Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Volume 46 , Issue 12
Showing 1-43 articles out of 43 articles from the selected issue
Highlight Review
  • Masahiro Murakami, Naoki Ishida
    2017 Volume 46 Issue 12 Pages 1692-1700
    Published: December 05, 2017
    Released: December 05, 2017
    JOURNALS RESTRICTED ACCESS

    The C–C bond located at the β-position of an alkoxy radical readily breaks to form an alkyl radical along with a carbonyl compound. Such processes are called β-scission or β-fragmentation. They possibly proceed without any assistance of ring strain, and have recently attracted renewed attention as the key elementary step to transform alcohols in a unique fashion. Summarized in this Highlight Review are synthetic transformations of alcohols through β-scission of alkoxy radical intermediates.

    The C–C bond located at the β-position of an alkoxy radical readily breaks to form an alkyl radical along with a carbonyl compound. Such processes are called β-scission or β-fragmentation. They possibly proceed without any assistance of ring strain, and therefore, have recently attracted renewed attention as the key elementary step to transform alcohols in a unique fashion. Summarized in this Highlight Review are synthetic transformations of alcohol through β-scission of alkoxy radical intermediates. Fullsize Image
     
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  • Takafumi Araki, Masato Hirai, Atsushi Wakamiya, Warren E. Piers, Shige ...
    2017 Volume 46 Issue 12 Pages 1714-1717
    Published: December 05, 2017
    Released: December 05, 2017
    JOURNALS RESTRICTED ACCESS

    B,B-Dimesityl-substituted dithieno-1,2-dihydro-1,2-diborin was synthesized and its properties and reactivity were studied. Owing to the noticeably electron-deficient and antiaromatic character of the 1,2-dihydro-1,2-diborin ring, this compound was found to homolytically cleave diatomic hydrogen (H2) gas at ambient temperature under 1 atm to afford a hydrogen-bridged bis(borane). This reaction was accompanied by a dramatic color change from dark green to yellow in addition to a turn-on fluorescence response.

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