Search Results - "Sapariya, Nirav H."

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,…”
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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…”
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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…”
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N‐Chlorosuccinimide Mediated Direct C−H Thiocyanation of 1‐Aryl‐5‐pyrazolones at Room Temperature by Prajapati, Ronak V., Prajapati, Vaibhav D., Purohit, Vishal B., Andre Baptista, Luis, Avalani, Jemin R., Sapariya, Nirav H., Karad, Sharad C., Raval, Dipak K.

“…A facile synthetic protocol has been established for the N‐chlorosuccinimide (NCS) promoted direct C−H thiocyanation of 1‐aryl‐5‐pyrazolones via in…”
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Elemental sulfur and aryl iodides in copper(I)iodide catalyzed sulfenylation of 1-aryl-3-alkyl-1H-pyrazol-5(4H)-ones by Prajapati, Ronak V., Prajapati, Vaibhav D., Purohit, Vishal B., Avalani, Jemin R., Kamani, Ronak D., Sapariya, Nirav H., Raval, Dipak K.

“…[Display omitted] •Use of low-cost CuI in C4-selective sulfenylation.•Elemental sulfur act as sulfenylating agents in the presence of base (Cs2CO3).•Air act as…”
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Oxidative cyanide-free cyanation on arylboronic acid derivatives using aryl/heteroaryl thiocyanate using novel IL-PdCl4 catalyst under mild condition by Vaghasiya, Beena K., Satasia, Shailesh P., Thummar, Rahul P., Kamani, Ronak D., Avalani, Jemin R., Sapariya, Nirav H., Raval, Dipak K.

“…An efficient and simple method is reported for the cyanation on arylboronic acid using various simple/indole thiocyanates using a new IL-PdCl 4 catalyst. The…”
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Transition-metal-free direct arylselenation of 1-aryl-3-methyl pyrazolones using diselenides by Prajapati, Vaibhav D., Prajapati, Ronak V., Purohit, Vishal B., Baptista, Luis Andre, Avalani, Jemin R., Sapariya, Nirav H., Karad, Sharad C., Raval, Dipak K.

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Microwave-Assisted Solvent-Free Rapid Synthesis of 4-Methyl Coumarin Derivatives by Using Silica functionalized-SO 3 H as an Effective Heterogeneous Catalyst by Kalaria, Piyush N., Satasia, Shailesh P., Purohit, Vishal B., Avalani, Jemin R., Sapariya, Nirav H., Raval, Dipak K.

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N‐Chlorosuccinimide Mediated Regioselective Sulfenylation and Halogenation of 4H‐Pyrido[1,2‐a]pyrimidin‐4‐ones at Room Temperature by Prajapati, Vaibhav D., Prajapati, Ronak V., Purohit, Vishal B., Avalani, Jemin R., Sapariya, Nirav H., Kamani, Ronak D., Karad, Sharad C., Raval, Dipak K.

“…A simple and efficient strategy for N‐chlorosuccinimide mediated regioselective C−H sulfenylation and halogenation of 4H‐pyrido[1,2‐a]pyrimidin‐4‐ones has been…”
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Microwave‐Assisted Palladium‐catalyzed double C−H Activation: One‐pot Synthesis of Benzo[a]imidazo[5,1,2‐cd]indolizines from 2‐Phenylimidazo[1,2‐a]pyridines and 1,2‐Diiodobenzene by Prajapati, Ronak V., Prajapati, Vaibhav D., Purohit, Vishal B., Avalani, Jemin R., Kamani, Ronak D., Sapariya, Nirav H., Karad, Sharad C., Raval, Dipak K.

“…A facile synthetic strategy has been established for the microwave‐assisted construction of two C−C bond via regioselective double arylation of…”
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N‐Chlorosuccinimide Mediated Regioselective Sulfenylation and Halogenation of 4 H ‐Pyrido[1,2‐ a ]pyrimidin‐4‐ones at Room Temperature by Prajapati, Vaibhav D., Prajapati, Ronak V., Purohit, Vishal B., Avalani, Jemin R., Sapariya, Nirav H., Kamani, Ronak D., Karad, Sharad C., Raval, Dipak K.

“…Abstract A simple and efficient strategy for N‐chlorosuccinimide mediated regioselective C−H sulfenylation and halogenation of 4 H ‐pyrido[1,2‐ a…”
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Oxidative cyanide-free cyanation on arylboronic acid derivatives using aryl/heteroaryl thiocyanate using novel IL-PdCl 4 catalyst under mild condition by Vaghasiya, Beena K., Satasia, Shailesh P., Thummar, Rahul P., Kamani, Ronak D., Avalani, Jemin R., Sapariya, Nirav H., Raval, Dipak K.

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One‐Pot Catalyst‐Free Direct Sulfenylation of 1‐Aryl Pyrazolones with Aryl Thiols at Room Temperature by Kamani, Ronak D., Purohit, Vishal B., Thummar, Rahul P., Sapariya, Nirav H., Vaghasiya, Beena K., Patel, Kirit H., Pashavan, Chandankumar T., Shah, Manish K., Raval, Dipak K.

“…A novel strategy for N‐chlorosuccinimide mediated direct sulfenylation of 1‐aryl pyrazolones using aryl thiols has been developed at room temperature. The…”
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