Tian Luan, xiaocheng huang, Zhixiang Yao, Hui Su, Wan-Guo Yu
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Metal-Free Synthesis of 9-Sulfenylphenanthrenes via HNO3/HCl Promoted Annulation of 2-Alkynyl Biaryls with Disulfides
A metal-free thiolative annulation of 2-alkynylbiaryls with disulfides has been developed. This mild and efficient approach was promoted by inexpensive HNO3/HCl and afforded a range of corresponding 9-sulfenylphenanthrenes in good to excellent yields with a broad substrate scope and high functional group tolerance. Both sulfide groups of the disulfide reagent were used in the reaction.
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SYNTHESIS is an international full-paper journal devoted to the advancement of the science of chemical synthesis. It covers all fields of organic chemistry involving synthesis, including catalysis, organometallic, medicinal, biological, and photochemistry, but also related disciplines. SYNTHESIS provides dependable research results with detailed and reliable experimental procedures and full characterization of all important new products as well as scientific primary data.
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