title: Potassium sorbate as an efficient and green catalyst for Knoevenagel condensation.
authors.affiliation: Department of Chemistry & Environmental Science, Taishan University, Tai'an, China. sdsslq@163.com
authors.forename: Qing
authors.initials: Q
authors.lastname: Liu
authors.forename: Hongmei
authors.initials: H
authors.lastname: Ai
authors.forename: Zhen
authors.initials: Z
authors.lastname: Li