title: Hydrogen-atom Abstraction/Cyclization in synthesis. Direct syntheses of coumestan and coumestrol
abstract: The synthesis of coumestrol has been achieved in five steps from 1, 3-dimethoxybenzene. The key step is a photochemical cyclization of a glyoxylate ester.
authors.affiliation: Department of Chemistry and Program in Toxicology, Iowa State University, Ames, Iowa 50011, USA.
authors.initials: GA
authors.lastname: Kraus
authors.initials: N
authors.lastname: Zhang