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The structure of quassin

✍ Scribed by Z. Valenta; A.H. Gray; S. Papadopoulos; C. Podešva

Book ID
104249850
Publisher
Elsevier Science
Year
1960
Tongue
French
Weight
425 KB
Volume
1
Category
Article
ISSN
0040-4039

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✦ Synopsis

THE constituents of Quassia amara have been thoroughly investigated by Robertson l-5 . He found that the bitter extract consists of quassin, Cs2H2s06, and Cs2Hs006, which are in a lactone-hemiacetal relationship. Quassin contains two methoxyl groups, at least three Cmethyl groups and no active hydrogen. The infrared (ymax 1745, 1695, 1680, 1640 cm-') and ultraviolet spectra (hax ' E. London, A. Robertson and H. Worthington, J. Chem. \soc. x, 3431.

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