Cobalt-catalyzed carbonylation of epoxides to β-lactones promoted by gallium porphyrin

作者：Li, Huimin; Tang, Yitian; Li, Zhijian; Li, Yonggang^*; Chen, Baoshu; Shen, Chaoren; Huang, Zheng; Dong, Kaiwu^*

来源：Molecular Catalysis, 2022, 533: 112779.

DOI：10.1016/j.mcat.2022.112779

• Gallium porphyrin
• Cobalt
• Carbonylation
• Epoxide
• Lactone

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.

• 单位
  中国科学院