Search Results - "Rajendra Prasad, Karnam Jayarampillai"

Synthesis of novel benzo naphtho naphthyridines from 2,4‐dicloroquinolines by Kolandaivel, Prabha, Rajendran, Satheeshkumar, Karnam Jayarampillai, Rajendra Prasad

“…A schematic study on the condensation of 2,4‐dichloroquinolines (1) with 1‐naphthyamine (2) in the presence of CuI as a catalyst to functionalized mono (3) and…”
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Amine-catalyzed direct assembly of indanedione-fused spirobenzo[a]carbazoles from α,α-dicyanomethylidenecarbazoles by Arya, Kripalaya Ratheesh, Rajendra Prasad, Karnam Jayarampillai

“…An unprecedented amine-catalyzed stereoselective reaction of α,α-dicyanomethylidenecarbazoles with indane-1,3-dione and aryl/heteroaryl aldehydes afforded a…”
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Microwave‐supported synthesis of pyridocarbazoles by Kumaresan, Prabakaran, Sekar, Rubankumar, Ezhumalai, Yamuna, Matthias, Zeller, Karnam Jayarampillai, Rajendra Prasad

“…We developed a microwave‐assisted preparation of pyrido[2,3‐c]carbazole from 3‐amino‐9‐ethylcarbazole. The use of microwave heating resulted in shorter…”
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Synthesis, antimicrobial, antimycobacterial and structure–activity relationship of substituted pyrazolo-, isoxazolo-, pyrimido- and mercaptopyrimidocyclohepta[ b]indoles by Yamuna, Ezhumalai, Kumar, R. Ajay, Zeller, Matthias, Rajendra Prasad, Karnam Jayarampillai

“…A new class of heterocycles, specifically substituted pyrazolo-, isoxazolo- and pyrimidocyclohepta[ b]indoles, has been prepared by condensation of substituted…”
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Synthesis, spectroscopic, in vitro cytotoxicity and crystal structures of novel fluorinated dispiroheterocycles: DFT approach by Satheeshkumar, Rajendran, Sayin, Koray, Kaminsky, Werner, Rajendra Prasad, Karnam Jayarampillai

“…The reaction of azomethine ylide generated in situ from ninhydrin and sarcosine/thiaproline with fluorinated cyclopent[ b ]indole dipolarophiles in refluxing…”
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InCl3-catalyzed four-component reaction: a novel synthesis of N-carbazolyl dihydropyridines by YAMUNA, Ezhumalai, ZELLER, Matthias, JAYARAMPILLAI RAJENDRA PRASAD, Karnam

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Efficient Synthesis of Functionalized Thienocarbazoles Catalyzed by l‐proline by Kumaresan, Prabakaran, Matthias, Zeller, Karnam Jayarampillai, Rajendra Prasad

“…A new synthetic route has been developed for the synthesis of highly substituted thienocarbazoles via l‐proline mediated Gewald reaction. The approach offers…”
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Syntheses of indolo[3,2,1- d,e]phenanthridines and isochromeno[3,4- a] carbazoles: palladium catalyzed intramolecular arylation via C–H functionalization by Yamuna, Ezhumalai, Zeller, Matthias, Rajendra Prasad, Karnam Jayarampillai

“…A new synthetic route has been developed for the preparation of indolo[3,2,1- d,e]phenanthridines and isochromeno[3,4- a]carbazoles via palladium catalyzed…”
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Enhanced Method for the Synthesis and Comprehensive Characterization of 1-(4-Phenylquinolin-2-yl)propan-1-one by Rajendran, Satheeshkumar, Montecinos, Rodrigo, Cisterna, Jonathan, Prabha, Kolandaivel, Rajendra Prasad, Karnam Jayarampillai, Palakurthi, Sushesh Srivatsa, Aljabali, Alaa A. A, Naikoo, Gowhar A., Mishra, Vijay, Acevedo, Roberto, Sayin, Koray, Charbe, Nitin Bharat, Tambuwala, Murtaza M.

“…We present an enhanced method for synthesizing a novel compound, 1-(4-phenylquinolin-2-yl)propan-1-one (3), through the solvent-free Friedländer quinoline…”
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A Regioselective Synthesis of Carbazole‐Appended Dispiropyrrolothiazoles/Pyrrolidines: Synthesis, Computational Studies and In Vitro Anticancer Activity by Arya, Kripalaya Ratheesh, Sparkes, Hazel A., Pandiyan, Baskaran Vijaya, Rajendra Prasad, Karnam Jayarampillai

“…Anti‐oncological active carbazole appended dispiroindenoquinoxalinepyrrolothiazoles and dispiroacenaphthylenepyrrolidines were synthesized regioselectively via…”
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Efficient synthesis of benzo[h]carbazol[3,2‐b][1,6]naphthyridines by Ezhumalai, Yamuna, Kumaresan, Prabakaran, Matthias, Zeller, Karnam Jayarampillai, Rajendra Prasad

