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فتوکاتالیستهای ناهمگن در واکنشهای آلی | ||
دوفصلنامه شیمی آلی | ||
دوره 1، شماره 1، اردیبهشت 1401، صفحه 163-188 اصل مقاله (1.62 M) | ||
نوع مقاله: مقاله پژوهشی | ||
نویسندگان | ||
علیرضا رحمانی1؛ افسانه زنوزی* 2 | ||
1دانشجوی دکتری گروه شیمی، پردیس علوم، دانشگاه تهران. | ||
2دانشیار گروه شیمی، پردیس علوم، دانشگاه تهران. | ||
چکیده | ||
در این مقاله مروری، پس از معرفی اجمالی انواع مختلف مواد و سیستمهای مورد استفاده به عنوان فتوکاتالیست، مبانی و پیشرفتها در زمینه واکنشهای آلی انتخابی با استفاده از فتوکاتالیستهای ناهمگن مورد بررسی قرار میگیرد. چندین واکنش فتوکاتالیستی شامل اکسایش، کاهش و کوپلینگ با بازده و انتخابگری بالا و بدون استفاده از مواد شیمیایی خطرناک و مضر و حداقل محصولات جانبی ناخواسته قابل پیشبرد هستند. برخی فرایندهای پیچیده چندمرحلهای برای تولید ترکیبات ارزشمند را میتوان با استفاده از فتوکاتالیستها به صورت تکظرفی و ساده انجام داد. واکنشهای فتوکاتالیستی (خصوصاً از نوع ناهمگن به علت سهولت جداسازی از مخلوط واکنش) توانایی بالقوه فوقالعادهای برای تولید مواد آلی پیچیده و با ارزش افزوده بالا به صورت مقرونبهصرفه و دوستدار محیط زیست را دارند. توانایی چند نوع پرکاربرد از فتوکاتالیستهای ناهمگن در سنتزهای آلی به صورت خلاصه تبیین خواهد شد. | ||
کلیدواژهها | ||
فتوکاتالیست؛ فتوکاتالیست ناهمگن؛ واکنشهای آلی؛ اکسایش؛ کاهش؛ کوپلینگ | ||
عنوان مقاله [English] | ||
Heterogeneous Photocatalysts in Organic Reactions | ||
نویسندگان [English] | ||
Alireza Rahmani1؛ Afsaneh Zonouzi2 | ||
1PhD Student of of Department of Chemistry, College of Science, University of Tehran, Tehran, Iran. | ||
2Associate Professor of Department of Chemistry, College of Science, University of Tehran, Tehran, Iran. | ||
چکیده [English] | ||
In this review article, after a concise introduction of the various materials and systems used as heterogeneous photocatalyst, the fundamentals and recent progresses in the field of organic reactions with heterogeneous photocatalysts will be discussed. In this manner various kinds of organic reactions (oxidation, reduction and coupling) can be performed selectively with high yields. In addition, the application of photocatalysts minimizes the amount of undesired by-products and reducing the usage of harmful chemicals, organic solvents, oxidizing and reducing reagents. Some multi-step synthetic processes can be performed in one-pot procedure using such photocatalysts. Photocatalytic reactions (especially the ones using heterogeneous photocatalysts due to the ease of catalyst recovery from the reaction mixture) have proved their enormous potential for the production of high value-added complex organic products in an efficient and environmentally benign manner. These applications along with the basics of the application of heterogeneous photocatalysts in organic reactions will be presented. | ||
کلیدواژهها [English] | ||
Heterogeneous photocatalyst, Organic reactions, Oxidation, Reduction, Coupling | ||
مراجع | ||
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