(E)-3-{1'-[2-(4-fluoro-phenyl)-ethyl]-4-oxo-spiro(chromane-2,3'-azetidine)-6-yl}-acrylic acid methyl ester 、
盐酸 以
溶剂黄146 为溶剂,
以giving (E)-3-{1′-[2-(4-fluoro-phenyl)-ethyl]-4-oxo-spiro(chromane-2,3′-azetidine)-6-yl}-acrylic acid as a yellow solid的产率得到(E)-3-{1'-[2-(4-fluoro-phenyl)-ethyl]-4-oxo-spiro(chromane-2,3'-azetidine)-6-yl}-acrylic acid