Reaction of Cellulose with Phenyl Isocyanate
نویسندگان
چکیده
منابع مشابه
The reaction between wool and phenyl isocyanate.
During some studies on the reactivity of the cystine linkages in wool, it was necessary to find methods for blocking the various polar side chains with minimum degradation of the fibre as a whole, and without introducing any coloration due to the reagent used. Various workers have found that the amino groups of proteins react readily with i8ocyanates in aqueous solution at pH 8 and 00 (Hopkins ...
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The reaction between vinylene trithiocarbonate and chlorosulfonyl isocyanate proceeds by initial attack of thiocarbonyl on the isocyanate carbon.
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the reaction between vinylene trithiocarbonate and chlorosulfonyl isocyanate proceeds by initial attack of thiocarbonyl on the isocyanate carbon.
متن کاملReaction of phenyl radicals with propyne.
The potential energy surface (PES) for the phenyl + propyne reaction, which might contribute to the growth of polycyclic aromatic hydrocarbons (PAHs) under a wide variety of reaction conditions, is described. The PES was characterized at the B3LYP-DFT/6-31G(d) and B3LYP-DFT/6-311+G(d,p) levels of theory. The energies of the entrance transition states, a direct hydrogen-transfer channel and two ...
متن کاملDifferent Reaction Patterns in the Baylis-Hillman Reaction of Aryl Aldehydes with Phenyl Vinyl Ketone, Phenyl Acrylate and Phenyl Thioacrylate
In the Baylis-Hillman reaction of aryl aldehydes with phenyl vinyl ketone we have observed exclusive formation of diadducts 4, and that the yields of diadduct can reach 80% with increasing amounts of phenyl vinyl ketone. On the other hand, for phenyl acrylate and phenyl thioacrylate, only the normal Baylis-Hillman adduct was obtained. The effects of substituents were also examined and a plausib...
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ژورنال
عنوان ژورنال: The Journal of the Society of Chemical Industry, Japan
سال: 1970
ISSN: 0023-2734,2185-0860
DOI: 10.1246/nikkashi1898.73.11_2527