4.7 Article

Recyclable photocatalyst perovskite as a single-electron redox mediator for visible-light-driven photocatalysis gram-scale synthesis of 3,4-dihydropyrimidin-2-(1H)-ones/thiones in air atmosphere

Related references

Note: Only part of the references are listed.
Article Chemistry, Organic

N-(Phenylsulfonyl)Benzenesulfonamide: A New Organocatalyst for One-Pot, Solvent-Free Synthesis of Biginelli's 3,4-Dihydropyrimidine-2(1H)-Thiones

Prerna Ganwir et al.

Summary: This report presents an efficient method for the synthesis of 3,4-dihydropyrimidine-2(1H)-ones/thiones via Biginelli condensation. The method features a novel catalyst, high yields, quick reaction time, solvent-free environment, simple workup, and the ability to tolerate a variety of functional groups. Additionally, the method is applied to the synthesis of the active pharmaceutical ingredient Piperasterol.

POLYCYCLIC AROMATIC COMPOUNDS (2023)

Article Chemistry, Multidisciplinary

Carbazole-based photocatalyst (4CzIPN) for novel donor-acceptor (D-A) fluorophore-catalyzed visible-light-induced photosynthesis of 3,4-dihydropyrimidin-2-(1H)-ones/thiones via a proton-coupled electron transfer (PCET) process

Farzaneh Mohamadpour

Summary: Based on the Biginelli reaction, a green synthesis procedure was developed for 3,4-dihydropyrimidin-2-(1H)-ones/thiones using beta-ketoesters, arylaldehydes, and urea/thiourea. A PCET photocatalyst in an ethanol solution was utilized at room temperature and under visible light, offering a renewable energy source. The carbazole-based photocatalyst (4CzIPN) demonstrated high yields, energy-efficiency, and ecological friendliness, making it a cost-effective and readily available donor-acceptor fluorophore. The study also showed the potential industrial application of the procedure through gram-scale cyclization.

RSC ADVANCES (2023)

Article Chemistry, Organic

Co-operative visible-light and Cu/Cu2O@g-C3N4 catalysis towards Hantzsch/Biginelli synthesis of dihydro-pyridine/pyrimidine

Puneet K. Singh et al.

Summary: This study reports the Cu/Cu2O@g-C3N4 catalyzed direct synthesis of 1,4-dihydropyridines and 1,4-dihydropyrimidines using the Hantzsch and Biginelli protocols. The methodology offers operational simplicity, mild reaction conditions, low catalyst loading, no need for column chromatography, and reusability of the catalyst up to five times without significant loss of activity.

JOURNAL OF HETEROCYCLIC CHEMISTRY (2023)

Article Chemistry, Organic

Rapid One-Pot Multicomponent Dioxane-HCl Complex Catalyzed Solvent-Free Synthesis of 3,4-Dihydropyrimidine-2-One Derivatives

Tukaram S. Choudhare et al.

Summary: A simple and efficient one-pot multicomponent solvent-free protocol has been developed for the synthesis of 3,4-dihydropyrimidine-2-one derivatives, utilizing various aromatic aldehyde, ethyl acetoacetate, urea, and dioxane-HCl as catalyst. The advantages of this protocol include its solvent-free nature, cost-effectiveness, high product yield, and the utilization of Dioxane-HCl complex as a catalyst.

POLYCYCLIC AROMATIC COMPOUNDS (2022)

Article Chemistry, Organic

Perovskite as Recyclable Photocatalyst for Annulation Reaction of N-Sulfonyl Ketimines

Anzai Shi et al.

Summary: A sustainable and cost-effective method for the synthesis of imidazolidine-fused sulfamidates using CsPbBr3 as a heterogeneous photocatalyst has been developed. The catalyst can be easily recovered and reused at least five times without a significant decrease in its photocatalytic reactivity, demonstrating a high catalyst economic feature.

ORGANIC LETTERS (2022)

Article Multidisciplinary Sciences

The development of Friedlander heteroannulation through a single electron transfer and energy transfer pathway using methylene blue (MB+)

Farzaneh Mohamadpour

Summary: This study developed a metal-free synthesis method for polysubstituted quinoline compounds using the Friedlander hetero-annulation reaction. By utilizing the photo-excited state functions generated from MB+ as catalysts and visible light as a renewable energy source, this method achieved high yields, efficiency, and environmental friendliness.

