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Raj V, Chun KS, Lee S. State-of-the-art advancement in tara gum polysaccharide (Caesalpinia spinosa) modifications and their potential applications for drug delivery and the food industry. Carbohydr Polym 2024; 323:121440. [PMID: 37940305 DOI: 10.1016/j.carbpol.2023.121440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/25/2023] [Accepted: 09/26/2023] [Indexed: 11/10/2023]
Abstract
In preference to synthetic or petroleum-based materials, current research in food and pharmaceutical industries has focused on the development of biodegradable and sustainable materials due to their low toxicity, and biocompatibility. In particular, the natural water-soluble polysaccharide tara gum (Caesalpinia spinosa) has been widely used as a food-grade and drug-delivery agent due to its biodegradability, and biocompatibility. Moreover, owing to its easily modifiable hydroxy groups, tara gum, and its derivatives have been employed as food packaging films and pharmaceutical materials. In the present critical review, facile grafting methods of tara gum are reviewed, and an up-to-date comprehensive application of tara gum polysaccharides revealed their uses in pH-sensitive food packaging. In addition, modified tara gum materials exhibited improved drug delivery applications with biocompatible properties. The non-toxic nature and non-Newtonian, pseudoplastic rheological properties as well as the synergistic behavior of tara gum with other polysaccharides explore its further industrial applications in several fields. Additionally, several approaches for improving tara gum for use as a stabilizer and thickener for food items, and monitoring food spoilage, have provided notable customized characteristics. In brief, its many advantages make tara gum polysaccharide a promising material for applications in the food and pharmaceutical industries.
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Affiliation(s)
- Vinit Raj
- College of Pharmacy, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul, Republic of Korea
| | - Kyung-Soo Chun
- College of Pharmacy, Keimyung University, Daegu 42691, Republic of Korea; Center for Forensic Pharmaceutical Science, Keimyung University, Daegu, Republic of Korea
| | - Sangkil Lee
- College of Pharmacy, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul, Republic of Korea.
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Marsiglia-Fuentes R, Chiralt A, García-Zapateiro LA. Investigating the Water Relations in Aqueous Extract Powders of Mango ( Mangifera indica) Peel and Seed Waste for Their Use in Food Matrices as a Value-Added By-Product. Foods 2023; 12:3497. [PMID: 37761206 PMCID: PMC10529566 DOI: 10.3390/foods12183497] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 09/17/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023] Open
Abstract
This study investigated the potential uses of discarded mango peel and seed parts by analyzing their water sorption behavior, hydration kinetics, and stability when converted into extract powders at pH 3 and 10. The results revealed that peel extracts had a higher water adsorption capacity compared with seed extracts due to differences in their composition. Peel extracts were primarily composed of carbohydrates (approximately 75%) with a low protein content, while seed extracts contained fewer carbohydrates (less than 30%) but higher levels of proteins (more than 30%) and lipids. The critical water content for maintaining the glassy state of peel extract powders during storage was found to be 0.025 and 0.032 g of water/g for extracts obtained at pH 3 and 10, respectively. In contrast, the Tg values of seed extracts remained relatively unchanged across different water content levels, suggesting that proteins and lipids inhibited the water's plasticizing effect in the solid matrix. These findings indicate that both mango waste fractions exhibit distinct hygroscopic behaviors, necessitating different approaches to processing and utilization. These extracts hold potential applications for various food products such as beverages, gels, sauces, or emulsions, contributing to the reduction in waste and the creation of value-added products from mango residues.
