ISSN:
1420-9071
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Medicine
Notes:
Summary Three spasmolytically active substances which contain no nitrogen, namely petasin and the petasolesters B and C, were isolated fromPetasites officinalis Moench. They are all esters of the same C15-alcohol. Petasin is an ester of angelic acid, whereas the petasolesters B and C are derivates of a new acid containing sulphur, theβ-methylmercapto-acrylic acid.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02165356