A Facile Synthesis of Isochromenes Based on Reactions of 2-Lithio-β-methoxystyrenes with Carbonyl Compounds - Kobayashi, Kazuhiro; Nagaoka, Toshiyuki; Fukamachi, Shuhei; Shirai, Yuu; Morikawa, Osamu; Konishi, Hisatoshi (Synthesis, 2007)