Borylative Cyclization of 1,6-Allenynes Driven by BCl3.
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DOI: 10.1021/acs.orglett.1c03062
Abstract: A metal-free intramolecular borylative cyclization of 1,6-allenynes driven by BCl3 was developed. This method provides a general and practical strategy to construct valuable pyrrolidines containing all-carbon quaternary centers or 3,5-dihydroazepine derivatives depending on the substituents… read more here.
Keywords: cyclization allenynes; driven bcl3; allenynes driven; borylative cyclization ... See more keywords
Pd-Catalyzed Borylsilylative Cyclization of 1,6-Allenynes.
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DOI: 10.1021/acs.orglett.2c02878
Abstract: A Pd-catalyzed borylsilylative cyclization of 1,6-allenynes with PhMe2SiBpin was developed. This method provides a practical and general method to afford the carbocycles and heterocycles bearing silyl and boryl groups with excellent regioselectivities and stereoselectivities in… read more here.
Keywords: cyclization allenynes; borylsilylative cyclization; catalyzed borylsilylative;