Spontaneous butenolide ring formation of pregnane-21-O-malonyl hemiesters under mild reaction conditions is facilitated by the 14β-hydroxy group present in all natural cardenolides

Spontaneous butenolide ring formation of pregnane-21-O-malonyl hemiesters under mild reaction conditions is facilitated by the 14β-hydroxy group present in all natural cardenolides

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron - Volume 72, Issue 30, 28 July 2016, Pages 4556-4563

R.M. Pádua, N. Meitinger, M. Hennemann, P. Schebitz, R. Waibel, S. Löber, P. Gmeiner, T. Clark, W. Kreis,