SCIENTIFIC REPORTS (2022)

Article Chemistry, Multidisciplinary

Visible-Light-Induced Radical Condensation Cyclization to Synthesize 3,4-Dihydropyrimidin-2-(1H)-ones/thiones Using Photoexcited Na2 Eosin Y as a Direct Hydrogen Atom Transfer (HAT) Catalyst

Farzaneh Mohamadpour

Summary: The research shows that Na-2 eosin Y-derived photoinduced states serve as an HAT catalyst for the synthesis of 3,4-dihydropyrimidin-2-(1H)-ones/thiones in ethanol at room temperature. This offers a novel function for a nonmetallic natural dye, Na-2 eosin Y, which is commercially available at a low cost, in photochemical synthesis with minimal catalyst usage, resulting in good outcomes, accelerated processes, and high atom economy. The TON and TOF of 3,4-dihydropyrimidin-2-(1H)-ones/thiones are calculated. Furthermore, this cycle can also be performed on a gram scale, indicating its potential for industrial purposes.

ACS OMEGA (2022)

Article Nanoscience & Nanotechnology

Magnetic Boron Nitride Nanosheets Decorated with Cobalt Nanoparticles as Catalyst for the Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones/thiones

Pooja Rana et al.

Summary: Atomically thin two-dimensional boron nitride nanosheets have been used as exceptional support matrixes in nanocatalysis research. In this study, a magnetic boron nitride nanosheet-based cobalt catalytic system was fabricated, showing remarkable catalytic activity in the synthesis of 3,4-dihydropyrimidin-2(1H)-ones/thiones. The hybrid material exhibited excellent characteristics such as ambient reaction conditions, high product yield, thermal and mechanical stability, as well as facile magnetic retrievability and efficient recyclability. This methodology has a wide range of applications and potential for designing next-generation 2D catalytic materials.

ACS APPLIED NANO MATERIALS (2022)

Article Chemistry, Organic

An efficient, surfactant mediated Biginelli condensation for the one pot synthesis of dihydropyrimidine derivatives

Deboshikha Bhattacharjee et al.

Summary: Sodium dodecyl sulfate (SDS) has been demonstrated as an efficient surfactant mediated catalyst for the synthesis of dihydropyrimidinone derivatives. The method is facile, high-yielding, and eco-friendly.

TETRAHEDRON LETTERS (2022)

Article Chemistry, Physical

Perovskite as recyclable heterogeneous photocatalyst for synthesis of bis-1,3-dicarbonyl compounds

Wang Sun et al.

Summary: An efficient and simple method for synthesizing bis-1,3-dicarbonyl compounds using CsPbBr3 perovskite as a heterogeneous photocatalyst has been developed. The catalyst exhibits high catalytic activity, broad substrate scope, and can be easily recycled and reused multiple times without significant loss of activity.

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY (2022)

Article Chemistry, Applied

New role for photoexcited organic dye, Na2 eosin Y via the direct hydrogen atom transfer (HAT) process in photochemical visible-light-induced synthesis of spiroacenaphthylenes and 1H-pyrazolo[1,2-b] phthalazine-5,10-diones under air atmosphere

Farzaneh Mohamadpour

Summary: A green multi-component tandem strategy for metal-free synthesizing spiroacenaphthylenes and 1H-pyrazolo [1,2-b]phthalazine-5,10-diones is reported, using Na2 eosin Y as a direct hydrogen atom transfer catalyst under visible light-mediated conditions. The reaction demonstrates high atom economy, excellent yields and simplicity, showcasing its potential for industrial uses.

DYES AND PIGMENTS (2021)

Review Chemistry, Inorganic & Nuclear

Metal Halide Perovskites for Energy Storage Applications

Saranya Narayanan et al.

Summary: Metal halide perovskites have emerged as strong candidates for energy conversion and storage, with a limited current use in energy storage devices. This review summarizes their status in Li-ion battery and supercapacitor applications, focusing on device architecture, synthesis methods, and material properties, while exploring the impact of the perovskite active layer on device performance and proposing perspectives for further development.