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Affiliation(s)
- Ronald Marsiglia-Fuentes
- Research Group on Complex Fluid Engineering and Food Rheology (IFCRA), Faculty of Engineering, Department of Food Engineering, University of Cartagena, Consulate Avenue, St. 30 No. 48-152, Cartagena 130015, Colombia;
| | - Amparo Chiralt
- Food Technology Department, Food Engineering Institute for Development, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain;
| | - Luis A. García-Zapateiro
- Research Group on Complex Fluid Engineering and Food Rheology (IFCRA), Faculty of Engineering, Department of Food Engineering, University of Cartagena, Consulate Avenue, St. 30 No. 48-152, Cartagena 130015, Colombia;
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Abdelkader H, Abdel-Aleem JA, Mousa HS, Elgendy MO, Al Fatease A, Abou-Taleb HA. Captopril Polyvinyl Alcohol/Sodium Alginate/Gelatin-Based Oral Dispersible Films (ODFs) with Modified Release and Advanced Oral Bioavailability for the Treatment of Pediatric Hypertension. Pharmaceuticals (Basel) 2023; 16:1323. [PMID: 37765131 PMCID: PMC10535373 DOI: 10.3390/ph16091323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023] Open
Abstract
Hypertension can begin in childhood; elevated blood pressure in children is known as pediatric hypertension. Contrary to adult hypertension, there is a scarcity of commercial medications suitable for the treatment of pediatric hypertension. The aim of this study was to develop orally dispersible films (ODFs) loaded with captopril for the treatment of hypertension in children. Captopril-loaded ODFs were composed of different blends of synthetic polymers, such as polyvinyl alcohol (PVA) and polyvinyl pyrrolidone, and natural polymers, such as sodium alginate (SA) and gelatin. The ODFs were characterized based on their mechanical and thermal properties, drug content, surface morphology, in vitro disintegration, in vitro release, and bioavailability. A novel HPLC method with precolumn derivatization was developed to precisely and selectively determine captopril levels in plasma. A low concentration of PVA and a high concentration of SA generated ODFs with faster hydration and disintegration rates. SA-based films exhibited fast disintegration properties (1-2 min). The optimized modified-release film (F2) showed significant (p < 0.05) enhancement in bioavailability (AUC = 1000 ng min/mL), with a value 1.43 times that of Capoten® tablets (701 ng min/mL). While the plasma concentration peaking was in favor of the immediate-release tablet, Tmax was significantly prolonged by 5.4 times for the optimized ODF (3.59 h) compared with that of the tablets (0.66 h). These findings indicate uniform and sustained plasma concentrations, as opposed to the pulsatile and rapid plasma peaking of captopril from the immediate-release tablets. These findings suggest that the modified release of oral films could offer more favorable plasma profiles and better control of hypertension than the conventional release tablets.
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Affiliation(s)
- Hamdy Abdelkader
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha 62223, Saudi Arabia;
| | - Jelan A. Abdel-Aleem
- Department of Industrial Pharmacy, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt;
| | - Heba Salah Mousa
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, South Valley University, Qena 83523, Egypt;
| | - Marwa O. Elgendy
- Department of Clinical Pharmacy, Beni-Suef University Hospitals, Faculty of Medicine, Beni-Suef University, Beni Suef 62521, Egypt;
- Department of Clinical Pharmacy, Faculty of Pharmacy, Nahda University (NUB), Beni Suef 62521, Egypt
| | - Adel Al Fatease
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha 62223, Saudi Arabia;
| | - Heba A. Abou-Taleb
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Merit University, Sohag 82755, Egypt;
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Senarathna S, Navaratne S, Wickramasinghe I, Coorey R. Use of fenugreek seed gum in edible film formation: major drawbacks and applicable methods to overcome. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2023; 60:1860-1869. [PMID: 37206420 PMCID: PMC10188714 DOI: 10.1007/s13197-022-05465-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 10/24/2021] [Accepted: 04/04/2022] [Indexed: 05/21/2023]
Abstract
Researching on potential biopolymer sources with the aim of developing edible films with better mechanical and barrier properties has become innovative as it would be a key factor to minimize the use of synthetic polymers in food packaging. Therefore, different biopolymers such as galactomannan have been gaining attention recently. Fenugreek seed gum is a rich source of galactomannan which is minimally researched on its applicability in edible film making. The degree of galactose substitution and polymerization are the main factors that determine the functional properties of galactomannan. A strong and cohesive film matrix cannot be produced from fenugreek seed gum as its molecular interaction is weakened due to the high galactose substitution with a high galactose/mannose ratio, 1:1. Structural modifications of galactomannan in fenugreek seed gum will lead to films with the required mechanical properties. Hence, this review summarizes recent scientific studies on the limitations of fenugreek seed gum as a film forming agent and the specific modification techniques that can be applied in order to increase its film forming capability and performance.
