Zinc-Catalysed Hydroboration of Terminal and Internal Alkynes

Mandal, Souvik and Mandal, Sayantan and Geetharani, K (2019) Zinc-Catalysed Hydroboration of Terminal and Internal Alkynes. In: CHEMISTRY-AN ASIAN JOURNAL .

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Abstract

A regioselective hydroboration of alkynes has been developed by using commercially available zinc triflate as a catalyst, in the presence of catalytic amount of NaBHEt3. The reaction tolerates a wide range of terminal alkynes having several synthetically useful functional groups and proceeds regioselectively to furnish hydroborated products in moderate to excellent yields. This system shows moderate chemoselectivity towards terminal C equivalent to C bond over terminal and internal C=C bond and internal C equivalent to C bond.

Item Type:	Journal Article
Publication:	CHEMISTRY-AN ASIAN JOURNAL
Publisher:	WILEY-V C H VERLAG GMBH
Additional Information:	copyright for this article belongs to WILEY-V C H VERLAG GMBH
Department/Centre:	Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited:	16 Sep 2019 06:54
Last Modified:	16 Sep 2019 06:54
URI:	http://eprints.iisc.ac.in/id/eprint/63524

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