Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Xiao-Ming Zhang"'
Autor:
Fu Cheng, Xiao-Ming Chen, Chen-Yu Huo, Shao-Hua Wang, Bo-Wen Wang, Xue-Tao Xu, Si-Zhan Liu, Xiao-Ming Zhang, Tian-Lu Zheng, Jing Li, Da-Ping Jin
Publikováno v:
CCS Chemistry. 3:2795-2802
A direct strategy toward the synthesis of functionalized abietane-type diterpenes and related polycyclic molecules was developed through an Au-catalyzed 1,3-acyloxy migration/cyclization/electrophi...
Autor:
Xiao-Yan Zhang, Ka Lu, Bao-Kuan Guo, Ya-Ping Shao, Hong Wang, Fu-Min Zhang, Yong-Qiang Tu, Xiao-Ming Zhang
Publikováno v:
The Journal of organic chemistry. 87(22)
An example of asymmetric Steglich-type rearrangement of enol lactones is reported. This highly enantioselective acyl transfer reaction is catalyzed by chiral isothiourea at ambient temperature and provides a useful synthetic approach to access enanti
Autor:
Fu-Min Zhang, Ka Lu, Zhi-Bo Yan, Yong-Qiang Tu, Xiao-Ming Zhang, Qi-Long Chen, Meng Peng, Kun-Long Dai
Publikováno v:
Chemical Science. 12:9748-9753
A versatile silylation of heteroaryl C–H bonds is accomplished under the catalysis of a well-defined spirocyclic NHC Ir(III) complex (SNIr), generating a variety of heteroarylsilanes. A significant advantage of this catalytic system is that multipl
Autor:
Fu-Min Zhang, Ai-Jun Ma, Ming-Hui Xu, Jin-Bao Peng, Yong-Hai Yuan, Kun Zhang, Yong-Qiang Tu, Dong-Dong Liang, Xiao-Ming Zhang
Publikováno v:
Organic Chemistry Frontiers. 8:3292-3297
A novel spiro-pyrrolidine (SPD)-derived bifunctional thiourea catalyst has been developed, enabling the development of a stereoselective conjugate addition of furfurals to β,γ-unsaturated α-ketoesters. The reaction represents an example of asymmet
Autor:
Qi-Long Chen, Bin-Miao Yang, Zhi-Bo Yan, Meng Peng, Yong-Qiang Tu, Kun-Long Dai, Zi-Hao Li, Ze-Ran Jing, Xiao-Ming Zhang, Fu-Min Zhang
Publikováno v:
Science China Chemistry. 63:1761-1766
A new type of dianionic Ir(III) CCC pincer complexes (SNHC-Ir, 1a-1c) is successfully designed and synthesized by developing a one-step methodology, which involves an initial coordination of Ir(I) with the NHC and subsequent metallation of double sp2
Autor:
Xiao-Ming Zhang, Tian Ke, Fu-Min Zhang, Qing-Bo Zhuang, Yong-Qiang Tu, Xiang Guo, Rui-Qi Si, Shuang-Hu Wang
Publikováno v:
Angewandte Chemie International Edition. 59:21954-21958
A tandem Bischler-Napieralski/semipinacol rearrangement reaction has been developed for the purpose of assembling a bis(spirocyclic) indole framework, a privileged structural unit of aspidofractinine-type monoterpenoid indole alkaloids, and was used
Autor:
Ju‐Song Yang, Ka Lu, Chen‐Xiao Li, Zu‐Hang Zhao, Xiao‐Ming Zhang, Fu‐Min Zhang, Yong‐Qiang Tu
Publikováno v:
Angewandte Chemie International Edition. 61
Novel asymmetric mono- and dialkylation reactions of α-substituted 2,5-diketopiperazines catalyzed by new chiral spirocyclic-amide-derived triazolium organocatalysts have been developed, resulting in a range of enantioenriched 2,5-diketopiperazine d
Publikováno v:
Chemical Communications. 56:121-124
A facile and environmentally benign KI(cat.)/NaBO3·4H2O oxidation system has been developed for the tandem oxidative aminocyclization/coupling of tryptamines, affording a series of 3a,3a'-bispyrrolidino[2,3-b]indolines with high efficiency (up to 94
Catalytic enantioselective synthesis of chiral spirocyclic 1,3-diketones via organo-cation catalysis
Autor:
Fu-Min Zhang, Xiao-Yan Zhang, Xiao-Ming Zhang, Bao-Kuan Guo, Kun Zhang, Ya-Ping Shao, Yong-Qiang Tu
Publikováno v:
Chemical Communications. 57:11233-11235
An SPA-triazolium bromide-catalyzed transannular C-acylation of enol lactones is presented. This methodology provides convenient access to a range of enantioenriched spirocyclic 1,3-diketones in moderate to high yields and enantioselectivities and fe
Autor:
Chang-Sheng Zhang, Fu-Min Zhang, Jin-Xin Zhu, Xiao-Ming Zhang, Yong-Qiang Tu, Ming Yang, Li-Xin Shan, Xue Han, Hong Wang, Wen-Shuo Zhang
Publikováno v:
Angewandte Chemie (International ed. in English). 60(42)
Although copper-nitrene has been extensively studied as a versatile active species in various transformations, asymmetric reactions involving copper-nitrene have been limited to the aziridination of olefins. Herein, we report the novel copper-nitrene