902141-04-2Relevant academic research and scientific papers
Synthesis of (3S)-hydroxyandrosta-5,7-diene-17-ones via intramolecular cobalt-mediated [2+2+2] cycloaddition
Groth, Ulrich,Richter, Norbert,Kalogerakis, Aris
, p. 905 - 908 (2007/10/03)
A new method for the synthesis of lumisterin-type steroids following the D→ABCD approach is reported. A key step is the cobalt-induced cyclization of a cyclopentanoid enediyne, which was prepared via thioalkylation of the zinc enolate of a 2,3-substituted
