ASIA unversity:Item 310904400/79518
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    题名: One-flask synthesis of 1,3,5-trisubstituted 1,2,4- triazoles from nitriles and hydrazonoyl chlorides via 1,3-dipolar cycloaddition
    作者: Wang, Li-Ya;Wang, Li-Ya;蔡建鈞;Tsai, Henry J;Lin, Hui-Yi;Lin, Hui-Yi;Ka, Kimiyoshi;Kaneko, Kimiyoshi;Che, Fen-Ying;Cheng, Fen-Ying;Sh, Hsin-Siao;Shih, Hsin-Siao;Won, Fung Fuh;Wong, Fung Fuh;Hu, Jiann-Jyh;Huang, Jiann-Jyh
    贡献者: 保健營養生技學系
    关键词: 1,2,4-Triazoles, aldehydes, hydrazonoes, nitrilimine, 1,3-dipolar cycloaddition
    日期: 2014-03
    上传时间: 2014-06-03 19:25:42 (UTC+8)
    摘要: A new “one-flask” synthesis of 3,5-disubstituted 1,2,4-triazoles has
    successfully been developed to synthesize a series of 3,5-disubstituted 1,2,4-triazoles.
    The transformation involves the 1,3-dipolar cycloaddition reaction of hydrazonoyl
    hydrochlorides with oxime intermediates prepared from aldehydes with
    hydroxylamine hydrochloride in the presence of excess amount of triethylamine. In
    this “one-flask” 1,3-dipolar reaction, hydrazonoyl hydrochlorides was concerned as
    the masked 1,3-dipole nitrilimine under basic condition. Furthermore, this newly
    developed methodology can be applied to various aldehyde substrates including
    aliphatic, cyclic aliphatic, aromatic, and heterocyclic aldehydes.
    關聯: RSC Advances; 11:7834-7837
    显示于类别:[食品營養與保健生技學系] 期刊論文

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