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UiO-67(Hf) metal–organic framework as an efficient catalyst for the transfer hydrogenation of ethyl levulinate to γ-valerolactone.

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Title: UiO-67(Hf) metal–organic framework as an efficient catalyst for the transfer hydrogenation of ethyl levulinate to γ-valerolactone.
Authors: Ciptonugroho, Wirawan1 (AUTHOR) wirawan_ciptonugroho@staff.uns.ac.id, Anggraini, Dika Febrianti2 (AUTHOR) dikafebrianti7@student.uns.ac.id, Saputra, Vito Bintang2 (AUTHOR) vito.bintangs20@student.uns.ac.id, Azhari, Fauziyah2 (AUTHOR) fauziyah617@student.uns.ac.id, Arrozi, Ubed S. F.3 (AUTHOR) ubedsonai.fmipa@um.ac.id, Budiman, Yudha P.4 (AUTHOR) y.p.budiman@unpad.ac.id, Lee, Hwei Voon5 (AUTHOR) leehweivoon@um.edu.my, Lestari, Witri Wahyu2 (AUTHOR) witri@mipa.uns.ac.id
Source: Research on Chemical Intermediates. Jun2026, Vol. 52 Issue 6, p4007-4026. 20p.
Subjects: Transfer hydrogenation, Catalysts, Ethyl esters, Biomass chemicals, Lactones, Metal-organic frameworks, Chemical stability
Abstract: Transfer hydrogenation is an alternative route to reduce oxygenated molecules suitable for upgrading biogenic platform chemicals, such as ethyl levulinate (EL) to valuable γ-valerolactone (GVL). In this report, UiO-67(Hf) catalyst is synthesized by solvothermal method to initiate transfer hydrogenation of EL. X-ray diffraction (XRD), transmission electron microscopy (TEM), and selected area X-ray diffraction (SAED) strongly confirm the amorphous nature of the framework. Infrared (IR) spectroscopy evidences the development of deprotonated COO− species suggesting coordinative bonding between [Hf6O4(OH)4]12⁺ oxo-cluster and benzene 1,4- dicarboxylate (BDC2−) as organic linkers. Thermal gravimetry analysis exhibits that the resulting material may retain its framework structure up to 500 °C. Isothermal N2 sorption discloses the mixture of micro- and meso-structures. UiO-67(Hf) is highly active to facilitate transfer hydrogenation of EL. Under optimized conditions, UiO-67(Hf) can convert > 99% EL alongside 96% GVL yield. Despite slightly reduced conversion and yield after the first cycle, catalytic performances of UiO-67(Hf) for the 2nd and 3rd cycles are comparable implying its stability over multiple reaction cycles. [ABSTRACT FROM AUTHOR]
Copyright of Research on Chemical Intermediates is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: UiO-67(Hf) metal–organic framework as an efficient catalyst for the transfer hydrogenation of ethyl levulinate to γ-valerolactone.
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  Data: <searchLink fieldCode="AR" term="%22Ciptonugroho%2C+Wirawan%22">Ciptonugroho, Wirawan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wirawan_ciptonugroho@staff.uns.ac.id</i><br /><searchLink fieldCode="AR" term="%22Anggraini%2C+Dika+Febrianti%22">Anggraini, Dika Febrianti</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> dikafebrianti7@student.uns.ac.id</i><br /><searchLink fieldCode="AR" term="%22Saputra%2C+Vito+Bintang%22">Saputra, Vito Bintang</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> vito.bintangs20@student.uns.ac.id</i><br /><searchLink fieldCode="AR" term="%22Azhari%2C+Fauziyah%22">Azhari, Fauziyah</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> fauziyah617@student.uns.ac.id</i><br /><searchLink fieldCode="AR" term="%22Arrozi%2C+Ubed+S%2E+F%2E%22">Arrozi, Ubed S. F.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> ubedsonai.fmipa@um.ac.id</i><br /><searchLink fieldCode="AR" term="%22Budiman%2C+Yudha+P%2E%22">Budiman, Yudha P.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<i> y.p.budiman@unpad.ac.id</i><br /><searchLink fieldCode="AR" term="%22Lee%2C+Hwei+Voon%22">Lee, Hwei Voon</searchLink><relatesTo>5</relatesTo> (AUTHOR)<i> leehweivoon@um.edu.my</i><br /><searchLink fieldCode="AR" term="%22Lestari%2C+Witri+Wahyu%22">Lestari, Witri Wahyu</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> witri@mipa.uns.ac.id</i>
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  Data: <searchLink fieldCode="DE" term="%22Transfer+hydrogenation%22">Transfer hydrogenation</searchLink><br /><searchLink fieldCode="DE" term="%22Catalysts%22">Catalysts</searchLink><br /><searchLink fieldCode="DE" term="%22Ethyl+esters%22">Ethyl esters</searchLink><br /><searchLink fieldCode="DE" term="%22Biomass+chemicals%22">Biomass chemicals</searchLink><br /><searchLink fieldCode="DE" term="%22Lactones%22">Lactones</searchLink><br /><searchLink fieldCode="DE" term="%22Metal-organic+frameworks%22">Metal-organic frameworks</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+stability%22">Chemical stability</searchLink>
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  Data: Transfer hydrogenation is an alternative route to reduce oxygenated molecules suitable for upgrading biogenic platform chemicals, such as ethyl levulinate (EL) to valuable γ-valerolactone (GVL). In this report, UiO-67(Hf) catalyst is synthesized by solvothermal method to initiate transfer hydrogenation of EL. X-ray diffraction (XRD), transmission electron microscopy (TEM), and selected area X-ray diffraction (SAED) strongly confirm the amorphous nature of the framework. Infrared (IR) spectroscopy evidences the development of deprotonated COO− species suggesting coordinative bonding between [Hf6O4(OH)4]12⁺ oxo-cluster and benzene 1,4- dicarboxylate (BDC2−) as organic linkers. Thermal gravimetry analysis exhibits that the resulting material may retain its framework structure up to 500 °C. Isothermal N2 sorption discloses the mixture of micro- and meso-structures. UiO-67(Hf) is highly active to facilitate transfer hydrogenation of EL. Under optimized conditions, UiO-67(Hf) can convert > 99% EL alongside 96% GVL yield. Despite slightly reduced conversion and yield after the first cycle, catalytic performances of UiO-67(Hf) for the 2nd and 3rd cycles are comparable implying its stability over multiple reaction cycles. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Research on Chemical Intermediates is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11164-026-05991-4
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      – SubjectFull: Transfer hydrogenation
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      – SubjectFull: Chemical stability
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              Text: Jun2026
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