Benzoyl chloride, 3-chloro- → 1'-(3-Chlorobenzoyl)spiro[naphtho[1,2-b][1,4]oxathiine-2,4'-piperidine]-5,6-dione

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Reaction Steps

Compound 55 was synthesized using spiro[naphtho[1,2-b][1,4]oxathiine-2,4′-piperidine]-5,6-dione, 3-chlorobenzoyl chloride and conditions outlined in procedure N. M.p.=155-158° C.; 300 MHz 1H NMR (DMSO-d6) δ 7.89 (m, 2H), 7.69 (t, 1H), 7.52 (m, 4H), 7.40 (m, 1H), 4.40 (m, 1H), 3.50 (brm, 2H), 3.24 (m, 1H), 3.11 (s, 2H), 2.08 (m, 1H), 1.90 (m, 3H); LCMS: 440 [M+H].

Provenance & Evidence