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2 article(s) from Perosa, Alvise

Biobased carbon dots as photoreductants – an investigation by using triarylsulfonium salts

Valentina Benazzi,
Arianna Bini,
Ilaria Bertuol,
Mariangela Novello,
Federica Baldi,
Matteo Hoch,
Alvise Perosa and
Stefano Protti

Beilstein J. Org. Chem. 2025, 21, 1024–1030, doi:10.3762/bjoc.21.84

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Graphical Abstract

Scheme 1: a) CDs-mediated 1,2-difunctionalization of alkenes by alkyl halides R–Y and b) light-driven reducti...

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Figure 1: UV–vis spectra of the CDs. All the measurements have been performed in water, except for CD-a-GLU, ...

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Full Research Paper

Published 26 May 2025

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Ionic liquids as transesterification catalysts: applications for the synthesis of linear and cyclic organic carbonates

Maurizio Selva,
Alvise Perosa,
Sandro Guidi and
Lisa Cattelan

Beilstein J. Org. Chem. 2016, 12, 1911–1924, doi:10.3762/bjoc.12.181

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Scheme 1: The transesterification of diethyl oxalate (DEO) with phenol catalyzed by MoO₃/SiO₂.

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Scheme 2: Transesterification of a triglyceride (TG) with DMC for biodiesel production using KOH as the base ...

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Scheme 3: Top: Green methylation of phosphines and amines by dimethyl carbonate (Q = N, P). Bottom: anion met...

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Figure 1: Structures of some representative SILs and PILs systems. MCF is a silica-based mesostructured mater...

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Scheme 4: Synthesis of the acid polymeric IL. EGDMA: ethylene glycol dimethacrylate.

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Scheme 5: The transesterification of sec-butyl acetate with MeOH catalyzed by some acidic imidazolium ILs.

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Figure 2: Representative examples of ionic liquids for biodiesel production.

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Scheme 6: Top: phosgenation of methanol; middle: EniChem and Ube processes; bottom: Asahi process for the pro...

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Scheme 7: The transesterification in the synthesis of organic carbonates.

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Scheme 8: The transesterification of DMC with alcohols and diols.

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Scheme 9: Transesterification of glycerol with DMC in the presence of 1-n-butyl-3-methylimidazolium-2-carboxy...

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Scheme 10: Synthesis of the BMIM-2-CO₂ catalyst from butylimidazole and DMC.

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Scheme 11: Plausible cooperative (nucleophilic–electrophilic) mechanism for the transesterification of glycero...

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Scheme 12: Synthesis of diazabicyclo[5.4.0]undec-7-ene-based ionic liquids.

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Scheme 13: Synthesis of the DABCO–DMC ionic liquid.

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Scheme 14: Cooperative mechanism of ionic liquid-catalyzed glycidol production.

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Scheme 15: [TMA][OH]-catalyzed synthesis of glycidol (GD) from glycerol and dimethyl carbonate [46].

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Scheme 16: [BMIM]OH-catalyzed synthesis of DPC from DMC and 1-pentanol.

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Figure 3: Representative examples of ionic liquids for biodiesel production.

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Figure 4: Acyclic non-symmetrical organic carbonates synthetized with 1-(trimethoxysilyl)propyl-3-methylimida...

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Scheme 17: A simplified reaction mechanism for DMC production.

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Scheme 18: [P₈₈₈₁][MeOCO₂] metathesis with acetic acid and phenol.

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Figure 5: Examples of carbonates obtained through transesterification using phosphonium salts as catalysts.

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Scheme 19: Examples of carbonates obtained from different bio-based diols using [P₈₈₈₁][CH₃OCO₂] as catalyst.

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Scheme 20: Ambiphilic catalysis for transesterification reactions in the presence of carbonate phosphonium sal...

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Review

Published 26 Aug 2016

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