Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Wei Wang"'
Autor:
Yu-Han Qiao, Yi Lu, Jia-Xue Wu, Yong-Fei Li, Jianmin Dou, Dacheng Li, Huai-Wei Wang, Qing-Xia Yao
Publikováno v:
Organic Letters. 23:7177-7182
Herein, we disclose a RhIII-catalyzed heteroarylation of C(sp3)-H and C(sp2)-H bonds in heterocycles with organoboron reagents. This protocol displays high efficiency and excellent functional group tolerance. A range of heterocyclic boronates with st
Publikováno v:
Organic Letters. 23:5571-5575
A phosphine-catalyzed cascade annulation of Morita-Baylis-Hillman (MBH) carbonates and diazenes was achieved, giving tetrahydropyrazole-fused heterocycles bearing two five-membered rings in moderate to excellent yields. The reaction underwent an unpr
Publikováno v:
Org Lett
A mild, versatile organophotoredox protocol has been developed for the preparation of diverse, enantioenriched α-deuterated α-amino acids. Distinct from the well-established two-electron transformations, this radical-based strategy offers the unriv
Autor:
Chunlei Wu, Wei Wang, Wu Su, Zhengyin Pan, Ke Liu, Zhehong Cheng, Guiyang Yao, Lijing Fang, Hongchang Li
Publikováno v:
Organic letters. 19(17)
Gymnopeptides A and B are unprecedented highly N-methylated cyclic β-hairpin octadecapeptides with striking antiproliferative activities isolated from the mushroom Gymnopus fusipes. Using Fmoc-based solid-phase peptide synthesis, followed by macrola
Publikováno v:
Organic letters. 17(22)
A highly enantioselective aza-Friedel-Crafts (aza-F-C) reaction of cyclic trifluoromethyl ketimines and naphthols/phenols was developed with fluorenyl-substituted quinine-squaramide as the catalyst. This protocol enables direct access to biologically
Publikováno v:
Organic Letters. 10:1923-1926
An organocatalytic direct inverse electron demand Diels-Alder reaction of ketones with 1,2,4,5-tetrazines has been developed. The process is efficiently catalyzed by proline to give Diels-Alder adducts pyridazines in high yields.
Autor:
Jianzhong Yao, Zhenyuan Miao, Chunquan Sheng, Wei Wang, Shengzheng Wang, Jian Li, Hao Li, Yongqiang Zhang, Guoqiang Dong, Shanchao Wu, Wannian Zhang, Shiping Zhu
Publikováno v:
Organic letters. 15(21)
An unprecedented organocatalytic highly enantioselective approach to a 3,4-dihydro-2H-thiopyran scaffold with two contiguous stereogenic centers has been implemented through a formal thio [3 + 3] cycloaddition process involving a Michael–aldol cond
Publikováno v:
Organic letters. 13(5)
An organocatalytic enantioselective Friedel-Crafts reaction of 1-naphthols with aldimines has been developed. The method affords a direct access to chiral aminoarylnaphthols in good yields and with good to high enantioselectivities.
Autor:
Penghui Zhang, Ruikai Cao, Lihua Yuan, Wen Feng, Jingjing Zhou, Bing Gong, Xianghui Li, Pengchi Deng, Wei Wang
Publikováno v:
Organic letters. 12(13)
Oligoamide duplexes carrying multiple alkyl side chains were found to serve as gelators for aromatic solvents. The double-stranded backbone was essential for the hierarchical self-assembly of the molecular duplex into fibers of high aspect ratios. Th