Reference health
Esterification of levulinic acid into ethyl levulinate catalysed by sulfonated hydrothermal carbons
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19/19 checkable references clean · checked 2026-07-22
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
6 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 19 checked references that resolve
resolves10.1016/j.biombioe.2011.04.020
Ethyl levulinate: A potential bio-based diluent for biodiesel which improves cold flow properties
resolves10.1021/ef200239x
Advanced Distillation Curve Analysis on Ethyl Levulinate as a Diesel Fuel Oxygenate and a Hybrid Biodiesel Fuel
resolves10.1021/ie00025a004
Kinetics of esterification of levulinic acid with n-butanol by homogeneous catalysis
resolves10.1016/S1003-9953(10)60147-8
Esterification of levulinic acid to n-butyl levulinate over heteropolyacid supported on acid-treated clay
resolves10.1016/j.catcom.2013.01.010
One-step synthesis of mesoporous H4SiW12O40-SiO2 catalysts for the production of methyl and ethyl levulinate biodiesel
resolves10.1016/j.catcom.2011.12.004
Catalytic upgrading of levulinic acid to ethyl levulinate using reusable silica-included Wells-Dawson heteropolyacid as catalyst
resolves10.1002/cssc.201000308
Synthesis of Carbon‐based Solid Acid Microspheres and Their Application to the Production of Biodiesel
resolves10.1016/j.catcom.2010.01.010
Novel sulfonated carbonaceous materials from p-toluenesulfonic acid/glucose as a high-performance solid-acid catalyst
resolves10.1039/c2ee21166a
Black perspectives for a green future: hydrothermal carbons for environment protection and energy storage
resolves10.1039/b805671b
Hydrothermal carbon spheres containing silicon nanoparticles: synthesis and lithium storage performance
resolves10.1021/jp901582x
Structural Characterization of Hydrothermal Carbon Spheres by Advanced Solid-State MAS <sup>13</sup>C NMR Investigations
resolves10.1039/c1gc15742f
Morphological and structural differences between glucose, cellulose and lignocellulosic biomass derived hydrothermal carbons
resolves10.1016/j.apcata.2012.03.020
Levulinic acid esterification with ethanol to ethyl levulinate production over solid acid catalysts
resolves10.1002/jctb.4228
<scp>Esterification</scp> of renewable levulinic acid to ethyl levulinate biodiesel catalyzed by highly active and reusable desilicated H‐<scp>ZSM</scp>‐5
resolves10.1021/la3024277
Carbohydrate-Derived Hydrothermal Carbons: A Thorough Characterization Study
The 6 references without a DOI — listed, not checked
no DOI — not checked10.1016/S1872-2067(14)60125-X_bib2
no DOI — not checked10.1016/S1872-2067(14)60125-X_bib3
no DOI — not checked10.1016/S1872-2067(14)60125-X_bib6
no DOI — not checkedWood J
no DOI — not checked10.1016/S1872-2067(14)60125-X_bib21
no DOI — not checked10.1016/S1872-2067(14)60125-X_bib22
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or importance of the work itself, and nothing about references deposited without a DOI.
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