著者所属:Faculty of Pharmaceutical Sciences, School of Medicine, Hokkaido University Faculty of Pharmaceutical Sciences, School of Medicine, Hokkaido University
The syntheses of 1-methyl spiro[indoline-3, 1'-pyrrolizidine and -indolizidine]-2-one are described. The latter was obtained as two diastereoisomers, the stereochemistry of which was discussed mainly by their infrared absorption spectra.