
%0 Journal Article
%A Klose, TR 
%A Mander, LN 
%T Studies on intramolecular alkylation. VII. The preparation of phenanthrene derived tetracyclic ketones : Intermediates for gibberellin synthesis
%J Australian Journal of Chemistry
%D 1974/06/01
%V 27
%N 6
%P 1287-1294
%K 
%R https://doi.org/10.1071/CH9741287
%U https://www.publish.csiro.au/paper/CH9741287 
%X The 1,2,3,4,9,10-hexahydrophenanthrenecarboxylic acids (9), (10) and (12) have been prepared and converted via their diazomethylcarbonyl derivatives to the 1,2,3,9,10,10a-hexahydro-2,l0a-ethano- phenanthren-12-one derivatives (2), (3) and (4), respectively, by short and efficient routes. 
