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김고훈,이현승,Sung Hwan Kim,이가영,Ji-Eun Lee,김재녕 대한화학회 2009 Bulletin of the Korean Chemical Society Vol.30 No.5
We developed an efficient three-step synthetic protocol of γ-hydroxybutenolides starting from the Baylis-Hillman adducts: (i) bromination, (ii) Barbier reaction and (iii) one-pot K2CO3-mediated synthesis of γ-hydroxybutenolides. In addition, we showed the synthetic applicability of butenolides including self-dimerization, conjugate addition reaction, and alkylations.
유진,김고훈,이현주,김재녕 대한화학회 2013 Bulletin of the Korean Chemical Society Vol.34 No.10
Various phenol derivatives were synthesized in a one-pot reaction from MBH acetates and sodium diethyl oxalacetate via a [4C+2C] cyclization protocol. In addition, some pyridine derivatives could also be synthesized using the same starting materials, by isolating the SN2' reaction intermediate and performing the cyclization with NH4OAc.
문혜란,김고훈,이준승,김재녕 대한화학회 2015 Bulletin of the Korean Chemical Society Vol.36 No.1
Various 3-(γ,δ-disubstituted)allylidene-2-oxindoles were synthesized by the Wittig reaction between isatins and the phosphorous ylide derived in situ from the Morita–Baylis–Hillman bromides. The 3-allylidene-2- oxindole could be used as an efficient synthetic precursor of 1-thiacarbazole derivatives. During the conversion of 2-oxindole moiety to 2-thiooxindole by Lawesson's reagent, 1-thiacarbazole derivative was obtained in good yield.