Zobrazeno 1 - 10 of 226 pro vyhledávání: '"Zheng‐Jun Quan"'
1
Akademický článek
Ethyl 6-methyl-3-(2-methylprop-1-enyl)-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate
Autor: Xi-Cun Wang, Xue-Hong Tang, Yu-Xia Da, Zhang Zhang, Zheng-Jun Quan
Publikováno v: Acta Crystallographica Section E, Vol 67, Iss 11, Pp o2993-o2993 (2011)
In the molecule of the title compound, C18H22N2O3, the dihydropyrimidinone ring adopts an envelope conformation. The dihedral angle between the phenyl ring and the mean plane through the enamine fragment is 86.04 (7)°. The molecular conformation is
Externí odkaz: https://doaj.org/article/258ac10243b24c67a997d897865b73b5
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2
Akademický článek
3-(Pyridin-2-yl)coumarin
Autor: Yu-Xia Da, Zheng-Jun Quan
Publikováno v: Acta Crystallographica Section E, Vol 66, Iss 11, Pp o2872-o2872 (2010)
In the title compound, C14H9NO2, the dihedral angle between the pyridine ring and the lactone ring is 10.40 (3)°. The coumarin ring system is nearly planar, with a dihedral angle of 1.40 (2)° between the lactone and benzene rings. An intramolecular
Externí odkaz: https://doaj.org/article/173004d2fb7541c08800a238fdfbdc81
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7
Direct synthesis of phosphorotrithioates from [TBA][P(SiCl3)2] and disulfides
Autor: Hui Luo, Ming Li, Xi-Cun Wang, Zheng-Jun Quan
Publikováno v: Organic & Biomolecular Chemistry. 21:2499-2503
Sulfur-containing organophosphorus molecules have played a pivotal role in organic chemistry, thereby motivating researchers worldwide to establish S–P bonds from more environmentally friendly phosphorus sources.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1fc2657302a27f9679d53b17f147ea31
https://doi.org/10.1039/d2ob02285k
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8
Access to Polysubstituted Halophosphorylated Dihydrofurans via Halotrimethylsilane-Promoted Cascade Cyclization of γ-Hydroxyl Ynones with Diphenylphosphine Oxides
Autor: Yi-Feng Qiu, Shi-Peng Chen, Jian-He Cao, Shutao Wang, Jin-Hao Li, Ming Li, Zheng-Jun Quan, Xi-Cun Wang, Yong-Min Liang
Publikováno v: Organic Letters. 24:8609-8614
A halotrimethylsilane (TMSX) accelerated cascade halophosphorylation and cycloisomerization of γ-hydroxyl ynones with diphenylphosphine oxides is presented. This methodology allows the one-step synthesis of practical polysubstituted halophosphorylat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6e5017930c8ddf3e684a34bf58212c7
https://doi.org/10.1021/acs.orglett.2c03323
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9
Template Synthesis to Solve the Unreachable Ortho C-H Func-tionalization Reaction of Iodobenzene
Autor: Bo-Sheng Zhang, Wan-Yuan Jia, Yi-Ming Wang, Svenja Warratz, Ze-Qiang Zhang, Xue-Ya Gou, Yong-Min Liang, Xi-Cun Wang, Zheng-Jun Quan, Lutz Ackermann
With the development of ortho C-H functionalization in Pd/NBE chemistry, the catalytic systems used are becoming increasingly complex. The increasingly complex catalytic systems may have created technical barri-ers for researchers in other fields to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::77351fb26e00859cd036be036e883620
https://doi.org/10.26434/chemrxiv-2023-wgwn7
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