SALMANPOUR S, AHMADI E, KHOSRAVI N, RAMAZANI A. Silica Gel Powder Catalyzed Stereoselective Synthesis of Dialkyl 1,1-Diacetyl-8a-hydroy-8-oxo-1,2,8,8atetrahydrocyclopenta[ a]indene-2,3-dicarboxylates from the Reaction of Dialkyl 2-(1-Acetyl-2-oxopropyl)-3-(tributylphosphoranylidene). ajc [Internet]. 2010 Mar. 30 [cited 2024 Nov. 29];19(2):1567-9. Available from: https://asianpubs.org/index.php/ajchem/article/view/20288