Abstract (+)-(R)-5-Methyl-and (+)-(R)-2, 5-dimethyl-8-isopropylidene-5, 6-dihydro-7H- quinoline, 7 and 11, were synthesized by reaction of (R)-pulegon morpholino-enamine with acrolein or methyl vinyl ketone. The Michael adducts thus formed were reacted with hydroxylammonium hydrochloride in polar media. Compound 7 was also obtained by thermal rearrangement of the O-allyl ether of pulegone oxime. The selectivity of both ...
