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
A Strategy for Regioselective B−H Functionalization of o-Carboranes via Base Metal Catalysis
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DOI: 10.1039/d3qo00621b
Abstract: Carboranes, a class of carbon-boron molecular clusters, own unique characteristics and are finding a variety of applications ranging from materials to medicine. In this connection, selective functionalization of o-carboranes has... read more here.
Keywords: via base; functionalization; carboranes via; functionalization carboranes ... See more keywords
Synthesis of 1,2-Oxaborole via Base-Mediated Borylation of Propynols
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DOI: 10.1039/d5qo00709g
Abstract: Boron-containing derivatives have numerous applications in medicinal-, industrial- and synthetic chemistry. Considering it, a new mild, catalyst-free, additive-free, base-assisted one-step robust method has been reported for the efficient synthesis of... read more here.
Keywords: base mediated; chemistry; synthesis oxaborole; base ... See more keywords