%0 Journal Article %T Stereoselective epoxidation of 3£¿2-acetoxy-cholest-5-ene catalysed by perhalogenated 5,10,15, 20-tetraarylporphyrinatoiron (III) chlorides %A M Mohibb E Azam %A P C Ray %A S M S Chauhan %A S Parkash %A T K Sharma %J - %D 1994 %U https://www.ias.ac.in/describe/article/jcsc/106/03/0779-0779