Previous Article Next Article Table of Contents Journal of the American Chemical Society, Vol.121, No.23, 5579-5580, 1999 DOI10.1021/ja9901664 Export Citation Lanthanide triflates catalyze Mn(III)-based oxidative radical cyclization reactions. Enantioselective synthesis of (-)-triptolide, (-)-triptonide, and (+)-triptophenolide Yang D, Ye XY, Gu S, Xu M Please enable JavaScript to view the comments powered by Disqus.