The Active Intermediates of Non‐Heme‐Iron‐Based Systems for Catalytic Alkene Epoxidation with H
<sub>2</sub>
O
<sub>2</sub>
/CH
<sub>3</sub>
COOH
作者:Eduard A. Duban、Konstantin P. Bryliakov、Evgenii P. Talsi
DOI:10.1002/ejic.200600895
日期:2007.2
the catalytic system 1/H 2 O 2 /CD 3 COOD by 2 H NMR spectroscopy. The improved epoxidation activity and selectivity of the catalytic systems 1/H 2 O 2 /CH 3 COOH and 2/H 2 O 2 / CH 3 COOH, with respect to 1/H 2 O 2 and 2/H 2 O 2 , is caused by the effective formation of intermediates [(L)Fe IV =O(S)] 2+ via decomposition of the acylperoxido complexes [(L)-Fe III (O 3 CCH 3 )] 2+ .
酰基过氧化物络合物[(BPMEN)FeIII(03CCD3)]2+在催化体系1/H 2 O 2 /CD 3 COOD中通过2 H NMR光谱被鉴定。相对于 1/H 2 O 2 和 2/H 2 O 2 ,催化体系 1/H 2 O 2 /CH 3 COOH 和 2/H 2 O 2 / CH 3 COOH 改进的环氧化活性和选择性是由通过酰基过氧化物络合物[(L)-Fe III (O 3 CCH 3 )] 2+ 的分解有效形成中间体[(L)Fe IV =O(S)] 2+ 引起的。