Chitosan-encapsulated manganese ferrite particles bearing sulfonic acid group catalyzed efficient synthesis of spiro indenoquinoxalines

Lahouti Sepideh; Naeimi Hossein

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Chitosan-encapsulated manganese ferrite particles bearing sulfonic acid group catalyzed efficient synthesis of spiro indenoquinoxalines

机译：壳聚糖包封的锰铁氧体颗粒载磺酸基催化合成螺茚 - 喹啉喹啉

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A simple, highly versatile and efficient synthesis of 5-phenyl-spiro[diindenopyridine-indenoquinoxaline]-diones is achieved through a four-component one pot reaction of ninhydrin, 1,2-diaminobenzene, 1,3-indandione and aniline. This reaction was catalyzed by MnFe2O4@CS-Bu-SO3H MNPs as a very efficient, recyclable heterogeneous catalyst in acetonitrile under reflux conditions. The catalyst can be recovered from the subsequent reaction mixture and reused for at least five cycles without any appreciable loss in its efficiency. The core-shell structure and composition of the produced magnetic nanocatalyst were analyzed using FT-IR, XRD, VSM, SEM, EDX and TGA techniques.

机译：通过四组分的茚三酮，1,2-二氨基苯甲苯，1,3-吲哚和苯胺反应实现了5-苯基 - 螺炔氧喹啉氧喹啉的简单，高通用和高效合成的5-苯基 - 螺炔氧喹喔啉。将该反应通过MnFe 2 O 4 -CS-Bu-So3H MNP催化，作为回流条件下的乙腈中的非常有效，可回收的非均相催化剂。催化剂可以从随后的反应混合物中回收，并重复使用至少五个循环，而不具有任何明显的损失。使用FT-IR，XRD，VSM，SEM，EDX和TGA技术分析生产的磁性纳米催化剂的核壳结构和组成。

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《RSC Advances》 |2020年第55期|共10页
作者
Lahouti Sepideh; Naeimi Hossein;
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Univ Kashan Dept Organ Chem Fac Chem Kashan Iran;

Univ Kashan Dept Organ Chem Fac Chem Kashan Iran;

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正文语种 eng
中图分类化学;
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1. Chitosan-encapsulated manganese ferrite particles bearing sulfonic acid group catalyzed efficient synthesis of spiro indenoquinoxalines [J] . Lahouti Sepideh, Naeimi Hossein RSC Advances . 2020,第55期

机译：壳聚糖包封的锰铁氧体颗粒载磺酸基催化合成螺茚 - 喹啉喹啉
2. (+/-)-Camphor-10-sulfonic acid catalyzed atom efficient and green synthesis of triazolo[1,2-a]indazole-triones and spiro triazolo[1,2-a]indazole-tetraones [J] . Chandam Dattatray R., Mulik Abhijeet G., Patil Prasad P., Research on Chemical Intermediates . 2015,第2期

机译：（+/-）-樟脑-10-磺酸催化高效和绿色合成三唑并[1,2-a]吲唑-三酮和螺三唑并[1,2-a]吲唑-四酮
3. Efficient synthesis of novel spiro-furo-pyrido-pyrimidine-indolines by manganese ferrite nanoparticles as a highly active magnetically reusable nanocatalyst in water [J] . Hossein Naeimi, Zahra Rashid, Amir Hassan Zarnani New Journal of Chemistry . 2014,第1期

机译：锰铁氧体纳米颗粒作为水中活性高的磁性可重用纳米催化剂，可高效合成新型螺-呋喃-吡啶-嘧啶-二氢吲哚
4. SULFONIC ACID-FUNCTIONALIZED MAGNETIC NANOPARTICLES AS EFFICIENT AND REUSABLE CATALYSTS FOR ESTERIFICATION OF FREE FATTY ACID IN GREASE IN TWO-STEP BIODIESEL PRODUCTION [C] . Zillillah, Guowei Tan, Zhi Li ACS National Meeting and Exhibition . 2013

机译：磺酸 - 官能化磁性纳米颗粒是两步生物柴油生产中游离脂肪酸的高效可重复使用的催化剂
5. I. SPIRO ASYMMETRIC INDUCTION: SYNTHESIS OF OPTICALLY PURE ALPHA-HYDROXY- AND ALPHA,BETA-DIHYDROXY ACID DERIVATIVES. II. OXIDATIVE ELECTROLYSIS OF GAMMA-KETAL CYCLOHEXANECARBOXYLIC ACIDS: TOTAL SYNTHESIS OF MALYNGOLIDE [D] . CHENG, MINN-CHANG 1987

机译：I.螺线不对称诱导：光学纯的α-羟基和α，β-二羟基乙酸衍生物的合成。二。 γ-羟基环己烷羧酸的氧化电解：丙二醛的合成
6. A highly efficient nano-Fe3O4 encapsulated-silica particles bearing sulfonic acid groups as a solid acid catalyst for synthesis of 18-dioxo-octahydroxanthene derivatives [O] . Hossein Naeimi, Zahra Sadat Nazifi -1

机译：带有磺酸基团的高效纳米Fe3O4包覆二氧化硅颗粒可作为固体酸催化剂用于合成18-二氧-八氢氧杂蒽衍生物
7. A highly efficient nano-FeO encapsulated-silica particles bearing sulfonic acid groups as a solid acid catalyst for synthesis of 1,8-dioxo-octahydroxanthene derivatives [O] . 2013

机译：带有磺酸基团的高效纳米FeO包覆二氧化硅颗粒，可作为固体酸催化剂用于合成1,8-二氧-八氢氧杂蒽衍生物
8. Synthesis of Fluorinated Phosphic, Sulfonic, and Mixed Phosphonic/Sulfonic Acids [R] . Su, D., Cen, W., Kirchmeier, R. L., 1991

机译：氟化磷酸，磺酸和混合膦酸/磺酸的合成

Chitosan-encapsulated manganese ferrite particles bearing sulfonic acid group catalyzed efficient synthesis of spiro indenoquinoxalines

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