The methanolysis reaction of renewable gamma-valerolactone and alpha-methyl-gamma-valerolactone in the presence of dimethylcarbonate and under acid conditions can be tuned to yield selectively each of three acyclic biobased products: 4-hydroxy-methylpentanoate I, 4-methoxy-methylpentanoate 2, and methyl-pent-3-enoate 3. The reaction was studied in batch and in continuous flow, and a reaction mechanism based on experimental and computational evidence was proposed. The protocol is based on a set of greener chemical technologies and was implemented in continuous flow.
Dimethylcarbonate-Assisted Ring-Opening of Biobased Valerolactones with Methanol
CARETTO, ALESSIO;BORTOLUZZI, Marco;SELVA, Maurizio;PEROSA, Alvise
2016-01-01
Abstract
The methanolysis reaction of renewable gamma-valerolactone and alpha-methyl-gamma-valerolactone in the presence of dimethylcarbonate and under acid conditions can be tuned to yield selectively each of three acyclic biobased products: 4-hydroxy-methylpentanoate I, 4-methoxy-methylpentanoate 2, and methyl-pent-3-enoate 3. The reaction was studied in batch and in continuous flow, and a reaction mechanism based on experimental and computational evidence was proposed. The protocol is based on a set of greener chemical technologies and was implemented in continuous flow.
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