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Terminal Alkyne-Assisted One-Pot Synthesis of Arylamidines: Carbon Source of the Amidine Group from Oxime Chlorides

Autor: Sun Jing, Chao Fu, Sun Qihui, Weiyin Yi, Fengping Yi

Publikováno v: The Journal of Organic Chemistry. 84:6780-6787

A terminal alkyne-assisted protocol for the one-pot formation of a diverse range of arylamidines from a novel cascade reaction of in situ generated nitrile oxides, sulfonyl azides, terminal alkynes, and water by [3 + 2] cycloaddition and ring opening

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4399c04ddf4bf734058527cfed99a3f
https://doi.org/10.1021/acs.joc.9b00538

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Direct intramolecular double cross-dehydrogentive-coupling (CDC) cyclization of N-(2-pyridyl)amidines under metal-free conditions

Autor: Huazhen Wei, Sun Qihui, Weiyin Yi, Fu Chao, Fengping Yi, Genfa Yu

Publikováno v: RSC Advances. 9:42172-42182

A facile transition-metal-free protocol to form 2-iminoimidazo[1, 2-a]-pyridines bearing a –CHBr2 group and an aza-quaternary carbon center at the 3 position from N-(2-pyridyl)amidines substrates, in which the new heterocyclic skeletons constructed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88c01613f883a1ed7696e187af7c3d24
https://doi.org/10.1039/c9ra09265j

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Copper-Catalyzed One-Pot Approach to α-Aryl Amidines via Truce-Smiles Rearrangement

Autor: Weiyin Yi, Huang Ying, Fengping Yi, Sun Qihui

Publikováno v: Advanced Synthesis & Catalysis. 360:3074-3082

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cfa22abb491f2f2050bd4978035972f9
https://doi.org/10.1002/adsc.201800490

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A new and facile approach to 1,2-dihydroisoquinolin-3(4H)-imines by the Cu(i)-catalyzed reaction of 2-ethynylbenzyl methanesulfonates, sulfonyl azides and amines

Autor: Huang Ying, Lirong Zhang, Weiyin Yi, Fengping Yi, Sun Qihui

Publikováno v: RSC Advances. 8:74-79

A new, step-economical and operationally simple access to unsubstituted 1,2-dihydroisoquinolin-3(4H)-imines by Cu-catalyzed MCRs under mild conditions is described. In addition, selective hydrolysis of imines to the corresponding 1,2-dihydroisoquinol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::38fef973b284f0c4e7b7ec50e16fe56f
https://doi.org/10.1039/c7ra12412k

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CuI/I2-Mediated Intramolecular Oxidative Cyclization Reaction ofN-(2-pyridyl)amidines by the Direct Double C−H Functionalization of a C(sp3)−H Bond

Autor: Fengping Yi, Lirong Zhang, Weiyin Yi, Songxing Zhang, Rui Yu

Publikováno v: Asian Journal of Organic Chemistry. 6:1808-1817

A facile approach to a rare class of 3,3-disubstituted 2-iminoimidazo[1,2-α]-pyridines bearing a hydroxy group at the 3 position in good to excellent yields from N-(2-pyridyl)amidines substrates in the presence of CuI/I2/KI/KOtBu is described. Accor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3330c00cabc83a71db59aefd68850a9d
https://doi.org/10.1002/ajoc.201700442

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One Step Carbon-Phosphor Bond Formation and N-Alkylation of Tetrahydroisoquinolines under Silver Catalysis

Autor: Weiyin Yi, Fengping Yi, Fan Yanxia, Lirong Zhang

Publikováno v: ChemistrySelect. 2:7996-7999

Heterocycles with tetrahydroisoquinolines moiety are important biologically, and α-aminophosphonates derivatives have unusual features in agrochemicals and medicines. In this paper, we combined these two parts to afford α-aminophosphonates tetrahyd

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1173d6c4565a303fad8fea04d2b57273
https://doi.org/10.1002/slct.201701715

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An Efficient One-Pot Protocol for the Synthesis of Polysubstituted 4-Amino-iminocoumarins and 4-Aminoquinolines by a Copper-Catalyzed Three-Component Reaction

Autor: Fengping Yi, Huang Ying, Lirong Zhang, Songxing Zhang, Weiyin Yi

Publikováno v: European Journal of Organic Chemistry. 2017:102-110

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5094cfba2414e609826b2b9e9ba29ea7
https://doi.org/10.1002/ejoc.201601217

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Direct intramolecular double cross-dehydrogentive-coupling (CDC) cyclization of

Autor: Fengping, Yi, Chao, Fu, Qihui, Sun, Huazhen, Wei, Genfa, Yu, Weiyin, Yi

Publikováno v: RSC advances. 9(72)

A facile transition-metal-free protocol to form 2-iminoimidazo[1, 2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::1084ea0dfa34ff7505c0265c6affa67f
https://pubmed.ncbi.nlm.nih.gov/35542831

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One-Step Direct Functionalization of Tetrahydroisoquinolines under Copper and Acid Catalysis

Autor: Juchao Su, Fengping Yi, Weiyin Yi, Lirong Zhang, Songxing Zhang

Publikováno v: European Journal of Organic Chemistry. 2015:7360-7366

A facile, one-step, direct functionalization of the C1 and N positions of tetrahydroisoquinolines was developed. Unprotected tetrahydroisoquinolines, indoles, and benzaldehydes could be used as starting materials. The different substituted indoles an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ef329613a82c8e7cdbebff61dc3550ec
https://doi.org/10.1002/ejoc.201501102

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