Palladium catalyzed ligand-free Suzuki cross-coupling reactions of benzylic halides with aryl boronic acids under mild conditions

2004 ◽  
Vol 45 (37) ◽  
pp. 6959-6962 ◽  
Author(s):  
B.P. Bandgar ◽  
Sampada V. Bettigeri ◽  
Jaywant Phopase
Keyword(s):  
Cross Coupling ◽  
Boronic Acids ◽  
Coupling Reactions ◽  
Mild Conditions ◽  
Cross Coupling Reactions ◽  
Ligand Free ◽  
Palladium Catalyzed

Efficient symmetrical bidentate dioxime ligand-accelerated homogeneous palladium-catalyzed Suzuki–Miyaura coupling reactions of aryl chlorides

2017 ◽  
Vol 41 (1) ◽  
pp. 372-376 ◽  
Author(s):  
Jinyi Song ◽  
Hongyan Zhao ◽  
Yang Liu ◽  
Huatao Han ◽  
Zhuofei Li ◽  
...  
Keyword(s):  
High Activity ◽  
Cross Coupling ◽  
Coupling Reactions ◽  
Bidentate Ligands ◽  
Aryl Chlorides ◽  
Arylboronic Acids ◽  
Mild Conditions ◽  
Cross Coupling Reactions ◽  
Palladium Catalyzed

A series of N,O-bidentate ligands were synthesized and studied as high activity ligands for palladium-catalyzed Suzuki–Miyaura cross-coupling reactions of aryl chlorides with arylboronic acids under mild conditions.

One-pot Synthesis of Dibenzofurans via SNAr and Subsequent Ligand-free Palladium-catalyzed Intramolecular Aryl-aryl Cross-coupling Reactions under Microwave Irradiation

2011 ◽  
Vol 66 (8) ◽  
pp. 833-836
Author(s):  
Zhiping Che ◽  
Hui Xu
Keyword(s):  
Microwave Irradiation ◽  
Cross Coupling ◽  
Aryl Halides ◽  
Coupling Reactions ◽  
One Pot ◽  
One Pot Synthesis ◽  
Cross Coupling Reactions ◽  
Ligand Free ◽  
Palladium Catalyzed ◽  
Snar Reaction

An efficient one-pot synthesis of dibenzofurans, via SNAr reaction of aryl halides and ortho-bromophenols in the presence of anhydrous K2CO3 and subsequent ligand-free palladium-catalyzed intramolecular aryl-aryl cross-coupling cyclization under microwave irradiation, is described.

Synthesis of Novel Annulated Hymenialdisine Analogues via Palladium-Catalyzed Cross-Coupling Reactions with Aryl Boronic Acids

Synlett ◽  
2009 ◽  
Vol 2010 (02) ◽  
pp. 211-214
Author(s):  
Man-Kin Tse ◽  
Naveenkumar Mangu ◽  
Anke Spannenberg ◽  
Matthias Beller
Keyword(s):  
Cross Coupling ◽  
Boronic Acids ◽  
Coupling Reactions ◽  
Cross Coupling Reactions ◽  
Palladium Catalyzed

Palladium-Catalyzed Suzuki Cross-Coupling of 2-Halo-Deazapurines with Potassium Organotrifluoroborate Salts in the Regioselective Synthesis of Imidazo[4,5-b]pyridine Analogues

2016 ◽  
Vol 69 (6) ◽  
pp. 618 ◽  
Author(s):  
Bhaskaran Savitha ◽  
Ayyiliath. M. Sajith ◽  
M. Nibin Joy ◽  
K.K. Abdul Khader ◽  
A. Muralidharan ◽  
...  
Keyword(s):  
Comparative Study ◽  
Cross Coupling ◽  
Reaction Rates ◽  
Boronic Acids ◽  
Coupling Reactions ◽  
Coupling Process ◽  
Substantial Role ◽  
Cross Coupling Reactions ◽  
Palladium Catalyzed ◽  
High Yields

In this paper, we report the use of potassium organotrifluoroborate salts as nucleophilic organoboron reagents in the Suzuki cross-coupling reactions of 2-halo deazapurines. Regio-isomeric C-2-substituted imidazo[4,5-b]pyridine analogues were synthesized by employing this protocol in good to excellent yields. Whereas aryl and heteroaryl trifluoroborates reacted readily to give the coupled products in high yields, alkyltrifluoroborates were found to be less reactive. The utilization of tetrabutylammonium acetate was found to play a substantial role in enhancing the reaction rates of the cross-coupling process. Also, a comparative study was performed between boronic acids and potassium organotrifluoroborate salts.

Palladium-catalyzed cross-coupling reactions of aryl boronic acids with aryl halides in water

2009 ◽  
Vol 21 ◽  
pp. S124-S126 ◽  
Author(s):  
Shaoyan WANG ◽  
Zhiqiang ZHANG ◽  
Zhizhi HU ◽  
Yue WANG ◽  
Peng LEI ◽  
...  
Keyword(s):  
Cross Coupling ◽  
Boronic Acids ◽  
Aryl Halides ◽  
Coupling Reactions ◽  
Cross Coupling Reactions ◽  
Palladium Catalyzed

Synthesis of Ortho-Arylated and Alkenylated Benzamides by Palladium-Catalyzed Denitrogenative Cross-Coupling Reactions of 1,2,3-Benzotriazin-4(3H)‑Ones with Organoboronic Acids

2021 ◽  
Author(s):  
Hari Balakrishnan Madasamy ◽  
Kanagaraj Madasamy ◽  
Velayutham Sankar ◽  
Mahesh kumar Ravva ◽  
Mannathan Subramaniyan
Keyword(s):  
Cross Coupling ◽  
Boronic Acids ◽  
Coupling Reactions ◽  
Cross Coupling Reactions ◽  
Organoboronic Acids ◽  
Palladium Catalyzed

An efficient palladium-catalyzed denitrogenative Suzuki-Miyaura type cross-coupling of 1,2,3-benzotriazin-4(3H) ones with organoboronic acid is described. The reaction is compatible with various aryl and alkenyl boronic acids affording ortho-arylated and alkenylated...

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