“…The use of CuI as a promoter to examine amination in the reaction of aminocarbazole (1) and 2‐methyl‐4‐chloroquinoline (2) resulted in a functionalized series…”
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Regio- and stereoselective synthesis of dispirooxindole-pyrrolocarbazole hybrids via 1,3-dipolar cycloaddition reactions: Cytotoxic activity and SAR studies by Murali, Karunanidhi, Sparkes, Hazel A., Rajendra Prasad, Karnam Jayarampillai

“…A library of novel dispiro compounds containing oxindole-pyrrolo-carbazole hybrid frame works has been synthesized in a fully regio- and stereoselective…”
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Synthesis of hetero annulated isoxazolo-, pyrido- and pyrimido carbazoles: Screened for in vitro antitumor activity and structure activity relationships, a novel 2-amino-4-(3'-bromo-4'-methoxyphenyl)-8-chloro-11H-pyrimido[4,5-a]carbazole as an antitumor agent by Murali, Karunanidhi, Sparkes, Hazel A., Rajendra Prasad, Karnam Jayarampillai

“…Claisen-Schmidt condensation of 2,3,4,9-tetrahydro-1H-carbazol-1-one with 3-bromo-4-methoxy benzaldehyde afforded the…”
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Solvent-free synthesis of dibenzo[b,j][1,10]phenanthroline derivatives using Eaton's reagent as catalyst by Satheeshkumar, Rajendran, Rajendra Prasad, Karnam Jayarampillai

“…A new class of dibenzo[b,j][1,10]phenanthrolines has been prepared. The synthon acridones were achieved in very good yield by a one-pot reaction of…”
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Synthesis, spectral analysis and quantum chemical studies on molecular geometry, chemical reactivity of 7-chloro-9-(2′-chlorophenyl)-2,3-dihydroacridin-4(1H)-one and 7-chloro-9-(2′-fluorophenyl)-2,3-dihydroacridin-4(1H)-one by Satheeshkumar, Rajendran, Sayin, Koray, Kaminsky, Werner, Rajendra Prasad, Karnam Jayarampillai

“…7-Chloro-9-(2'-chlorophenyl)-2,3-dihydroacridin-4(1H)-one (3a) and 7-chloro-9-(2'-fluorophenyl)-2,3-dihydroacridin-4-(1H)-one (3b) were synthesized from…”
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Indium triflate and ionic liquid-mediated Friedländer synthesis of 2-acylquinolines by Satheeshkumar, Rajendran, Sayin, Koray, Kaminsky, Werner, Rajendra Prasad, Karnam Jayarampillai

“…Friedländer synthesis of 2-acylquinolines from the reaction of symmetrical and unsymmetrical 1,2-diketones with 2-aminoarylketones in the presence of indium…”
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Rational eco-compatible synthesis and biological screening of new highly functionalized pyrido[2,3- a ]carbazole derivatives: A novel class of antioxidant and anticancer agents by Arya, Kripalaya Ratheesh, Rajendra Prasad, Karnam Jayarampillai

“…A solvent-free, one-pot, and operationally simple protocol was adopted to synthesize a new series of multifunctionalized pyrido[2,3-a]carbazole derivatives…”
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Theoretical and experimental investigations on molecular structure of 7-Chloro-9-phenyl-2,3-dihydroacridin-4(1H)-one with cytotoxic studies by Satheeshkumar, Rajendran, Shankar, Ramasamy, Kaminsky, Werner, Kalaiselvi, Sivalingam, Padma, Viswanadha Vijaya, Rajendra Prasad, Karnam Jayarampillai

“…7-Chloro-9-phenyl-2,3-dihydroacridin-4(1H)-one (3) is synthesized from 2-amino-5-chlorobenzophenone (1) and 1,2-cyclohexanedione (2) in the presence of…”
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A facile regioselective 1,3-dipolar cycloaddition protocol for the synthesis of new class of quinolinyl dispiro heterocycles by Senthil Kumar, Gopal, Satheeshkumar, Rajendran, Kaminsky, Werner, Platts, James, Rajendra Prasad, Karnam Jayarampillai

“…The 1,3-dipolar cycloaddition reaction of azomethine ylides generated in situ from isatin and secondary amino acids with quinolinyl dipolarophiles in refluxing…”
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Design and synthesis of novel pyrrolo[2,3-a]carbazoles: 7-Chloro-2-oxo-3a-(2′-oxo-2′,3′-dihydro-1′H-indol-3′-yl)-2,3,3a,4,5,10-hexahydro-pyrrolo[3,2-a]carbazole-1-carbonitrile as an efficient anticancer agent by Sathiyachandran, Perumal, Manogaran, Prasath, Nesterov, Vladimir N., Padma, Viswanadha Vijaya, Rajendra Prasad, Karnam Jayarampillai

“…Highly efficient poly functionalized pyrrolo[3,2-a]carbazoles via ring contraction through rearrangement and intramolecular Michael addition reaction using one…”
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