The chemistry of triterpenes and related compounds. Part XLVI. Some novel products from the ozonolysis of methyl acetylbetulinate
作者:R. T. Aplin、Rosalind P. K. Chan、T. G. Halsall
DOI:10.1039/j39690002322
日期:——
Ozonolysis of methyl acetylbetulinate (II) gives number of products in addition to the nor-ketone (V) formed by the normal fission of the isopropenyl double-bond. They include the Baeyer–Villiger oxidation product (VIII) of the nor-ketone and two trisnor-compounds. In one of these (XVIII) the isopropenyl group has been lost and a Δ18,19 double-bond has been formed at the carbon to which it was attached