Pd-PEPPSI-IPentCl: a new highly efficient ligand-free and recyclable catalyst system for the synthesis of 2-substituted indoles via domino copper-free Sonogashira coupling/cyclization

2017 ◽  
Vol 41 (16) ◽  
pp. 8187-8195 ◽  
Author(s):  
Murali Krishna Kolli ◽  
Nagul Meera Shaik ◽  
Govindasamy Chandrasekar ◽  
Sridhar Chidara ◽  
Raghu Babu Korupolu
Keyword(s):  
Copper Catalyst ◽  
Catalyst System ◽  
Recyclable Catalyst ◽  
Sonogashira Coupling ◽  
One Pot ◽  
Highly Efficient ◽  
One Pot Synthesis ◽  
Intermolecular Cyclization ◽  
Ligand Free

One pot synthesis of 2-substituted indolesviaSonogashira coupling (without a copper catalyst) followed by intermolecular cyclization using Pd-PEPPSI-IPentCl.

Copper and palladium-catalyzed sequential reactions: one-pot synthesis of isoindolo[2,1-b]isoquinolin-7(5H)-ones

2019 ◽  
Vol 17 (17) ◽  
pp. 4281-4290 ◽  
Author(s):  
Hitesh Kumar Saini ◽  
Shiv Dhiman ◽  
Nitesh Kumar Nandwana ◽  
Rangan Krishnan ◽  
Anil Kumar
Keyword(s):  
Heck Reaction ◽  
Sonogashira Coupling ◽  
One Pot ◽  
Highly Efficient ◽  
One Pot Synthesis ◽  
Ligand Free ◽  
Palladium Catalyzed ◽  
Sequential Reactions

A highly efficient protocol has been developed for the synthesis of diversely substituted isoindolo[2,1-b]isoquinolin-7(5H)-ones through sequential Cu(ii)-catalyzed Sonogashira coupling, intramolecular hydroamidation followed by palladium-catalyzed ligand free Heck reaction.

A one-pot synthesis of 2,2′-disubstituted diindolylmethanes (DIMs) via a sequential Sonogashira coupling and cycloisomerization/C3-functionalization of 2-iodoanilines

2017 ◽  
Vol 15 (33) ◽  
pp. 6997-7007 ◽  
Author(s):  
Anirban Kayet ◽  
Vinod K. Singh
Keyword(s):  
Sonogashira Coupling ◽  
Efficient Synthesis ◽  
Reaction Conditions ◽  
One Pot ◽  
Highly Efficient ◽  
One Pot Synthesis

Pd(ii)–Ag(i) catalysed, highly efficient synthesis of diindolylmethanes under mild reaction conditions, with six new bonds being formed in a one-pot fashion, and the products being transformed into synthetically useful compounds.

MOF-5 as a highly efficient and recyclable catalyst for one pot synthesis of 2,4-disubstituted quinoline derivatives

2020 ◽  
Vol 44 (20) ◽  
pp. 8614-8620 ◽  
Author(s):  
Song-Tao Xiao ◽  
Cui-Ting Ma ◽  
Jia-Qi Di ◽  
Zhan-Hui Zhang
Keyword(s):  
Aromatic Amines ◽  
Recyclable Catalyst ◽  
Solvent Free ◽  
Quinoline Derivatives ◽  
One Pot ◽  
Highly Efficient ◽  
One Pot Synthesis ◽  
Solvent Free Conditions ◽  
Three Component Reaction

An approach was developed for the synthesis of 2,4-disubstituted quinoline derivatives via a one pot three-component reaction of aromatic amines, aldehydes and alkynes catalyzed by MOF-5 under solvent-free conditions.

A quaternary ammonium salt [H-dabco][AcO]: as a recyclable and highly efficient catalyst for the one-pot synthesis of β-phosphonomalonates

RSC Advances ◽  
2015 ◽  
Vol 5 (37) ◽  
pp. 28857-28863 ◽  
Author(s):  
Ya-Qin Yu ◽  
Da-Zhen Xu
Keyword(s):  
Ammonium Salt ◽  
Quaternary Ammonium ◽  
Quaternary Ammonium Salt ◽  
Michael Reaction ◽  
Recyclable Catalyst ◽  
One Pot ◽  
Efficient Catalyst ◽  
Highly Efficient ◽  
One Pot Synthesis ◽  
The One

A recyclable catalyst for one-pot synthesis of β-phosphonomalonates via tandem Knoevenagel–phospha-Michael reaction.

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