Citation:
Xin Bin MA, Sheng Ping WANG, Hong Li GUO, Gen Hui XU. Preparation of Diphenyl Oxalate from Transesterification of Dimethyl Oxalate with Phenol over TS-1 Catalyst[J]. Chinese Chemical Letters,
;2003, 14(5): 461-464.
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Diphenyl oxalate was synthesized from transesterification of dimethyl oxalate with phenol over TS-1( 2.5 wt% Ti ) catalyst.TS-1 catalyst, as a heterogeneous catalyst, showed excellent selectivity of diphenyl oxalate and methylphenyl oxalate compared with other homogeneous catalysts.Lewis acid sites on TS-1 catalyst were the active sites for transesterification of dimethyl oxalate with phenol.The high selectivity was closely related to the weak acid sites over TS-1.
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Keywords:
- Diphenyl oxalate,
- transesterification,
- dimethyl oxalate,
- weak acid sites,
- TS
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