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6654832 
Journal Article 
SYNTHESIS AND SPECTRAL-ANALYSIS OF (+/-)-CIS-N-[1-(2-HYDROXY-2-PHENYLETHYL)-3-METHYL-4-PIPERIDYL]-N-PHENYLPROPANAMIDE AND (+/-)-CIS-N-[1-(2-HYDROXY-1-PHENYLETHYL)-3-METHYL-4-PIPERIDYL]-N-PHENYLPROPANAMIDE 
Brine, GA; Sawyer, DK; Huang, PT; Stark, PA; Gaetano, KD; Carroll, FI; , 
1992 
Yes 
Journal of Heterocyclic Chemistry
ISSN: 0022-152X 
WILEY 
HOBOKEN 
29 
1773-1779 
English 
Treatment of (+/-)-cis-N-(3-methyl-4-piperidyl)-N-phenylpropanamide (2) with styrene oxide (1) yielded a mixture of (+/-)-cis-N-[1-(2-hydroxy-2-phenylethyl)-3-methyl-4-piperidyl]-N-phenylpropanamide (3) and (+/-)-cis-N-[1-(2-hydroxy-1-phenylethyl)-3-methyl-4-piperidyl]-N-phenylpropanamide (4). The structure of compound 3 was confirmed by an unambiguous synthesis via (+/-)-cis-N-[1-(2-oxo-2-phenylethyl)-3-methyl-4-piperidyl]-N-phenylpropanamide (6). The proton and carbon-13 resonances of compounds 3 and 4 were assigned with the aid of two-dimensional heteronuclear correlation experiments.