Search Results - "RAVAL, DIPAK K"
-
1
A review on diverse heterocyclic compounds as the privileged scaffolds in antimalarial drug discovery
Published in European journal of medicinal chemistry (05-10-2018)“…The upward extend of malaria collectively with the emergence of resistance against predictable drugs has put enormous pressure on public health systems to…”
Get full text
Journal Article -
2
Synthesis, characterization and pharmacological screening of some novel 5-imidazopyrazole incorporated polyhydroquinoline derivatives
Published in European journal of medicinal chemistry (06-05-2014)“…A new category of polyhydroquinoline derivatives 8a-t were synthesized in moderate to good yield (64-85%) by one-pot three-component cyclocondensation reaction…”
Get full text
Journal Article -
3
Novel morpholinoquinoline nucleus clubbed with pyrazoline scaffolds: Synthesis, antibacterial, antitubercular and antimalarial activities
Published in European journal of medicinal chemistry (13-04-2016)“…A series of novel morpholinoquinoline based conjugates with pyrazoline moiety were synthesized under microwave irradiation. The newly synthesized compounds…”
Get full text
Journal Article -
4
Catalytic regioselective synthesis of pyrazole based pyrido[2,3-d]pyrimidine-diones and their biological evaluation
Published in Organic & biomolecular chemistry (21-03-2014)“…A new type of biopolymer-based heterogeneous catalyst, cellulose supported acidic ionic liquid (Cell-IL), which was developed earlier in our lab, has been…”
Get more information
Journal Article -
5
An efficient approach for the synthesis of spirooxindole derivatives catalyzed by novel sulfated choline based heteropolyanion at room temperature
Published in Tetrahedron (02-09-2014)“…A new zwitterionic salt, sulfated choline based heteropolyanion, which was reported earlier by our group, has been found to be very effective for the synthesis…”
Get full text
Journal Article -
6
Palladium N-heterocyclic carbene catalyzed regioselective thiolation of 1-aryl-3-methyl-1H-pyrazol-5(4H)-ones using aryl thiols
Published in Tetrahedron (25-02-2016)“…A palladium N-heterocyclic carbene [Pd(NHC)Cl2] complex of Vitamin B1 developed earlier in our lab was also found to be an effective catalyst for…”
Get full text
Journal Article -
7
Ultrasound-assisted one-pot four-component synthesis of novel 2-amino-3-cyanopyridine derivatives bearing 5-imidazopyrazole scaffold and their biological broadcast
Published in European journal of medicinal chemistry (18-08-2014)“…An alternative and environmentally caring way for the synthesis of novel 2-amino-3-cyanopyridine derivatives bearing 5-imidazopyrazole nucleus is reported by…”
Get full text
Journal Article -
8
Heteropolyanion-based sulfated ionic liquid catalyzed formamides synthesis by grindstone chemistry
Published in Journal of molecular catalysis. A, Chemical (01-09-2014)“…•The first report on mechanosynthesis route for N-formylation of amines using HIL.•Cationic part of the catalyst is derived from biocompatible material for the…”
Get full text
Journal Article -
9
Design, synthesis and characterization of fluoro substituted novel pyrazolylpyrazolines scaffold and their pharmacological screening
Published in European journal of medicinal chemistry (12-09-2014)“…A novel series of fluoro substituted pyrazolylpyrazolines 7a–l was synthesized in good to excellent yield (77–88%) from pyrazole chalcones 5a–d and substituted…”
Get full text
Journal Article -
10
C−H Functionalization Reactions of 1‐Aryl‐5‐pyrazolones
Published in European journal of organic chemistry (06-12-2022)“…In this contribution, we provide a comprehensive overview on the C−H activation/functionalization reactions of 1‐aryl‐5‐pyrazolones, in particular,…”
Get full text
Journal Article -
11
