Add time:08/21/2019         Source:sciencedirect.com

Publisher SummaryThis chapter discusses the analytical profile of lobeline hydrochloride. Lobeline is one of the pyridine-piperidine alkaloids. Its chemical structure was proposed by Wieland and co-workers, and has been confirmed by the total synthesis of the alkaloid, which was first carried out by the same group and later by others. Lobeline occurs as needles from alcohol, ether, and benzene, and having a bitter taste. It is slightly soluble in water; soluble in hot alcohol; in chloroform; in ether and in benzene. The X-ray diffraction pattern of lobeline hydrochloride was determined with a Philips X-ray diffraction spectrogoniometer equipped with PW 1730 generator. The ultra voilet absorbance spectrum of lobeline hydrochloride in methanol was scanned from 200 to 400 nm, using a Pye-Unicm SP 8-100 Spectrophotometer. The IR spectrum of lobeline hydrochloride as a KBr-pellet was recorded on a Perkin Elmer 580B Infrared Spectrophotometer.

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