Phosphorothioic Acids and Related Compounds as Surrogates for H<sub>2</sub>S—Synthesis of Chiral Tetrahydrothiophenes
作者:Forest J. Robertson、Jimmy Wu
DOI:10.1021/ja210758n
日期:2012.2.8
The convenient preparation of chiral tetrahydrothiophenes (THTs) in high enantiopurity via phosphorothioic acids and relatedcompounds is reported. We consider these to be safer alternatives to the use of H(2)S which is a highly toxic gas. Each of the THTs is derivedfrom a common intermediate, thereby greatly enhancing the flexibility of the synthesis. The key transformation is a base-promoted, intramolecular