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benzyl ether/dichloromethane
Povezava se shrani v odložišče
3 rezultatov
Facile oxidative cleavage of 4-O-benzyl ethers with dichlorodicyanoquinone in rhamno- and mannopyranosides.
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Prijava / prijava
On exposure to dichlorodicyanoquinone in wet dichloromethane at room temperature, equatorial 4-O-benzyl ethers are removed with moderate selectivity in the presence of other benzyl ethers in glycopyranosides and glycothiopyranosides.
A hierarchy of aryloxide deprotection by boron tribromide.
Samo registrirani uporabniki lahko prevajajo članke
Prijava / prijava
Aryl propargyl ethers and esters are cleaved selectively in the presence of aryl methyl ethers and esters by boron tribromide in dichloromethane. Under the same conditions, allyl ethers undergo very rapid Claisen rearrangement, and benzyl ethers are also cleaved more rapidly than propargyl. A
Bonding of hydroxycinnamic acids to lignin: ferulic and p-coumaric acids are predominantly linked at the benzyl position of lignin, not the beta-position, in grass cell walls.
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Prijava / prijava
A suspension in dichloromethane-water (18:1, v/v) of various fractions containing hydroxycinnamic acid ester-ether bridges between lignin and polysaccharides prepared from cell walls of matured oat (Avena sativa L.) intemodes, and a solution of their acetates in the same solvent, were treated with
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