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Dive into the research topics where Jiaqi He is active.

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Featured researches published by Jiaqi He.


Research on Chemical Intermediates | 2000

Reactions of N-methyl-N-nitrosotoluene-P-sulfonamide (MNTS) with 3,6-dibromocarbazole and its corresponding nitranion

Xiao Qing Zhu; Qian Li; Jianming Lu; Yang Li; Jiaqi He; Jin Pei Cheng

Reaction of N-methyl-N-nitrosotoluene-p-sulfonamide (MNTS, 1) with 3,6-dibromocarbazole (2) in dry acetonitrile gave N-methyl-p-toluenesulfonamide (4) and N-nitroso-3,6-dibromocarbazole (5), whereas with the corresponding nitranion (3) gave N-(p-toluenesulfonyl)-3,6-dibromocarbazole (6). The results are rationalized in terms of direct nucleophilic substitution mechanism occurring on respective sites. The effects of solvents and added metal ions are also discussed.


Organic and Biomolecular Chemistry | 2008

A simple yet highly selective colorimetric sensor for cyanide anion in an aqueous environment

Hao-Tao Niu; Dongdong Su; Xueliang Jiang; Wenzhi Yang; Zhenming Yin; Jiaqi He; Jin-Pei Cheng


Tetrahedron Letters | 2009

Cyanine dye-based chromofluorescent probe for highly sensitive and selective detection of cyanide in water

Hao-Tao Niu; Xueliang Jiang; Jiaqi He; Jin-Pei Cheng


Journal of Organic Chemistry | 2003

Polysiloxane-Supported NAD(P)H Model 1-Benzyl-1,4-dihydronicotinamide: Synthesis and Application in the Reduction of Activated Olefins

Baolian Zhang; Xiao-Qing Zhu; Jin‐Yong Lu; Jiaqi He; Peng George Wang; Jin-Pei Cheng


Journal of Organic Chemistry | 2000

N-NO bond dissociation energies of N-nitroso diphenylamine derivatives (or analogues) and their radical anions: implications for the effect of reductive electron transfer on N-NO bond activation and for the mechanisms of NO transfer to nitranions

Xiao-Qing Zhu; Jiaqi He; Qian Li; Ming Xian; Jianming Lu; Jin-Pei Cheng


Dalton Transactions | 2008

Imidazolium-based macrocycles as multisignaling chemosensors for anions

Hao-Tao Niu; Zhenming Yin; Dongdong Su; Dong Niu; Jiaqi He; Jin-Pei Cheng


Journal of Organic Chemistry | 2000

Heterolytic and homolytic N-H bond dissociation energies of 4-substituted Hantzsch 2,6-dimethyl-1,4-dihydropyridines and the effect of one-electron transfer on the N-H bond activation.

Jin-Pei Cheng; Yun Lu; Xiao-Qing Zhu; Yongkai Sun; Feng Bi; Jiaqi He


Tetrahedron | 2008

Ferrocene-based imidazolium receptors for anions

Hao-Tao Niu; Zhenming Yin; Dongdong Su; Dong Niu; Yinbatu Ao; Jiaqi He; Jin-Pei Cheng


Tetrahedron | 2008

New redox anion receptors based on calix[4]pyrrole bearing ferrocene amide

Wenzhi Yang; Zhenming Yin; Chun-Hua Wang; Chengyun Huang; Jiaqi He; Xiao-Qing Zhu; Jin-Pei Cheng


Journal of Molecular Structure | 2008

A new acenaphthenequinone-based calix[4]pyrrole : Synthesis, structure and anion binding study

Wenzhi Yang; Zhenming Yin; Zhao Li; Jiaqi He; Jin-Pei Cheng

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