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Affiliation(s)
- Sandunika Senarathna
- Department of Food Science and Technology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda Sri Lanka
| | - Senevirathne Navaratne
- Department of Food Science and Technology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda Sri Lanka
| | - Indira Wickramasinghe
- Department of Food Science and Technology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda Sri Lanka
| | - Ranil Coorey
- School of Molecular and Life Sciences, Faculty of Science and Engineering, Curtin University, Perth, WA Australia
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Natural Gum-Based Functional Bioactive Films and Coatings: A Review. Int J Mol Sci 2022; 24:ijms24010485. [PMID: 36613928 PMCID: PMC9820387 DOI: 10.3390/ijms24010485] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/19/2022] [Accepted: 12/23/2022] [Indexed: 12/29/2022] Open
Abstract
Edible films and coatings are a current and future food packaging trend. In the food and envi-ronmental sectors, there is a growing need to understand the role of edible packaging and sus-tainability. Gums are polysaccharides of natural origin that are frequently utilized as thickeners, clarifying agents, gelling agents, emulsifiers, and stabilizers in the food sector. Gums come in a variety of forms, including seed gums, mucilage gums, exudate gums, and so on. As a biodegradable and sustainable alternative to petrochemical-based film and coatings, gums could be a promising option. Natural plant gum-based edible packaging helps to ensure extension of shelf-life of fresh and processed foods while also reducing microbiological alteration and/or oxidation processes. In this review, the possible applications of gum-based polymers and their functional properties in development of edible films and coatings, were comprehensively dis-cussed. In the future, technology for developing natural gum-based edible films and coatings might be applied commercially to improve shelf life and preserve the quality of foods.
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Physicochemical and antimicrobial properties of biodegradable films based on gelatin/guar gum incorporated with grape seed oil. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01726-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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7
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Characterization, microstructure, and spectroscopic study of optimized sodium caseinate–sorbitol active biofilms with citral microencapsulate. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04345-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Gelatin/Chitosan Films Incorporated with Curcumin Based on Photodynamic Inactivation Technology for Antibacterial Food Packaging. Polymers (Basel) 2022; 14:polym14081600. [PMID: 35458350 PMCID: PMC9032248 DOI: 10.3390/polym14081600] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 04/09/2022] [Accepted: 04/11/2022] [Indexed: 12/22/2022] Open
Abstract
Photodynamic inactivation (PDI) is a new type of non-thermal sterilization technology that combines visible light with photosensitizers to generate a bioactive effect against foodborne pathogenic bacteria. In the present investigation, gelatin (GEL)/chitosan (CS)-based functional films with PDI potency were prepared by incorporating curcumin (Cur) as a photosensitizer. The properties of GEL/CS/Cur (0.025, 0.05, 0.1, 0.2 mmol/L) films were investigated by evaluating the surface morphology, chemical structure, light transmittance, and mechanical properties, as well as the photochemical and thermal stability. The results showed a strong interaction and good compatibility between the molecules present in the GEL/CS/Cur films. The addition of Cur improved different film characteristics, including thickness, mechanical properties, and solubility. More importantly, when Cur was present at a concentration of 0.1 mM, the curcumin-mediated PDI inactivated >4.5 Log CFU/mL (>99.99%) of Listeria monocytogenes, Escherichia coli, and Shewanella putrefaciens after 70 min (15.96 J/cm2) of irradiation with blue LED (455 ± 5) nm. Moreover, Listeria monocytogenes and Shewanella putrefaciens were completely inactivated after 70 min of light exposure when the Cur concentration was 0.2 mM. In contrast, the highest inactivation effect was observed in Vibrio parahaemolyticus. This study showed that the inclusion of Cur in the biopolymer-based film transport system in combination with photodynamic activation represents a promising option for the preparation of food packaging films.
