Design of a heterogeneous catalytic process for the continuous and direct synthesis of lactide from lactic acid
2016
UpareThese authors contributed equally., Pravin P. | Yoon, Ji Woong | Hwang, Dong Won | Lee, U-Hwang | Hwang, Young Kyu | Hong, Do-Young | Kim, Jin Chul | Lee, Jeong Hyeon | Kwak, Sang Kyu | Shin, Hyeyoung | Kim, Hyungjun | Chang, Jong-San
We present a continuous one-step reaction pathway for optically pure lactide under atmospheric conditions based on a novel SnO₂–SiO₂ nanocomposite catalyst. The new heterogeneous catalytic system gave a record high lactide yield of 94% with almost 100% enantioselectivity and long-term stability (>2500 h) from l-lactic acid.
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