机译:6-allyl-8,8-dimethyl-3-oxo-2-(1-phenylethyl)-2-azabicyclo4.3.0non-1(9)-e ne-5-carboxylic acid, a key compound in the asymmetric synthesis of quadrone
机译:6,7,8,9-tetrahydro-4-trifluoromethyl-2H-pyrano3,2-gquinolin-2-one, (I), and 6,7,8,9-tetrahydro-9-ethyl-4-trifluoromethyl-2H-pyrano3,2-gquinolin-2-on e, (II)