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  1. No Access

    Article

    Synthesis of novel 2'-aryl-4'-hydroxy-4',5,5',6-tetrahydro- 2'H,8H-spiro[indolizine-7,3'-thiophen]-8-one derivatives via sulfa-Michael/aldol cascade reactions

    The sulfa-Michael/aldol cascade reaction of (E)-7-arylidene-6,7-dihydroindolizin-8(5H)-ones and 1,4-dithiane-2,5-diol afforded novel 2'-aryl-4'-hydroxy-4',5,5',6-tetrahydro-2'H,8H-spiro[indolizine-7,3'-thiophen]-...

    Yulin Huang, Guihua Tang, Demin Ren, Ju-Lan Zeng… in Chemistry of Heterocyclic Compounds (2020)

  2. No Access

    Article

    Synthesis of Novel 1-(1,5-Diaryl-1,10b-Dihydropyrrolo- [1,2-A][1,2,4]Triazolo[3,4-C]Pyrazin-3-Yl)Ethanones Via 1,3-Dipolar Cycloaddition of Nitrilimine

    The 1,3-dipolar cycloaddition of nitrilimine, generated in situ from (Z)-N-aryl-2-oxopropanehydrazonoyl bromide and Et3N, to 3-arylpyrrolo[ 1,2-a]pyrazine afforded novel 1-(1,5-diaryl-1,10b-dihydropyrrolo[1,2-a][...

    Yulin Huang, Demin Ren, **anyong Yu, Ju-Lan Zeng… in Chemistry of Heterocyclic Compounds (2020)

  3. No Access

    Article

    Synthesis of novel dispiro[indoline-3,2'-pyrrolidine-3',10”-thiazolo[3',2':1,2]pyrimido[5,4-g]indolizine] derivatives by 1,3-dipolar cycloaddition reaction

    A number of 7-aryl-5,6-dihydro-7H-thiazolo[3',2':1,2]pyrimido[5,4-g]indolizines were synthesized by the reaction of 4-aryl-3,4,5,6-tetrahydropyrimido[5,4-g]indolizine-2(1H)-thione and dimethyl but-2-ynedioate in ...

    Demin Ren, **aolian Hu, **aofang Li in Chemistry of Heterocyclic Compounds (2019)

  4. No Access

    Article

    1,3-Dipolar cycloaddition of diphenylnitrilimine and 5-arylmethylidene-1-phenyl-1,5,6,7-tetrahydro-4H-indazol-4-ones to afford novel spiro[indazole-5,3′-pyrazole] derivatives

    Novel 4'-aryl-1,2',5'-triphenyl-2',4',6,7-tetrahydrospiro[indazole-5,3'-pyrazol]-4(1H)-ones have been synthesized in moderate yields by 1,3-dipolar cycloaddition of 5-arylmethylidene-1-phenyl-1,5,6,7-tetrahydro-4

    Demin Ren, Guoqiang Kuang, **aofang Li in Chemistry of Heterocyclic Compounds (2018)