Yagishita Fumitoshi   Kato Mamoru   Uemura Naohiro   Ishikawa Hiroki   Yoshida Yasushi   Mino Takashi   Kasashima Yoshio   Sakamoto Masami   
Chemistry Letters 45(11) 1310-1312 2016年11月 [査読有り]
<p>Unprecedented absolute asymmetric synthesis was carried out using frozen chirality derived from chiral crystals of achiral coumarin-3-carboxamide and carbenoids. An enantioselective cycloaddition reaction with a sulfur ylide gave an optically a...