Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/85146
Title: Alkene–Carbene Isomerization induced by Borane: Access to an Asymmetrical Diborene
Authors: Kinjo, Rei
Lu, Wei
Li, Yongxin
Ganguly, Rakesh
Keywords: Diborene
Alkene-carbene isomerization
Issue Date: 2017
Source: Lu, W., Li, Y., Ganguly, R., & Kinjo, R. (2017). Alkene–Carbene Isomerization induced by Borane: Access to an Asymmetrical Diborene. Journal of the American Chemical Society, 139(14), 5047-5050.
Series/Report no.: Journal of the American Chemical Society
Abstract: A 2,3-dihydro-1H-1,2-azaborole derivative 2 was converted to a cyclic (alkyl) (amino)carbene (cAAC) via 1,2-hydrogen migration triggered by boranes to afford cAAC-borane adducts. This procedure allowed us to develop an asymmetrical diborene cAAC·(Br)B═B(Br)·IDip 6, which was isolated and fully characterized. The 11B NMR spectrum, X-ray diffraction analysis and computational studies indicate that π-electrons on the central B2 moiety in 6 are unequivalently distributed, and thus polarized. A complete scission of the B═B double bond in 6 was achieved by the treatment with an isonitrile, which led to the formation of a base-stabilized B,N-containing methylenecyclopropane 7.
URI: https://hdl.handle.net/10356/85146
http://hdl.handle.net/10220/43661
ISSN: 0002-7863
DOI: 10.1021/jacs.7b02251
Rights: © 2017 American Chemical Society. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of the American Chemical Society, American Chemical Society. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1021/jacs.7b02251].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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