Synthesis of 2-phosphonoheterocycles via base-promoted 5-endo cyclization
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DOI: 10.1016/j.tetlet.2020.152742
Abstract: Abstract Herein, a synthesis of 2-phosphonodihydrofurans and 2-phosphonodihydropyrroles via 5-endo cyclization of O-and N-propargylated compounds is described. The reaction is promoted by potassium tert-butoxide and allows a fast access to interesting heterocycles which were easily… read more here.
Keywords: phosphonoheterocycles via; synthesis phosphonoheterocycles; cyclization; via base ... See more keywords