Solventless synthesis of 2,4,1 Oa-triaryl-1,10a-dihydro-2H-pyrazino[2,1-b][ 1,3] benzoxazole

G Ravindran; S Muthusubramanian; S Selvaraj

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Solventless synthesis of 2,4,1 Oa-triaryl-1,10a-dihydro-2H-pyrazino[2,1-b][ 1,3] benzoxazole

机译：2,4,1 Oa-三芳基-1,10a-二氢-2H-吡嗪并[2,1-b] [1,3]苯并恶唑的无溶剂合成

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A solventless synthesis of 2,4,10a-triaryl-1,1 Oa-dihydro-2H-pyrazino[2,l-b][l,3] benzoxazole has been achieved in good yield by the reaction of 2-[(2-oxo-2-arylethyl) anilino]-l-aryl-l-ethanones with 2-aminophenol in p-toluenesulfonic acid.The products have been characterized by 'H and 13C NMR spectroscopy.

机译：通过2-[（2-oxo）的反应以良好的收率实现了2,4,10a-三芳基-1,1 Oa-二氢-2H-吡嗪并[2，lb] [l，3]苯并恶唑的无溶剂合成在对甲苯磺酸中带有2-氨基苯酚的-2-芳基乙基苯胺] -1-芳基-1-乙酮。产品经1 H和13C NMR光谱表征。

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《Indian Journal of Chemistry, Section B. Organic Including Medicinal》 |2007年第6期|共4页
作者
G Ravindran; S Muthusubramanian; S Selvaraj;
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正文语种 eng
中图分类化学;
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Pyrazine; p-toluenesulfonic acid; benzoxazole; 1H NMR; 13C NMR; microwave irradiation;

机译：吡嗪;对甲苯磺酸;苯并恶唑;1H NMR;13C NMR;微波辐射;

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1. Solventless synthesis of 2,4,1 Oa-triaryl-1,10a-dihydro-2H-pyrazino[2,1-b][ 1,3] benzoxazole [J] . G Ravindran, S Muthusubramanian, S Selvaraj Indian Journal of Chemistry, Section B. Organic Including Medicinal . 2007,第6期

机译：2,4,1 Oa-三芳基-1,10a-二氢-2H-吡嗪并[2,1-b] [1,3]苯并恶唑的无溶剂合成
2. Microwave-assisted synthesis of s-triazino[2,1-b][1,3]benzoxazoles, s-triazino[2,1-b][1,3]benzothiazoles, and s-triazino[1,2-a]benzimidazoles [J] . Dolzhenko AV, Chui WK, Dolzhenko AV Synthesis: International Journal of Methods in Synthetic Organic Chemistry . 2006,第4期

机译：微波辅助合成s-三嗪[2,1-b] [1,3]苯并恶唑，s-三嗪[2,1-b] [1,3]苯并噻唑和s-三嗪[1,2-a]苯并咪唑
3. A simple and efficient one-step synthesis of 2,4,10a-triaryl-1,10a-dihydro-2H-pyrazino[2,1-b][1,3] benzothiazoles catalyzed by p-toluene sulfonic acid [J] . Ravindran G, Muthusubramanian S, Selvaraj S, Phosphorus, Sulfur, and Silicon and the Related Elements . 2007,第3期

机译：对甲苯磺酸催化简单，高效地一步合成2,4,10a-三芳基-1,10a-二氢-2H-吡嗪并[2,1-b] [1,3]苯并噻唑
4. TD-DFT Study of excited-state intramolecular proton transfer (ESIPT) of 2-(1,3-benzothiazol-2-yl)-5-(N,N-diethylamino)phenol with benzoxazole and benzimidazole analogues [C] . Vikas Padalkar, Ponnadurai Ramasami, Nagaiyan Sekar International Conference on Computational Science . 2013

机译：用苯并唑和苯并咪唑类似物的2-（1,3-苯并噻唑-2-基）-5-（N，N，N-二乙基氨基）苯酚的激发 - 状态分子内质子转移（ESIPT）的研究
5. Discovery and development of 3,3,3-trichloropropyl-1-triphenylphosphonium chloride: A reagent for synthesis of Z-1,3-enynes, Z,Z-1-chloro-1,3-dienes and 1,3-diynes [D] . Karatholuvhu, Maheswaran S. 2006

机译：3,3,3-三氯丙基-1-三苯基氯化chloride的发现与开发：用于合成Z-1,3-烯，Z，Z-1-氯-1,3-二烯和1,3-二炔的试剂
6. 2-[6-(4-Bromophenyl)imidazo[2,1-b][1,3]thiazol-3-yl]-N-[8-(4-hydroxyphenyl)-2-methyl-3-oxo-1-thia-4-azaspiro[4.5]decan-4-yl]acetamide ethanol disolvate [O] . Mehmet Akkurt, Elif Gürsoy, Nuray Ulusoy Güzeldemirci, 2015

机译：2- [6-（4-溴苯基）咪唑并[2,1-b] [1,3]噻唑-3-基] -N- [8-（4-羟基苯基）-2-甲基-3-氧代-1 -thia-4-azaspiro [4.5] decan-4-yl]乙酰胺乙醇二油酸酯
7. A magnetically-separable H3PW12O40@Fe3O4/EN-MIL-101 catalyst for the one-pot solventless synthesis of 2H-indazolo[2,1-b] phthalazine-triones [O] . Hashemzadeh, Alireza, Amini, Mostafa M., Tayebee, Reza, 2017

机译：一种可磁分离的H3PW12O40 @ Fe3O4 / EN-MIL-101催化剂，用于一锅法无溶剂合成2H-吲唑并[2,1-b]酞嗪三酮
8. Results of a Log Pow Measurement of 2,5-Thiophenediylbis(5tertbutyl-1,3-benzoxazole). [R] . 2014

机译：测量2,5-噻吩二基双（5-叔丁基-1,3-苯并恶唑）的Log pow结果。

Solventless synthesis of 2,4,1 Oa-triaryl-1,10a-dihydro-2H-pyrazino[2,1-b][ 1,3] benzoxazole

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