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Uncatalysed Production of Coumarin-3-carboxylic Acids: A Green Approach
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نویسنده
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martínez j. ,sánchez l. ,pérez f.j. ,carranza v. ,delgado f. ,reyes l. ,miranda r.
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منبع
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journal of chemistry - 2016 - دوره : 2016 - شماره : 0
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چکیده
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A green contribution in short reaction times with moderate yields to produce coumarin-3-carboxylic acids is offered. five different modes to activate the reactions (microwave,near-infrared,mechanical milling,and ultrasound) were compared with mantle heating in the presence or absence of ethanol,a green solvent. near-infrared and microwave irradiations deliver the best yields in contrast to ultrasound and mechanical milling; moreover,these four processes offered shorter reaction times in comparison with the conventional mantle heating method. it is also important to highlight that the obtained molecules were produced without the requirement of a catalyst and two nonconventional energies forms are presented as new processes. © 2016 joel martínez et al.
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آدرس
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departamento de ciencias químicas,facultad de estudios superiores cuautitlán,universidad nacional autónoma de méxico,cuautitlán izcalli,mex,mexico,facultad de ciencias químicas,posgrado en ciencias en ingeniería química,universidad autónoma de san luis potosí,san luis potosí,slp, Mexico, departamento de ciencias químicas,facultad de estudios superiores cuautitlán,universidad nacional autónoma de méxico,cuautitlán izcalli,mex, Mexico, instituto de química,universidad nacional autónoma de méxico,ciudad universitaria,ciudad de méxico, Mexico, laboratorio de espectrometría de masas,centro de química icuap,benemérita universidad autónoma de puebla,puebla,pue, Mexico, escuela nacional de ciencias biológicas,instituto politécnico nacional,casco de santo tomas,ciudad de méxico, Mexico, escuela nacional de ciencias biológicas,instituto politécnico nacional,casco de santo tomas,ciudad de méxico, Mexico, departamento de ciencias químicas,facultad de estudios superiores cuautitlán,universidad nacional autónoma de méxico,cuautitlán izcalli,mex, Mexico
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Authors
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