解聚
化学
木质素
催化作用
键裂
劈理(地质)
聚合物
有机化学
高分子化学
高分子科学
复合材料
断裂(地质)
材料科学
作者
Jason M. Nichols,Lee M. Bishop,Robert G. Bergman,Jonathan A. Ellman
摘要
A ruthenium-catalyzed, redox neutral C−O bond cleavage of 2-aryloxy-1-arylethanols was developed that yields cleavage products in 62−98% isolated yield. This reaction is applicable to breaking the key ethereal bond found in lignin-related polymers. The bond transformation proceeds by a tandem dehydrogenation/reductive ether cleavage. Initial mechanistic investigations indicate that the ether cleavage is most likely an organometallic C−O activation. A catalytic depolymerization of a lignin-related polymer quantitatively yields the corresponding monomer with no added reagent.
科研通智能强力驱动
Strongly Powered by AbleSci AI