1,11-Epoxypregnane 2 11alpha hydroxyprogesterone 2 3beta,20 diacetoxy 1alpha iodo 5alpha pregnan 11alpha ol 2 3beta,20 diacetoxy 1alpha,11alpha epoxy 4 pregnene 2 3beta,20 diacetoxy 4 pregnen 11alpha ol 2 3beta,20 diacetoxy 5a pregnan 11alpha ol 2 Diacetoxyiodobenzene 2 Microwave irradiation 2 Microwaves 2 Models, Molecular 2 Molecular Conformation 2 Oxygen 2 Pregnanes 2 Remote functionalization 2 article 2 light 2 methodology 2 microwave irradiation 2 oxygen 2 photolysis 2 pregnane derivative 2 reaction time 2 unclassified drug 2