Practical BF3.Et20 catalyzed reactions between indoles and a series of carbonyl compounds at room temperature are described, which afford bis（indolyl）methanes with isolated yields up to 96%,
An effective approach for the direct benzylhalogenation with in situ generation of hypervalent halides has been developed. A variety of benzyl halides are produced in moderate to excellent yields （up to 99%） with hi...An effective approach for the direct benzylhalogenation with in situ generation of hypervalent halides has been developed. A variety of benzyl halides are produced in moderate to excellent yields （up to 99%） with high regioselectivities. UV absorption spectrum is employed to detect the formation of tert-butyl hypoiodite.展开更多
Under neat conditions,an efficient method for synthesis of imidoesters has been developed using cyanatobenzenes and dicarbonyl compounds.Nucleophilic addition spontaneously occurred between the two kinds of materials ...Under neat conditions,an efficient method for synthesis of imidoesters has been developed using cyanatobenzenes and dicarbonyl compounds.Nucleophilic addition spontaneously occurred between the two kinds of materials at room temperature with yields of up to 90%.A mechanism directed towards to the imidoester formation has been proposed.展开更多
基金fundings from the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry, Partenariats Hubert Curien Xu Guangqi 2012 (No. 27967RE)Fundamental Research Funds for the Central Universities (Nos. CDJRC10220004 and CDJZR11220005)Natural Science Foundation Project of CQ CSTC (Nos. 2010BB5064 and cstc2013jcyjA0217) for financial support
文摘Practical BF3.Et20 catalyzed reactions between indoles and a series of carbonyl compounds at room temperature are described, which afford bis（indolyl）methanes with isolated yields up to 96%,
基金Fundings of the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry,China-France Le Programme Xu Guangqi (No.27967RE)Chongqing University(No.CDJRC10220004 and No. CDJZR11220005)Natural Science Foundation Project of CQ CSTC (No.2010BB5064) for financial support
文摘An effective approach for the direct benzylhalogenation with in situ generation of hypervalent halides has been developed. A variety of benzyl halides are produced in moderate to excellent yields （up to 99%） with high regioselectivities. UV absorption spectrum is employed to detect the formation of tert-butyl hypoiodite.
基金the National Natural Science Foundation of China (Nos.21372265 and 61271059)the Scientific Research Foundation for the Returned Overseas Chinese Scholars,State Education Ministry,the Natural Science Foundation Project of CQ CSTC (Nos.CSTC2013jcyjA0217 and CSTC2010BB4086)the Fundamental Research Funds for the Central Universities(Nos.CQDXWL2013-Z012 and CDJZR-14225502)
文摘Under neat conditions,an efficient method for synthesis of imidoesters has been developed using cyanatobenzenes and dicarbonyl compounds.Nucleophilic addition spontaneously occurred between the two kinds of materials at room temperature with yields of up to 90%.A mechanism directed towards to the imidoester formation has been proposed.
