2296-41-5Relevant academic research and scientific papers
Reactivity of vinyl ethers and vinyl ribosides in UV-initiated free radical copolymerization with acceptor monomers
Pichavant, Loic,Guillermain, Ce Line,Coqueret, Xavier
scheme or table, p. 2415 - 2421 (2012/10/18)
The reactivity of various vinyl ethers and vinyloxy derivatives of ribose in the presence of diethyl fumarate or diethyl maleate was investigated for evaluating the potential of donor-acceptor-type copolymerization applied to unsaturated monomers derived from renewable feedstock. The photochemically induced polymerization of model monomer blends in the bulk state was monitored by infrared spectroscopy. The method allowed us to examine the influence of monomer pair structure on the kinetic profiles. The simultaneous consumption of both monomers was observed, supporting an alternating copolymerization mechanism. A lower reactivity of the blends containing maleates compared with fumarates was confirmed. The obtained kinetic data revealed a general correlation between the initial polymerization rate and the Hansen parameter aeH associated with the H-bonding aptitude of the donor monomer.
Preparation of Some Partially Methylated L-Rhamnosides and D-Ribosides
Batavyal, Lakshmi,Roy, Nirmolendu
, p. 499 - 500 (2007/10/02)
Partially methylated L-rhamnosides and D-ribosides have been prepared using limited amounts (25 to 35percent less than that needed for complete methylation) of methylating reagents, and characterized by GLC or GLC/MS.Methyl 2,3-di-O-methyl-α-L-rhamnoside has also been prepared by a modified method of Hough and Jones .
