CLXXXVIII.—Experiments on the synthesis of the terpenes. Part XIII. Synthesis of isocarvestrene (Δ6:8(9)-m-menthadiene) and its derivatives [PDF]
Kenneth C. Fisher, W. H. Perkin
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Anthraquinone Sulfonates as Water‐Soluble Photocatalysts: Synthetic Applications and Perspectives
The development of photochemistry in water is rapidly advancing, and the demand for water‐soluble photocatalysts is increasing. Accordingly, anthraquinone sulfonates are interesting options for the activation of organic molecules through H‐atom transfer, proton‐coupled electron transfer, or the generation of reactive oxygen species.
Daniel Kolb+2 more
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Photochemistry of Resveratrol: Beyond the Reactivity of Metal‐Free Porphyrins Immobilized on Lignin
Resveratrol photochemistry with singlet oxygen is examined at 450 nm using blue‐LED irradiation and various homogeneous and heterogeneous photosensitizers. Products of CC bond cleavage, electrocyclic ring closure, and [4 + 2] cycloaddition are identified.
Elisa De Marchi+8 more
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XL.—Experiments on the synthesis of the terpenes. Part I. (Continued). Direct synthesis of terpin from ethyl cyclohexanone-4-carboxylate [PDF]
Francis William Kay, W. H. Perkin
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XCVIII.—Studies of the terpenes and allied compounds. Nitrocamphor and its derivatives. I. Stereoisomeric chloro- and bromo-nitrocamphors. II. Pseudonitrocamphor. III. Camphoryloxime (camphonitrophenol) [PDF]
Thomas Martin Lowry
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From Turpentine to (‐)‐Menthol: a New Approach
The rising popularity of (‐)‐menthol, as the main component of the natural mint aroma with applications in the pharmaceuticals, cosmetics and food industry, leads to a growing need for synthetic menthol production to satisfy the world demand. In this study a novel green synthesis route for menthol is presented.
Matthias Eisenacher+5 more
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CLXXXVII.—Experiments on the synthesis of the terpenes. Part I (continued). Resolution of dl-1-methyl-Δ1-cyclohexene-4-carboxylic acid and synthesis of the optically active modifications of terpineol [PDF]
Kenneth C. Fisher, W. H. Perkin
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Exploring Acrylic Acid as an Oxirane Nucleophile: Direct Access to Poly(β‐Hydroxy Acrylates)
Within, we present a scalable, solvent‐free route to β‐hydroxy acrylate monomers using acrylic acid (AA) as a nucleophile with various oxiranes. Once polymerized, the resulting polymers are optically transparent, thermally stable, and range from brittle to ductile. This straightforward method underscores AA's potential in sustainable, bio‐based polymer
Céline Montanari+3 more
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Chemically recyclable polyester thermosets from activated adipic acid and renewable polyols
This study outlines a method for producing chemically recyclable crosslinked polyesters using renewable polyols – glycerol and sorbitol – combined with adipic acid (AA), which is transformed/activated into a polyanhydride mixture prior to use. A three‐step procedure was designed: i) an acid‐catalyzed reaction of AA with non‐toxic isopropenyl acetate or
Davide Rigo+5 more
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Heterogenous photocatalyzed alkene epoxidation: A simple urea‐based polymeric carbon nitride catalyzes the aerobic epoxidation of citronellol and a range of other alkenes under visible light irradiation. Mediation by an aliphatic aldehyde can accelerate the reaction, and the photocatalytic method enables an efficient short synthesis of the terpenoid ...
Felix Lorenz+4 more
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