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Copolymerization of Limonene [PDF]
, 2014 In this thesis, we explored the use of a renewable resource to produce more sustainable polymeric materials. Limonene, a monocyclic terpene existing in many essential oils extracted from citrus rinds, was the renewable monomer investigated. The d-limonene ((+)-limonene) isomer is a major component (~90%) of orange oils from orange juicing and peel ...
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Limonene: a versatile chemical of the bioeconomy
Chem. Commun., 2014Largely increased use of (+)-limonene in the emerging bioeconomy will be twofold: in advanced formulations and as raw material to manufacture valued fine chemicals and high-performance polymers, especially using CO2 as co-monomer.
Ciriminna Rosaria +4 more
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Biotransformation of tetramethyl-limonene
Applied Microbiology and Biotechnology, 1986Microorganisms which efficiently oxidize limonene 1, do not attack 3,3,5,5-tetramethyllimonene 4. Gibberella cyanea which converts limonene 1 into 8-p-menthene-1,2-diol 2, transforms 4 into 8,9-epoxy-3,3,5,5-tetramethyl-1-menthenol-6 5 as major product.
Wolf-Rainer Abraham +4 more
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Menthatrienes and the Oxidation of Limonene
Helvetica Chimica Acta, 1970AbstractThe oxidation of limonene with mercuric acetate gives a mixture containing mentha‐1. 3. 8‐triene, the hydrocarbon of parsley, and its isomer, mentha‐1. 4. 8‐triene. Selenium dioxide oxidation of limonene in alcohol gives as the main product mentha‐1. 8‐dien‐4‐ol, and pyrolysis of the acetate of the latter, or of mentha‐1.
Alan F. Thomas, Waltraud Bucher
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Determinants of Enantiospecificity in Limonene Synthases
Biochemistry, 2020Monoterpene synthases catalyze the first committed step in the biosynthesis of monoterpenes and are in part responsible for the enormous structural diversity among this class of metabolites. Here, we explore the structure-function relationships underlying the formation of limonene enantiomers in limonene synthases that bind geranyl diphosphate as a ...
Narayanan Srividya +2 more
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Journal of Bioscience and Bioengineering, 2003
The biotransformation of limonene and limonene oxide by the cyanobacterium, Synechococcus sp. PCC 7942, was investigated. (S)-(+)-Limonene was hydroxylated stereo- and regioselectively at its allylic position of the endocyclic C=C double bond by the cyanobacterial cells to its corresponding alcohol.
Toshifumi Hirata +6 more
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The biotransformation of limonene and limonene oxide by the cyanobacterium, Synechococcus sp. PCC 7942, was investigated. (S)-(+)-Limonene was hydroxylated stereo- and regioselectively at its allylic position of the endocyclic C=C double bond by the cyanobacterial cells to its corresponding alcohol.
Toshifumi Hirata +6 more
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Mutational Analysis of (+)-Limonene Synthase
Biochemistry, 2023The monoterpene limonene is produced by the enzyme limonene synthase in one of the simplest terpene cyclization reactions. The enzyme can use linalyl diphosphate (LPP) and neryl diphosphate (NPP) as substrates in addition to the naturally occurring substrate geranyl diphosphate (GPP), but the relationship among the three alternative substrates is not ...
William H. Schiff, Daniel D. Oprian
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The 4 Diepoxides of (R)-(+)-Limonene [PDF]
Australian Journal of Chemistry, 1991 The four diepoxides of limonene have been synthesized and separated, and their distinguishing spectral characteristics are described.
RM Carman, KD Klika
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Limonene - A natural insecticide
Journal of Chemical Education, 1986Secondary students are often eager to pursue independent research projects but it may be a challenge to find an appropriate one. This author shares ideas for such a project with readers.
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Kinetics and Thermodynamics of Limonene Ozonolysis
The Journal of Physical Chemistry A, 2011Using density functional methods, the initial reaction steps of limonene ozonolysis have been investigated with a focus on primary ozonide formation and its decomposition to Criegee intermediates and carbonyl compounds. The ozonide formation is highly exothermic, and the decomposition channels have similar free energies of activation, ΔG(‡), indicating
Edilson Clement da Silva +3 more
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