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Zheng L, Liu L, Yu J, Shao P. Novel trends and applications of natural pH-responsive indicator film in food packaging for improved quality monitoring. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108769] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Panwar A, Sk MM, Lee BH, Tan LP. Synthesis and fabrication of gelatin-based elastomeric hydrogels through cosolvent-induced polymer restructuring. RSC Adv 2022; 12:7922-7934. [PMID: 35424739 PMCID: PMC8982264 DOI: 10.1039/d1ra09084d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 02/22/2022] [Indexed: 12/30/2022] Open
Abstract
Hydrogels have a wide range of applications in tissue engineering, drug delivery, device fabrication for biological studies and stretchable electronics. For biomedical applications, natural polymeric hydrogels have general advantages such as biodegradability and non-toxic by products as well as biocompatibility. However, applications of nature derived hydrogels have been severely limited by their poor mechanical properties. For example, most of the protein derived hydrogels do not exhibit high stretchability like methacrylated gelatin hydrogel has ∼11% failure strain when stretched. Moreover, protein derived elastomeric hydrogels that are fabricated from low molecular weight synthetic peptides require a laborious process of synthesis and purification. Biopolymers like gelatin, produced in bulk for pharma and the food industry can provide an alternative for the development of elastomeric hydrogels. Here, we report the synthesis of ureidopyrimidinone (Upy) functionalized gelatin and its fabrication into soft elastomeric hydrogels through supramolecular interactions that could exhibit high failure strain (318.73 ± 44.35%). The hydrogels were fabricated through a novel method involving co-solvent optimization and structural transformation with 70% water content. It is anticipated that the hydrogel fabrication method involves the formation of hydrophobic cores of ureidopyrimidinone groups inside the hydrogel which introduced elastomeric properties to the resulting hydrogel. Hydrogels have a wide range of applications in tissue engineering, drug delivery, device fabrication for biological studies and stretchable electronics.![]()
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Affiliation(s)
- Amit Panwar
- School of Materials Science & Engineering, Nanyang Technological University Singapore .,Singapore Centre for 3D Printing (SC3DP) Singapore
| | - Md Moniruzzaman Sk
- School of Materials Science & Engineering, Nanyang Technological University Singapore
| | - Bae Hoon Lee
- Wenzhou Institute, University of Chinese Academy of Sciences China
| | - Lay Poh Tan
- School of Materials Science & Engineering, Nanyang Technological University Singapore .,Singapore Centre for 3D Printing (SC3DP) Singapore
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A pH-intelligent response fish packaging film: Konjac glucomannan/carboxymethyl cellulose/blackcurrant anthocyanin antibacterial composite film. Int J Biol Macromol 2022; 204:386-396. [PMID: 35150778 DOI: 10.1016/j.ijbiomac.2022.02.027] [Citation(s) in RCA: 60] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 01/31/2022] [Accepted: 02/07/2022] [Indexed: 02/07/2023]
Abstract
Blackcurrant anthocyanins (BCA) can be used to improve the structure and properties of konjac glucomannan (KGM)/carboxymethyl cellulose (CMC) composite film. In this study, the microstructure of the KGM/CMC/BCA composite film was evaluated. The results show that BCA is uniformly dispersed in the KC matrix, which changes the mechanical properties of the film (tensile strength (TS): 55.00 → 38.44 MPa and elongation at break (EB): 8.60 → 3.67%) and barrier properties (water vapor permeability (WVP): 0.67 → 2.53 g·mm/m2 day kPa). With the addition of BCA (0.05, 0.15, 0.20 wt%), the composite film exhibits higher thermal stability. Among them, 0.15 wt% has the best thermal stability. The composite film also shows the antioxidant and antibacterial properties of BCA, and has an inhibitory effect on food-borne pathogens. The composite film will show different colors in different buffers, which can be observed with the naked eye. Therefore, KGM/CMC/BCA film can be applied to smart food packaging to realize real-time monitoring of meat product quality.
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Skopinska-Wisniewska J, Tuszynska M, Olewnik-Kruszkowska E. Comparative Study of Gelatin Hydrogels Modified by Various Cross-Linking Agents. MATERIALS 2021; 14:ma14020396. [PMID: 33466924 PMCID: PMC7830246 DOI: 10.3390/ma14020396] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/10/2021] [Accepted: 01/11/2021] [Indexed: 01/08/2023]
Abstract
Gelatin is a natural biopolymer derived from collagen. Due to its many advantages, such as swelling capacity, biodegradability, biocompatibility, and commercial availability, gelatin is widely used in the field of pharmacy, medicine, and the food industry. Gelatin solutions easily form hydrogels during cooling, however, the materials are mechanically poor. To improve their properties, they are often chemically crosslinked. The cross-linking agents are divided into two groups: Zero-length and non-zero-length cross-linkers. In this study, gelatin was cross-linked by three different cross-linking agents: EDC-NHS, as a typically used cross-linker, and also squaric acid (SQ) and dialdehyde starch (DAS), as representatives of a second group of cross-linkers. For all prepared gelatin hydrogels, mechanical strength tests, thermal analysis, infrared spectroscopy, swelling ability, and SEM images were performed. The results indicate that the dialdehyde starch is a better cross-linking agent for gelatin than EDC-NHS. Meanwhile, the use of squaric acid does not give beneficial changes to the properties of the hydrogel.
