ChemInform Abstract: Metal Free Carboamination of Internal Alkynes - An Easy Access to Polysubstituted Quinolines.

ChemInform ◽  
2016 ◽  
Vol 47 (34) ◽  
Author(s):  
T. Stopka ◽  
M. Niggemann
Keyword(s):  
Easy Access ◽  
Metal Free ◽  
Internal Alkynes

Metal free carboamination of internal alkynes – an easy access to polysubstituted quinolines

2016 ◽  
Vol 52 (33) ◽  
pp. 5761-5764 ◽  
Author(s):  
T. Stopka ◽  
M. Niggemann
Keyword(s):  
Bond Formation ◽  
Acid Catalyst ◽  
Easy Access ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Metal Free ◽  
Brönsted Acid ◽  
Brønsted Acid Catalyst ◽  
Internal Alkynes ◽  
Brönsted Acid Catalyst

A synergistic Brønsted acid catalyst was used to intermolecularly generate vinyl cations for a C–C bond formation – Schmidt rearrangement – sequence.

scholarly journals Easy Access to Allylic Sulfones Through Transition-Metal-Free Hydrosulfonylation Of Allenes

2021 ◽  
Author(s):  
Lucas Pagès ◽  
Sébastien Lemouzy ◽  
Marc Taillefer ◽  
Florian Monnier
Keyword(s):  
Transition Metal ◽  
Easy Access ◽  
Metal Free

K2S2O8-mediated metal-free direct P–H/C–H functionalization: a convenient route to benzo[b]phosphole oxides from unactivated alkynes

2016 ◽  
Vol 18 (12) ◽  
pp. 3522-3526 ◽  
Author(s):  
Dumei Ma ◽  
Weizhu Chen ◽  
Gaobo Hu ◽  
Yun Zhang ◽  
Yuxing Gao ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Metal Contamination ◽  
Heavy Metal Contamination ◽  
Radical Addition ◽  
Metal Free ◽  
Internal Alkynes ◽  
Convenient Route

A metal-free and K2S2O8-mediated radical addition/cyclization of internal alkynes leading to benzo[b]phosphole oxides was developed, which eliminates residual heavy metal contamination in the product.

Visible light promoted coupling of alkynyl bromides and Hantzsch esters for the synthesis of internal alkynes

2019 ◽  
Vol 17 (1) ◽  
pp. 181-185 ◽  
Author(s):  
Zhi-Yong Song ◽  
Chun-Lin Zhang ◽  
Song Ye
Keyword(s):  
Visible Light ◽  
Metal Free ◽  
Internal Alkynes

A metal-free visible light promoted synthesis of internal alkynes was developed via the C(sp3)–C(sp) coupling of alkynyl bromides and Hantzsch esters.

Metal-Free Cycloaddition of Internal Alkynes and Multifunctional Azides Under Solvent-Free Conditions

2014 ◽  
Vol 215 (17) ◽  
pp. 1603-1608 ◽  
Author(s):  
Benedict Sandmann ◽  
Bobby Happ ◽  
Jürgen Vitz ◽  
Renzo M. Paulus ◽  
Martin D. Hager ◽  
...  
Keyword(s):  
Solvent Free ◽  
Metal Free ◽  
Solvent Free Conditions ◽  
Internal Alkynes

scholarly journals Metal‐Free Regioselective Chloroazidation of Internal Alkynes

2018 ◽  
Author(s):  
Bin Huang ◽  
Raphael Liffert ◽  
Anthony Linden ◽  
Karl Gademann
Keyword(s):  
Metal Free ◽  
Internal Alkynes

Iodinane- and Metal-Free Synthesis ofN-Cyano Sulfilimines:  Novel and Easy Access ofNH-Sulfoximines

2007 ◽  
Vol 9 (19) ◽  
pp. 3809-3811 ◽  
Author(s):  
Olga García Mancheño ◽  
Olivia Bistri ◽  
Carsten Bolm
Keyword(s):  
Easy Access ◽  
Metal Free

Metal-free oxidative acylation/cyclization of N-methacryloyl-2-phenylbenzoimidazole with aryl aldehydes: an easy access to benzimidazo[2,1-a]isoquinolin-6(5H)-ones

2019 ◽  
Vol 17 (44) ◽  
pp. 9627-9630 ◽  
Author(s):  
Ramesh Boora ◽  
G. Ravi kumar ◽  
B. V. Subba Reddy
Keyword(s):  
Free Radical ◽  
Radical Cyclization ◽  
Easy Access ◽  
Metal Free ◽  
Aryl Aldehydes

A metal-free radical cyclization strategy has been developed for the synthesis of fused benzimidazo[2,1-a]isoquinolin-6(5H)-one derivatives using 70% tert-butylhydroperoxide in water (TBHP).

Metal-Free One-Pot Protocol for the Preparation of Unexpected Carbazole Derivative in Water: Easy Access to Pyrimidocarbazole and Pyridocarbazolone Derivatives

Synlett ◽  
2014 ◽  
Vol 25 (15) ◽  
pp. 2115-2120 ◽  
Author(s):  
Sampak Samanta ◽  
Soumen Biswas ◽  
Debashis Majee ◽  
Anuradha Dagar
Keyword(s):  
Easy Access ◽  
One Pot ◽  
Carbazole Derivative ◽  
Metal Free
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