Search Results - "Raval, Dipak K"

A review on diverse heterocyclic compounds as the privileged scaffolds in antimalarial drug discovery by Kalaria, Piyush N., Karad, Sharad C., Raval, Dipak K.

“…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

Synthesis, characterization and pharmacological screening of some novel 5-imidazopyrazole incorporated polyhydroquinoline derivatives by Kalaria, Piyush N, Satasia, Shailesh P, Raval, Dipak K

“…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

Catalytic regioselective synthesis of pyrazole based pyrido[2,3-d]pyrimidine-diones and their biological evaluation by Satasia, Shailesh P, Kalaria, Piyush N, Raval, Dipak K

“…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

Novel morpholinoquinoline nucleus clubbed with pyrazoline scaffolds: Synthesis, antibacterial, antitubercular and antimalarial activities by Karad, Sharad C., Purohit, Vishal B., Thakor, Parth, Thakkar, Vasudev R., Raval, Dipak K.

“…A series of novel morpholinoquinoline based conjugates with pyrazoline moiety were synthesized under microwave irradiation. The newly synthesized compounds…”
Get full text

An efficient approach for the synthesis of spirooxindole derivatives catalyzed by novel sulfated choline based heteropolyanion at room temperature by Satasia, Shailesh P., Kalaria, Piyush N., Avalani, Jemin R., Raval, Dipak K.

“…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

Palladium N-heterocyclic carbene catalyzed regioselective thiolation of 1-aryl-3-methyl-1H-pyrazol-5(4H)-ones using aryl thiols by Purohit, Vishal B., Karad, Sharad C., Patel, Kirit H., Raval, Dipak K.

“…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

Ultrasound-assisted one-pot four-component synthesis of novel 2-amino-3-cyanopyridine derivatives bearing 5-imidazopyrazole scaffold and their biological broadcast by Kalaria, Piyush N., Satasia, Shailesh P., Avalani, Jemin R., Raval, Dipak K.

“…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

Heteropolyanion-based sulfated ionic liquid catalyzed formamides synthesis by grindstone chemistry by Satasia, Shailesh P., Kalaria, Piyush N., Raval, Dipak K.

“…•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

Design, synthesis and characterization of fluoro substituted novel pyrazolylpyrazolines scaffold and their pharmacological screening by Karad, Sharad C., Purohit, Vishal B., Raval, Dipak K.

“…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

C−H Functionalization Reactions of 1‐Aryl‐5‐pyrazolones by Purohit, Vishal B., Prajapati, Ronak V., Prajapati, Vaibhav D., Karad, Sharad C., Sapariya, Nirav H., Avalani, Jemin R., Raval, Dipak K.

“…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

Synthesis and biological screening of novel 2-morpholinoquinoline nucleus clubbed with 1,2,4-oxadiazole motifs by Karad, Sharad C., Purohit, Vishal B., Thummar, Rahul P., Vaghasiya, Beena K., Kamani, Ronak D., Thakor, Parth, Thakkar, Vasudev R., Thakkar, Sampark S., Ray, Arabinda, Raval, Dipak K.

“…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

Ionic liquid promoted facile and green synthesis of 1,8-dioxo-octahydroxanthene derivatives under microwave irradiation by Dadhania, Abhishek N., Patel, Vaibhav K., Raval, Dipak K.

“…An efficient and environmentally benign procedure for the synthesis of 1,8-dioxo-octahydroxanthene by condensation reaction between…”
Get full text

Saccharomyces cerevisiae catalyzed one pot synthesis of isoindolo[2,1-a]quinazoline performed under ultrasonication by Avalani, Jemin R., Patel, Devji S., Raval, Dipak K.

“…[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

CuI-catalyzed sulfenylation of 1-aryl trifluoromethyl pyrazolones: Direct formation of C-S-C bond using aryl iodides and carbon disulfide by Prajapati, Vaibhav D., Prajapati, Ronak V., Purohit, Vishal B., Avalani, Jemin R., Kamani, Ronak D., Sapariya, Nirav H., Raval, Dipak K.

“…•The CuI-catalyzed C4-sulfenylation of 1-phenyl-3-trifluromethyl pyrazolones.•Commercially available starting materials and catalyst.•No oxidant and additive…”
Get full text

A green protocol for the synthesis of quinoxaline derivatives catalyzed by polymer supported sulphanilic acid by Tarpada, Umesh P., Thummar, Bhautik B., Raval, Dipak K.

“…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

Sonochemical synthesis of 2,3-dihydro-4(1H)-quinazolinones and 1-amidoalkyl-2-naphthols using magnetic nanoparticle-supported ionic liquid as a heterogeneous catalyst by Dadhania, Harsh N., Raval, Dipak K., Dadhania, Abhishek N.

“…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

One-pot solvent-free rapid and green synthesis of 3,4-dihydropyrano[c]chromenes using grindstone chemistry by Patel, Devji S., Avalani, Jemin R., Raval, Dipak K.

“…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

Microwave-Assisted Solvent-Free Rapid Synthesis of 4-Methyl Coumarin Derivatives by Using Silica functionalized-SO3H as an Effective Heterogeneous Catalyst by Kalaria, Piyush N., Satasia, Shailesh P., Purohit, Vishal B., Avalani, Jemin R., Sapariya, Nirav H., Raval, Dipak K.

“…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

Study on One-pot Biginelli-like Synthesis of Pyrazolo[3,4-d]pyrimidines in Bronsted Acidic Ionic Liquid Under Sonication and its Mechanism by Thummar, Bhautik B., Tarpada, Umesh P., Raval, Dipak K.

“…Pyrazolo[3,4‐d]pyrimidine derivatives were synthesized using ionic liquid, 1‐butylimidazolium tetrafluoroborate, under ultrasound irradiation at ambient…”
Get full text

A convenient and efficient protocol for the one pot synthesis of 3,4-Dihydropyrimidin-2-(1H)-ones catalyzed by ionic liquids under ultrasound irradiation by Dadhania, Abhishek N, Patel, Vaibhav K, Raval, Dipak K

“…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