期刊
MOLECULAR CATALYSIS
卷 533, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.mcat.2022.112779
关键词
Gallium porphyrin; Cobalt; Carbonylation; Epoxide; Lactone
资金
- National Key R & D Program of China
- Science and Tech- nology Commission of Shanghai Municipality
- Shanghai Rising Star Program
- Fundamental Research Funds for the Central Universities
- [2020YFA0710201]
- [20ZR1471400]
- [21QA1402800]
Oxophilic Ga(III) porphyrin complexes were developed as a replacement for Al(III) or toxic Cr(III) complexes in the Lewis acid catalyzed carbonylation of epoxides to beta-lactones. The complexes showed comparable performance to state-of-the-art catalyst systems consisting of Al(III) or Cr(III). Large-scale reactions using (TPP)GaCl and Co2(CO)8 in low loading demonstrated the potential application of the complexes in the preparation of beta-butyr-olactone from propylene oxide and CO.
Oxophilic Ga(III) porphyrin complexes were developed to replace Al(III) or toxic Cr(III) complexes as the Lewis acid catalyst to achieve the Co-catalyzed carbonylation of epoxides to beta-lactones. Its performance is comparable to the state-of-the-art catalyst systems consisting of Al(III) or Cr(III). Large-scale reaction using the combination of (TPP)GaCl and Co2(CO)8 in low loading revealed its potential application for the preparation of beta-butyr-olactone from propylene oxide and CO.
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