Ramazani A, Rahimifard M, Souldozi A. Silica Gel Powder Catalyzed Stereoselective Conversion of 2-(2-acetylphenoxy)-3- (triphenylphosphoranylidene)- butanedioates to Dialkyl (Z)-2-(2-Acetylphenoxy)- 2- butenedioates in Solvent-free Conditions. ajc [Internet]. 2010 Mar. 30 [cited 2025 Apr. 17];18(1):695-7. Available from: https://asianpubs.org/index.php/ajchem/article/view/21429