(R)-2-((4-Chlorophenoxy)methyl)oxirane → 1'-[(2R)-3-(4-chlorophenoxy)-2-hydroxypropyl]spiro[naphtho[1,2-b][1,4]oxathiine-2,4'-piperidine]-5,6-dione

Participants

Reaction Steps

Compound 183 was synthesized using spiro[naphtho[1,2-b][1,4]oxathiine-2,4′-piperidine]-5,6-dione, (2R)-2-[(4-chlorophenoxy)methyl]oxirane and conditions outlined in procedure Y. M.p.=155-157° C.; 400 MHz 1H NMR (CDCl3) δ: 8.05 (dd, J=6.4, 7.6 Hz, 1H), 7.76 (d, J=7.7 Hz, 1H), 7.68-7.64 (m, 1H), 7.51-7.47 (m, 1H), 7.25-7.22 (m, 2H), 6.86-6.84 (m, 2H), 4.14-4.11 (m, 1H), 3.98-3.96 (m, 2H), 2.94 (brs, 3H), 2.80-2.77 (m, 2H), 2.70-2.62 (m, 2H), 2.56-2.50 (m, 1H), 2.17 (d, J=13.6 Hz, 2H), 1.96-1.84 (m, 2H); LCMS: 486 [M+H]; enantiomeric excess determined from chiral HPLC: 98%; Chiral HPLC Rt=33.67 min.

Provenance & Evidence