Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Ying-Quan Yang"'
Publikováno v:
Advanced Synthesis & Catalysis. 353:3129-3133
The asymmetric epoxidation of alpha,beta-unsaturated ketones has been achieved by using functional and readily accessible primary-secondary diamines as the catalysts, giving the useful alkyl epoxy products with good yields and high enantioselectiviti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf84c16421d32aaaaa9cb3ca5189d35c
https://doi.org/10.1002/adsc.201100230
https://doi.org/10.1002/adsc.201100230
Autor:
Ying-Quan Yang, Xiao-Wei Wang, Gang Zhao, Dongdong Cao, Hai-Feng Wang, Yingpeng Lu, Wen Liu, Zhuo Chai, Hua Xiao
Publikováno v:
Chemistry – A European Journal. 17:10562-10565
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8796fc5fba4aff451244b6d3d190db57
https://doi.org/10.1002/chem.201100850
https://doi.org/10.1002/chem.201100850
Publikováno v:
Tetrahedron. 67:2468-2473
A simple and novel method to the synthesis of 3-fluoro-4-aryl-2-pyridone from a Michael-adduct of fluoronitroacetate and α,β-unsaturated ketone is reported. With (NH 4 ) 2 CO 3 as the N-source and TsOH as the promoted acid, a series of fluorinated-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f6da58109f9e9ce24ec0ac0fae277b8b
https://doi.org/10.1016/j.tet.2011.01.047
https://doi.org/10.1016/j.tet.2011.01.047
Autor:
Wen Liu, Ying-Quan Yang, Gang Zhao, Jing Zhou, Xingkuan Chen, Yinlong Guo, Changwu Zheng, Hua Xiao
Publikováno v:
Tetrahedron. 67:1768-1773
A novel tandem cross-Rauhut–Currier/cyclization reaction between α,β-unsaturated ketones was developed. Using DABCO (20 mol %) as the catalyst, a series of densely functionalized 3,4-dihydropyrans were obtained in excellent yields and stereoselec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f37a69fcd32c39b1b0f4d04fdfc8b81c
https://doi.org/10.1016/j.tet.2011.01.036
https://doi.org/10.1016/j.tet.2011.01.036
Autor:
Haifeng Cui, Peng Li, Xiao-Wei Wang, Shizheng Zhu, Zhuo Chai, Ying-Quan Yang, Yue-Peng Cai, Gang Zhao
Publikováno v:
Tetrahedron. 67:312-317
Primary amines catalyzed the asymmetric Michael addition of ethyl 2-fluoro-2-nitroacetate to enones to provide chiral α-fluoro-α-nitro ester ketones with two contiguous stereogenic centers, one of which is a fluorinated quaternary chiral center, wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2037743df222211f29fae266e00bdc3e
https://doi.org/10.1016/j.tet.2010.11.041
https://doi.org/10.1016/j.tet.2010.11.041
Publikováno v:
Angewandte Chemie. 122:4569-4572
A screening of 16 N-acyl aminophosphines in the reaction of dinitrile (Ia) with allenoate (II) exhibits aminophosphine APH as most enantioselective catalyst.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::25d2c8e091a67bdd3af2f5a081fd219d
https://doi.org/10.1002/ange.201000446
https://doi.org/10.1002/ange.201000446
Autor:
Gang Zhao, Haifeng Cui, Peng Li, Hai-Feng Wang, Ying-Quan Yang, Xingkuan Chen, Zhuo Chai, Changwu Zheng, Hua Xiao
Publikováno v:
Chemistry - A European Journal. 15:13295-13298
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a262bd25d5d833e4c178220c4cedee13
https://doi.org/10.1002/chem.200901541
https://doi.org/10.1002/chem.200901541
Publikováno v:
The Journal of Organic Chemistry. 75:117-122
Primary-secondary diamine catalysts were used to catalyze the asymmetric Robinson annulation to synthesize multiply substituted fluorinated chiral cyclohexenones with two contiguous stereogenic centers, one of which is a fluorinated quaternary chiral
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4426d623473f22d2c47d6a779e87a3c7
https://doi.org/10.1021/jo902081w
https://doi.org/10.1021/jo902081w
Publikováno v:
Chemistry - A European Journal. 15:13299-13303
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf00eb04691b2ce0dfee6571de9235c9
https://doi.org/10.1002/chem.200902303
https://doi.org/10.1002/chem.200902303
Autor:
Hai-Feng Wang, Haifeng Cui, Ying-Quan Yang, Yawen Li, Gang Zhao, Junkang Zhang, Changwu Zheng
Publikováno v:
Advanced Synthesis & Catalysis. 351:1685-1691
The asymmetric epoxidation of electron-deficient olefins has been achieved using inexpensive and readily available prolinols as catalysts with good to excellent yields and enantioselectivities. The utility of the resulting chiral epoxides was illustr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10c0a97d5d1cb911025f868cb41352e9
https://doi.org/10.1002/adsc.200900041
https://doi.org/10.1002/adsc.200900041