Unexpected formation of β-lactams and penem isosteres from mesoionics: sequential ring-opening–rearrangement of [3 + 2] cycloadducts

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Martín Avalos, Reyes Babiano, Pedro Cintas, José L. Jiménez, Ignacio López, Juan C. Palacios, Michael B. Hursthouse and Mark E. Light


Abstract

A novel and simple method has been developed to obtain penem analogs with biologically interesting functionalities, which combines aromatic aldehydes with thioisomünchnones, a readily available class of mesoionic heterocycles.


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