Abstract
A metal-free pathway for constructing 6-aryl(alkyl)thiophenanthridines through oxidative cascade cyclization of isocyanides with thiols is developed. This pathway is characterized by SH bond cleavage of commercially available thiols, and subsequent CS/CC bond formation, which is suitable for a wide scope of substrates and by which a variety of 6-aryl(alkyl)thiophenanthridines could be synthesized in good to excellent yields.
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