ChemInform Abstract: Intra- and Intermolecular C-S Bond Formation Using a Single Catalytic System: First Direct Access to Arylthiobenzothiazoles.

ChemInform ◽  
2010 ◽  
Vol 41 (6) ◽  
Author(s):  
Siva Murru ◽  
Harisadhan Ghosh ◽  
Santosh K. Sahoo ◽  
Bhisma K. Patel
Keyword(s):  
Catalytic System ◽  
Bond Formation ◽  
Direct Access

Intra- and Intermolecular C−S Bond Formation Using a Single Catalytic System: First Direct Access to Arylthiobenzothiazoles

2009 ◽  
Vol 11 (19) ◽  
pp. 4254-4257 ◽  
Author(s):  
Siva Murru ◽  
Harisadhan Ghosh ◽  
Santosh K. Sahoo ◽  
Bhisma K. Patel
Keyword(s):  
Catalytic System ◽  
Bond Formation ◽  
Direct Access

scholarly journals C–C (alkynylation) vs C–O (ether) bond formation under Pd/C–Cu catalysis: synthesis and pharmacological evaluation of 4-alkynylthieno[2,3-d]pyrimidines

2011 ◽  
Vol 7 ◽  
pp. 338-345 ◽  
Author(s):  
Dhilli Rao Gorja ◽  
K Shiva Kumar ◽  
K Mukkanti ◽  
Manojit Pal
Keyword(s):  
Cytotoxic Activity ◽  
Catalytic System ◽  
High Selectivity ◽  
Bond Formation ◽  
Terminal Alkynes ◽  
Ether Bond ◽  
Pharmacological Evaluation

The Pd/C–CuI–PPh3 catalytic system facilitated C–C bond formation between 4-chlorothieno[2,3-d]pyrimidines and terminal alkynes in methanol with high selectivity without generating any significant side products arising from C–O bond formation between the chloro compounds and methanol. A variety of novel 4-alkynylthieno[2,3- d]pyrimidines were prepared via alkynylation of 4-chlorothieno[2,3-d]pyrimidines in good to excellent yields. Some of the compounds synthesized were tested for cytotoxic activity in vitro.

Copper-catalyzed oxidative dehydrogenative N–N bond formation for the synthesis of N,N′-diarylindazol-3-ones

2017 ◽  
Vol 4 (2) ◽  
pp. 229-231 ◽  
Author(s):  
Guo Dai ◽  
Luo Yang ◽  
Wang Zhou
Keyword(s):  
Catalytic System ◽  
Bond Formation ◽  
Efficient Synthesis ◽  
Dehydrogenative Coupling

A general copper/air catalytic system for efficient synthesis of N,N′-diarylindazol-3-ones via oxidative dehydrogenative coupling was developed.

scholarly journals A Direct Access to 3-(2-Oxoalkyl)indoles via Aluminum Chloride Induced C—C Bond Formation.

ChemInform ◽  
2004 ◽  
Vol 35 (33) ◽  
Author(s):  
Manojit Pal ◽  
Rambabu Dakarapu ◽  
Srinivas Padakanti
Keyword(s):  
Aluminum Chloride ◽  
Bond Formation ◽  
Direct Access

CuSO4–d-glucose, an inexpensive and eco-efficient catalytic system: direct access to diverse quinolines through modified Friedländer approach involving SNAr/reduction/annulation cascade in one pot

RSC Advances ◽  
2015 ◽  
Vol 5 (10) ◽  
pp. 7654-7660 ◽  
Author(s):  
Namrata Anand ◽  
Tanmoy Chanda ◽  
Suvajit Koley ◽  
Sushobhan Chowdhury ◽  
Maya Shankar Singh
Keyword(s):  
Catalytic System ◽  
Direct Access ◽  
One Pot ◽  
Efficient Approach

A one-pot, efficient approach to quinoline synthesis, directly from 2-bromoaromatic aldehydes/ketones in a H2O–EtOH mixture involving a sequence of SNAr/reduction/annulation cascade using CuSO4-d-glucose, is devised.

ChemInform Abstract: Copper-Catalyzed Oxidative C-O Bond Formation of 2-Acyl Phenols and 1,3-Dicarbonyl Compounds with Ethers: Direct Access to Phenol Esters and Enol Esters.

ChemInform ◽  
2014 ◽  
Vol 45 (43) ◽  
pp. no-no
Author(s):  
Jihye Park ◽  
Sang Hoon Han ◽  
Satyasheel Sharma ◽  
Sangil Han ◽  
Youngmi Shin ◽  
...  
Keyword(s):  
Bond Formation ◽  
Direct Access ◽  
Dicarbonyl Compounds ◽  
Enol Esters

Rh-catalyzed oxidative C–C bond formation and C–N bond cleavage: direct access to C2-olefinated free (NH)-indoles and pyrroles

2014 ◽  
Vol 12 (11) ◽  
pp. 1703-1706 ◽  
Author(s):  
Satyasheel Sharma ◽  
Sangil Han ◽  
Mirim Kim ◽  
Neeraj Kumar Mishra ◽  
Jihye Park ◽  
...  
Keyword(s):  
Bond Cleavage ◽  
Bond Formation ◽  
Direct Access

The rhodium-catalyzed oxidative C2-olefination of indoles and pyrroles containing N-arylcarboxamide directing groups with a range of alkenes and subsequent cleavage of directing groups is described.

scholarly journals Hydroarylation of N-Allenyl Derivatives Catalyzed by Copper

2020 ◽  
Author(s):  
Florian Monnier ◽  
Racha Abdine ◽  
Lucas Pages ◽  
Marc Taillefer
Keyword(s):  
Catalytic System ◽  
Bond Formation ◽  
Economical Method

A simple copper catalytic system was used to perform the addition of (hetero)aryl nucleophiles to <i>N</i>-allenyl derivatives. This intermolecular C-C bond formation occurs with both complete regio- and stereoselectivity to afford the linear (<i>E</i>) allylic product with moderate to excellent yields. This atom economical method is the first example of hydroarylation of allenes catalyzed by copper.

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