ChemInform Abstract: Silver-Catalyzed Cascade Cyclization-Stannylation of o-Alkynylaniline Derivatives with 2-Tributylstannylfuran: An Efficient Synthesis of (3-Indolyl)stannanes.

ChemInform ◽  
2014 ◽  
Vol 45 (17) ◽  
pp. no-no
Author(s):  
Jun Liu ◽  
Xin Xie ◽  
Yuanhong Liu
Keyword(s):  
Efficient Synthesis ◽  
Cascade Cyclization

scholarly journals Magnesium-mediated sp3 C–H activation in cascade cyclization of 1-arylethynyl-2-alkyl-o-carboranes: efficient synthesis of carborane-fused cyclopentanes

2020 ◽  
Vol 11 (36) ◽  
pp. 9925-9929
Author(s):  
Jie Zhang ◽  
Cen Tang ◽  
Zuowei Xie
Keyword(s):  
Grignard Reagent ◽  
Efficient Synthesis ◽  
Cascade Cyclization

An unprecedented cascade cyclization of 1-arylethynyl-2-alkyl-o-carboranes with Grignard reagent for synthesizing carborane-fused cyclopentanes has been disclosed, in which magnesium-mediated intramolecular sp3 C–H activation serves as a key step.

Facile synthesis of carbamoylated benzimidazo[2,1-a]isoquinolin-6(5H)-ones via radical cascade cyclization under metal-free conditions

2021 ◽  
Author(s):  
Qi Liu ◽  
Lei Wang ◽  
Jie Liu ◽  
Shuchen Ruan ◽  
Pinhua Li
Keyword(s):  
Efficient Synthesis ◽  
Facile Synthesis ◽  
Metal Free ◽  
Cascade Cyclization ◽  
Highly Efficient ◽  
Radical Cascade

A highly efficient synthesis of carbamoylated benzimidazo[2,1-a]isoquinolin-6(5H)-ones using 2-arylbenzoimidazoles and oxamic acids was developed. This strategy tolerated various substrates on the starting materials to generate the corresponding products in good...

scholarly journals Photo-induced copper-catalyzed sequential 1,n-HAT enabling the formation of cyclobutanols

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Zhusong Cao ◽  
Jianye Li ◽  
Guozhu Zhang
Keyword(s):  
Natural Products ◽  
Hydrogen Atom ◽  
Functional Groups ◽  
Organic Synthesis ◽  
Copper Complex ◽  
Building Blocks ◽  
Hydrogen Atom Transfer ◽  
Efficient Synthesis ◽  
Bond Functionalization ◽  
Cascade Cyclization

AbstractCyclobutanols are privileged cyclic skeletons in natural products and synthetic building blocks. C(sp3)−H functionalization is a prolonged challenge in organic synthesis. The synthesis of cyclobutanols through double C(sp3)-H bond functionalization remains elusive. Here we report the efficient synthesis of cyclobutanols through intermolecular radical [3 + 1] cascade cyclization, involving the functionalization of two C − H bonds through sequential hydrogen atom transfer. The copper complex reduces the iodomethylsilyl alcohols efficiently under blue-light irradiation to initiate the tandem transformation. The mild reaction tolerates a broad range of functional groups and allows for the facile generation of elaborate polycyclic structures.

Catalyst-free one-pot cascade cyclization: An efficient synthesis of isoindolobenzoxazinones and isoindoloquinazolinones derivatives

Tetrahedron ◽  
2021 ◽  
pp. 132571
Author(s):  
Wenzhong Li ◽  
Baibai Wan ◽  
Ran Shi ◽  
Si Chen ◽  
Jiazhu Li ◽  
...  
Keyword(s):  
Efficient Synthesis ◽  
One Pot ◽  
Cascade Cyclization ◽  
Catalyst Free
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