D. Wu, Z. Chen/Chemical Papers 64 (6) 758–766 (2010)
765
OCH3
H3CO
OCH3
CH2
H3C
CH2
Hα
H3C
CH2
H3C
C
O
C
O
C
C
O
C
O
O
CH3OH
Hα
Mn+ O2-
Mn+ O2-
Mn+ O2-
Fig. 8. Proposed mechanism for the methoxycarbonylation of acetone with DMC.
the abstraction of Hα from acetone by base sites. Un-
der optimum conditions, the conversion of acetone and
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the selectivity of MAA with K/MgO catalyst (cK
=
1.97 mass %) attained 51.8 % and 49.5 %, respectively.
Acknowledgements. The authors acknowledge financial sup-
port from the Medical Science and Technology Development
Foundation of Guangdong, PR China, No. B2009190, Tech-
nology Initiative Foundation of Zhanjiang, PR China, No.
2009C3101014, and Doctor Start Foundation of Guangdong
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