Synthesis and biological screening of novel 2-morpholinoquinoline nucleus clubbed with 1,2,4-oxadiazole motifs
Published in European journal of medicinal chemistry (27-01-2017)“…Novel series of 2-morpholinoquinoline scaffolds (6a-n), containing the 1,2,4-oxadiazole and moiety, was designed and synthesized in good yield (76–86%). The…”
Get full text
Journal Article -
12
Ionic liquid promoted facile and green synthesis of 1,8-dioxo-octahydroxanthene derivatives under microwave irradiation
Published in Journal of Saudi Chemical Society (01-01-2017)“…An efficient and environmentally benign procedure for the synthesis of 1,8-dioxo-octahydroxanthene by condensation reaction between…”
Get full text
Journal Article -
13
Saccharomyces cerevisiae catalyzed one pot synthesis of isoindolo[2,1-a]quinazoline performed under ultrasonication
Published in Journal of molecular catalysis. B, Enzymatic (01-06-2013)“…[Display omitted] ► This is the first report for the synthesis of title compounds using biocatalysis. ► Simultaneous application of sonic waves and baker's…”
Get full text
Journal Article -
14
CuI-catalyzed sulfenylation of 1-aryl trifluoromethyl pyrazolones: Direct formation of C-S-C bond using aryl iodides and carbon disulfide
Published in Journal of fluorine chemistry (01-01-2022)“…•The CuI-catalyzed C4-sulfenylation of 1-phenyl-3-trifluromethyl pyrazolones.•Commercially available starting materials and catalyst.•No oxidant and additive…”
Get full text
Journal Article -
15
A green protocol for the synthesis of quinoxaline derivatives catalyzed by polymer supported sulphanilic acid
Published in Arabian journal of chemistry (01-05-2017)“…Polymer supported sulphanilic acid was found to be an effective heterogeneous catalyst for one pot synthesis of various quinoxaline derivatives from the…”
Get full text
Journal Article -
16
Sonochemical synthesis of 2,3-dihydro-4(1H)-quinazolinones and 1-amidoalkyl-2-naphthols using magnetic nanoparticle-supported ionic liquid as a heterogeneous catalyst
Published in Research on chemical intermediates (2018)“…Ultrasound-promoted synthesis of 2,3-dihydro-4(1 H )-quinazolinones and 1-amidoalkyl-2-naphthols were carried out using magnetic nanoparticle-immobilized ionic…”
Get full text
Journal Article -
17
One-pot solvent-free rapid and green synthesis of 3,4-dihydropyrano[c]chromenes using grindstone chemistry
Published in Journal of Saudi Chemical Society (01-09-2016)“…An easy solvent-free method is described for the synthesis of 3,4-dihydropyrano[c]chromenes by a one pot three component coupling reaction of aromatic…”
Get full text
Journal Article -
18
Microwave-Assisted Solvent-Free Rapid Synthesis of 4-Methyl Coumarin Derivatives by Using Silica functionalized-SO3H as an Effective Heterogeneous Catalyst
Published in Polycyclic aromatic compounds (22-07-2021)“…A novel silica gel functionalized-SO 3 H as a heterogeneous catalyst was prepared and characterized by FT-IR, XRD, TGA and elemental analysis. It has been…”
Get full text
Journal Article -
19
Study on One-pot Biginelli-like Synthesis of Pyrazolo[3,4-d]pyrimidines in Bronsted Acidic Ionic Liquid Under Sonication and its Mechanism
Published in Journal of heterocyclic chemistry (01-11-2014)“…Pyrazolo[3,4‐d]pyrimidine derivatives were synthesized using ionic liquid, 1‐butylimidazolium tetrafluoroborate, under ultrasound irradiation at ambient…”
Get full text
Journal Article -
20
A convenient and efficient protocol for the one pot synthesis of 3,4-Dihydropyrimidin-2-(1H)-ones catalyzed by ionic liquids under ultrasound irradiation
Published in Journal of the Brazilian Chemical Society (01-03-2011)“…Derivatives of 3,4-dihydropyrimidin-2-(1H)-ones were synthesized in excellent yields in short reaction time by one pot, three component reaction of aldehydes,…”
Get full text
Journal Article