160481-34-5Relevant academic research and scientific papers
HIGHLY ASYMMETRIC INDUCTION IN THE DIELS-ALDER REACTION OF 3-ALKOXYCARBONYL-SUBSTITUTED CHROMONE
Ohkata, Katsuo,Kubo, Tomotaka,Miyamoto, Keiko,Ono, Makiko,Yamamoto, Junko,Akiba, Kin-ya
, p. 1483 - 1486 (2007/10/02)
The asymmetric Diels-ALder reactions of 3-alkoxycarbonyl-substituted chromones (1c) with 2,3-dimethyl- and 2-methyl-1,3-butadienes in the presence of ZnCl2 at ambient temperature afforded the adducts (3c and 4b) with high diastereofacial selectivity (>98percent) in high yield.
