), 7.92 (d, J=7.8 Hz, 1H), 8.04 (d, J=8.1 Hz, 1H); MH+ at m/z=334; Anal. Calc'd for C21H19NO3 : C, 75.66; H, 5.74; N, 4.20. Found: C, 75.56; H, 5.80; N, 4.14.

Provenance & Evidence