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Affiliation(s)
- Joanna Skopinska-Wisniewska
- Chair of Biomaterials and Cosmetics Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7 Street, 87-100 Torun, Poland;
- Correspondence:
| | - Marta Tuszynska
- Chair of Biomaterials and Cosmetics Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7 Street, 87-100 Torun, Poland;
| | - Ewa Olewnik-Kruszkowska
- Chair of Physical Chemistry and Physicochemistry of Polymers, Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7 Street, 87-100 Torun, Poland;
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Nejrotti S, Mannu A, Blangetti M, Baldino S, Fin A, Prandi C. Optimization of Nazarov Cyclization of 2,4-Dimethyl-1,5-diphenylpenta-1,4-dien-3-one in Deep Eutectic Solvents by a Design of Experiments Approach. Molecules 2020; 25:molecules25235726. [PMID: 33291596 PMCID: PMC7730498 DOI: 10.3390/molecules25235726] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 12/01/2020] [Accepted: 12/03/2020] [Indexed: 12/19/2022] Open
Abstract
The unprecedented Nazarov cyclization of a model divinyl ketone using phosphonium-based Deep Eutectic Solvents as sustainable non-innocent reaction media is described. A two-level full factorial Design of Experiments was conducted for elucidating the effect of the components of the eutectic mixture and optimizing the reaction conditions in terms of temperature, time, and substrate concentration. In the presence of the Deep Eutectic Solvent (DES) triphenylmethylphosphonium bromide/ethylene glycol, it was possible to convert more than 80% of the 2,4-dimethyl-1,5-diphenylpenta-1,4-dien-3-one, with a specific conversion, into the cyclopentenone Nazarov derivative of 62% (16 h, 60 °C). For the reactions conducted in the DES triphenylmethylphosphonium bromide/acetic acid, quantitative conversions were obtained with percentages of the Nazarov product above 95% even at 25 °C. Surface Responding Analysis of the optimized data furnished a useful tool to determine the best operating conditions leading to quantitative conversion of the starting material, with complete suppression of undesired side-reactions, high yields and selectivity. After optimization, it was possible to convert more than 90% of the model substrate into the desired cyclopentenone with cis percentages up to 77%. Experimental validation of the implemented model confirmed the robustness and the suitability of the procedure, leading to possible further extension to this specific combination of experimental designs to other substrates or even to other synthetic processes of industrial interest.
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Affiliation(s)
- Stefano Nejrotti
- Department of Chemistry, University of Turin, Via Pietro Giuria, 7-I-10125 Torino, Italy; (S.N.); (S.B.); (C.P.)
| | - Alberto Mannu
- Department of Chemistry, University of Turin, Via Pietro Giuria, 7-I-10125 Torino, Italy; (S.N.); (S.B.); (C.P.)
- Correspondence: (A.M.); (M.B.); Tel.: +39-011-6708033 (M.B.)
| | - Marco Blangetti
- Department of Chemistry, University of Turin, Via Pietro Giuria, 7-I-10125 Torino, Italy; (S.N.); (S.B.); (C.P.)
- Correspondence: (A.M.); (M.B.); Tel.: +39-011-6708033 (M.B.)
| | - Salvatore Baldino
- Department of Chemistry, University of Turin, Via Pietro Giuria, 7-I-10125 Torino, Italy; (S.N.); (S.B.); (C.P.)
| | - Andrea Fin
- Department of Drug Science and Technology, University of Turin, Via Pietro Giuria, 9-I-10125 Torino, Italy;
| | - Cristina Prandi
- Department of Chemistry, University of Turin, Via Pietro Giuria, 7-I-10125 Torino, Italy; (S.N.); (S.B.); (C.P.)
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