Recovery of Co 2(CO) 8 catalyst for the double carbonylation of benzyl chloride was studied. Co 2 (CO) 8 catalyst was recycled four times and the yield of product did not decrease. CoCl 2/Na 2S was used as the double ...Recovery of Co 2(CO) 8 catalyst for the double carbonylation of benzyl chloride was studied. Co 2 (CO) 8 catalyst was recycled four times and the yield of product did not decrease. CoCl 2/Na 2S was used as the double carbonylation catalyst precursor to replace Co 2(CO) 8, and a product yield of 51.5% can be obtained.展开更多
文摘Recovery of Co 2(CO) 8 catalyst for the double carbonylation of benzyl chloride was studied. Co 2 (CO) 8 catalyst was recycled four times and the yield of product did not decrease. CoCl 2/Na 2S was used as the double carbonylation catalyst precursor to replace Co 2(CO) 8, and a product yield of 51.5% can be obtained.