Biomedical devices such as contact lenses formed from a polymerization product of a mixture comprising (a) a hydrophilic polymer comprising one or more hydrophilic units and one or more thio carbonyl thio fragments of a reversible addition fragmentation chain transfer (“RAFT”) agent; and (b) one or more biomedical device-forming monomers are disclosed.
Free-Radical Variant for the Synthesis of Functionalized 1,5-Diketones
作者:Kelvin Kau Kiat Goh、Sunggak Kim、Samir Z. Zard
DOI:10.1021/ol402213k
日期:2013.9.20
A free-radical approach for the synthesis of functionalized 1,5-diketones has been accomplished through an effective combination play between alkenylacylphosphonates and keto-xanthates as radical surrogates of enolates and enones, respectively.