Alkaloids of Aconitum coreanum. III. 13-Acetyl-14-hydroxy-2-isobutyrylhetisine N-oxide

It has been established by the x-ray structural method that a new alkaloid isolated from the epigeal part ofAconitum coreanum has the structure of 13-acetyl-14-hydroxy-2-isobutyrylhetisine N-oxide. This is the first time that a N-oxide has been isolated among the hetisine alkaloids.Institute of the Chemistry of Plant Substances, Uzbek SSR Academy of Sciences, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 378–383, May–June, 1990.