Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Xinkan Yang"'
Autor:
Jin Zhang, Xin Wang, Jiale Liu, Xiaogang Wang, Xinkan Yang, Qun Zhao, Yangmin Ma, Ran Fang, Michal Szostak
Publikováno v:
Organic Chemistry Frontiers. 10:1423-1428
A mild Ru(0)-catalyzed cleavage of C(aryl)–O bonds enabled by a combination of a Ru3(CO)12 catalyst and an imine auxiliary is reported.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de414c473a304f5803a90858ab805120
https://doi.org/10.1039/d3qo00042g
https://doi.org/10.1039/d3qo00042g
Autor:
Xinkan Yang, Gavin Chit Tsui
Publikováno v:
Synlett. 33:713-720
Organic molecules containing the trifluoromethyl (CF3) group play a vital role in pharmaceuticals, agrochemicals, and materials. New trifluoromethylation methods should encompass capabilities to address issues in efficiency, selectivity, and CF3 sour
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3dc96b25b29d0aec8de4665e11b7928
https://doi.org/10.1055/a-1709-3098
https://doi.org/10.1055/a-1709-3098
Publikováno v:
Organic Letters. 22:6155-6159
A practical synthesis of perfluoroalkyl sulfides is described. The method employs stable and readily accessible thiosulfonates as new electrophiles with commercial nucleophilic perfluoroalkylating reagents. The mild reaction conditions allow access t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee89d7173397f8ebe724cdba08b01f00
https://doi.org/10.1021/acs.orglett.0c02235
https://doi.org/10.1021/acs.orglett.0c02235
Autor:
Xinkan Yang, Gavin Chit Tsui
Publikováno v:
Organic Letters. 22:4562-4567
We have found that the CuCF2CF3 complex generated from low-cost pentafluoroethane is a convenient and practical source for the CF2CF3 radical under aerobic conditions at room temperature. Using thi...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79efdfcf96fad0ad78ef9fb68a099cd7
https://doi.org/10.1021/acs.orglett.0c01646
https://doi.org/10.1021/acs.orglett.0c01646
Autor:
Gavin Chit Tsui, Xinkan Yang
Publikováno v:
Organic Letters. 21:1521-1525
A novel approach to the trifluoromethylation of unactivated alkenes is presented. This reaction is promoted by N-iodosuccinimide (NIS) under visible light irradiation without the need for photocatalysts. The mild conditions allow the direct synthesis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66b4f92b13bdf66beef1568384c0a886
https://doi.org/10.1021/acs.orglett.9b00332
https://doi.org/10.1021/acs.orglett.9b00332
Autor:
Gavin Chit Tsui, Xinkan Yang
Publikováno v:
Organic Letters. 20:1179-1182
An unprecedented three-component copper-mediated vicinal trifluoromethylation–allylation of arynes is described. A wide range of structurally diverse trifluoromethylated allylarenes can be quickly assembled in one step. The application of the metho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3cdb1602d5ff4188997699d0a385fab6
https://doi.org/10.1021/acs.orglett.8b00101
https://doi.org/10.1021/acs.orglett.8b00101
Autor:
Gavin Chit Tsui, Xinkan Yang
Publikováno v:
Chemical Science
A novel 1,2-bis(trifluoromethylation) of arynes using [CuCF3] is described.
We herein describe an unprecedented 1,2-bis(trifluoromethylation) of arynes with [CuCF3] in the presence of an oxidant DDQ. The method allows the rapid construction of a
We herein describe an unprecedented 1,2-bis(trifluoromethylation) of arynes with [CuCF3] in the presence of an oxidant DDQ. The method allows the rapid construction of a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0cf246b0fc63020fa4bab9d0a702217f
https://doi.org/10.1039/c8sc03754j
https://doi.org/10.1039/c8sc03754j
Autor:
Xiaoming Chen, Hongbin Zhai, Xiaoru Shao, Houqiang Lv, Jing Zhang, Hai-Jun Zhang, Jing-Jing Guo, Huifei Wang, Bin Cheng, Yun Li, Cheng Tao, Xinkan Yang
Publikováno v:
Angewandte Chemie International Edition. 57:947-951
(-)-Daphnilongeranin B and (-)-daphenylline are two hexacyclic Daphniphyllum alkaloids, each containing a complex cagelike backbone. Described herein are the first asymmetric total synthesis of (-)-daphnilongeranin B and a bioinspired synthesis of (-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::184d574d9f2806d0ca3ddee6a7fbfe76
https://doi.org/10.1002/anie.201709762
https://doi.org/10.1002/anie.201709762
Publikováno v:
The Journal of Organic Chemistry. 82:6192-6201
A domino hydroboration/trifluoromethylation (formal hydrotrifluoromethylation) of alkynes using the fluoroform-derived [CuCF3] reagent is achieved. Synthetically useful (E)-alkenyl-CF3 building blocks and 1,1-bis(trifluoromethyl)-substituted alkenes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3efbfbbfdf90ac704c961c448ca8430
https://doi.org/10.1021/acs.joc.7b00755
https://doi.org/10.1021/acs.joc.7b00755
Publikováno v:
Organic Letters. 19:2446-2449
Hydroxytrifluoromethylation of alkenes using the fluoroform (CF3H)-derived [CuCF3] reagent is described. In the presence of additive B2Pin2 and air, this reagent effectively facilitates the addition of hydroxy and trifluoromethyl groups across an alk
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3aa51f22de74a8955083c829bceae99
https://doi.org/10.1021/acs.orglett.7b01085
https://doi.org/10.1021/acs.orglett.7b01085