title: Synthesis of the physostigmine ring system from cycloprop[b]indoles.
mesh_terms: D003521:Cyclopropanes; D007211:Indoles; D008722:Methods; D010830:Physostigmine / Q000138:chemical synthesis*
chemical_list: D003521:Cyclopropanes; D007211:Indoles; D010830:Physostigmine