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY (2021)

Review Chemistry, Multidisciplinary

Layered Hybrid Formamidinium Lead Iodide Perovskites: Challenges and Opportunities

Jovana Milic et al.

Summary: Hybrid halide perovskite materials are leading candidates for optoelectronic applications, but face issues such as thermal and environmental instability. Recent research has shown that layered two-dimensional perovskite phases are more stable and have better resistance to gas and ion migration compared to other forms.

ACCOUNTS OF CHEMICAL RESEARCH (2021)

Article Chemistry, Physical

A new role for photoexcited Na2 eosin Y as direct hydrogen atom transfer (HAT) photocatalyst in photochemical synthesis of dihydropyrano[2,3-c] pyrazole scaffolds promoted by visible light irradiation under air atmosphere

Farzaneh Mohamadpour

Summary: Evidence suggests that photoexcited states of Na2 eosin Y can serve as a HAT catalyst to synthesize dihydropyrano[2,3-c]pyrazole scaffolds via a four-condensation domino reaction under visible light in aqueous ethanol. This study highlights the advantages of using Na2 eosin Y as a metal-free organic dye in photochemical synthesis, with low catalyst usage, high yields, time-saving properties, and high atom economy. Notably, the reaction is scalable for industrial applications.

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY (2021)

Review Chemistry, Multidisciplinary

Two-dimensional halide perovskites: synthesis, optoelectronic properties, stability, and applications

Sushant Ghimire et al.

Summary: Halide perovskites are promising materials for light-emitting and light-harvesting applications, with two-dimensional structures being particularly important due to their flexibility, confinement, and stability. This review article provides an extensive overview of recent developments in two-dimensional halide perovskites, discussing synthesis, control of shape, different crystalline phases, and optoelectronic properties, as well as applications in various technologies. Additionally, the review emphasizes the superior moisture, thermal, and photostability of two-dimensional perovskites compared to their three-dimensional counterparts.

NANOSCALE (2021)

Review Chemistry, Multidisciplinary

Synthesis, optoelectronic properties and applications of halide perovskites

Lata Chouhan et al.

CHEMICAL SOCIETY REVIEWS (2020)

Review Chemistry, Multidisciplinary

Tuning the Luminescence of Layered Halide Perovskites

Matthew D. Smith et al.

CHEMICAL REVIEWS (2019)

Review Chemistry, Multidisciplinary

Perovskites for Next-Generation Optical Sources

Li Na Quan et al.

CHEMICAL REVIEWS (2019)

Article Chemistry, Physical

Photo-induced thiol coupling and C-H activation using nanocrystalline lead-halide perovskite catalysts

Wen-Bin Wu et al.

CATALYSIS SCIENCE & TECHNOLOGY (2018)

Article Chemistry, Organic

An improved synthesis of Biginelli-type compounds via phase-transfer catalysis

Bahar Ahmed et al.

TETRAHEDRON LETTERS (2009)

Article Chemistry, Medicinal

Chemical modulators of heat shock protein 70 (Hsp70) by sequential, microwave-accelerated reactions on solid phase

Susanne Wisen et al.

BIOORGANIC & MEDICINAL CHEMISTRY LETTERS (2008)

Article Chemistry, Organic

An efficient bakers' yeast catalyzed synthesis of 3,4-dihydropyrimidin-2-(1 H)-ones

Atul Kumar et al.

TETRAHEDRON LETTERS (2007)

Article Chemistry, Medicinal

Synthesis and cardiac effects of 3,4-dihydropyrimidin-2-(1H)-one-5 carboxylates

Kuppusamy Sujatha et al.

BIOORGANIC & MEDICINAL CHEMISTRY LETTERS (2006)

Article Chemistry, Applied

Synthesis and antioxidative properties of some 3,4-dihydropyrimidin-2(1H)ones (-thiones)

A. M. Magerramov et al.

RUSSIAN JOURNAL OF APPLIED CHEMISTRY (2006)

Review Chemistry, Multidisciplinary

The guanidine metabolites of Ptilocaulis spiculifer and related compounds; isolation and synthesis

L Heys et al.

CHEMICAL SOCIETY REVIEWS (2000)