Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Lin, Yang"'
Publikováno v:
Organic Letters.
Autor:
Ran Yang, Dong Yi, Kunrong Shen, Qiang Fu, Jun Wei, Ji Lu, Lin Yang, Li Wang, Siping Wei, Zhijie Zhang
Publikováno v:
Organic Letters. 24:2014-2019
A visible-light-induced method for the construction of heterocyclic scaffolds such as pyrido[1,2
Publikováno v:
Organic letters.
An asymmetric cascade allylation/spiroketalization reaction between 2-(1-hydroxyallyl)phenols and 5-methyleneoxazolines is accomplished by using a chiral Ir(I) catalyst derived from commercially available iridium precursor and the Carreira ligand. Th
Publikováno v:
Organic Letters. 23:8894-8898
A N-iodosuccinimide (NIS)-promoted [3 + 2] annulation reaction of aryldiazonium salts with guanidines has been developed for the construction of previously elusive 2-aryl-5-amino-2H-tetrazoles. This transformation takes advantage of readily available
Publikováno v:
Organic Letters. 23:2790-2796
An iridium-catalyzed trifluoroacetic acid-promoted asymmetric cascade allylation/Pictet-Spengler cyclization reaction of azomethine ylides with aromatic allylic alcohols is reported. This protocol provides a facile and scalable method for the constru
Publikováno v:
Organic Letters. 23:948-952
The palladium-catalyzed asymmetric [4 + 3] cycloaddition of a sulfonyl-trimethylenemethane (TMM) donor with azadienes furnished various sulfonyl-fused azepines with exclusive regioselectivities and excellent stereoselectivities (up to >20:1 dr, >99%
Publikováno v:
Organic Letters. 22:8234-8239
A robust six-membered rhodamine spirocyclic probe 1 containing a versatile 2-aminoimidazolyl moiety was elaborately designed and synthesized via an attractive C–C and C–N coupling strategy to impro...
Publikováno v:
Organic Letters. 22:4026-4032
A regiodivergent organocatalytic enantioselective Michael addition/three-atom ring expansion sequence of electron-withdrawing group activated cyclobutanones with 2-nitrovinylindoles was developed. ...
Publikováno v:
Organic Letters. 21:7324-7328
A novel and efficient aldol reaction of readily available vinyl azides with trifluoromethyl ketones by copper catalysis is developed. The reaction is proposed to go through a nucleophilic trapping of vinyl azides with trifluoromethyl ketones as a tri
Publikováno v:
Organic Letters. 21:5514-5518
An organocatalytic asymmetric arylmethylation/N-hemiacetalization of 2-indolyl methane derivatives and 2-enals was developed. Notably, the 2-methyl of indole was readily deprotonated to produce highly reactive nucleophilic species by introducing the