![Influence of different substitution in pyrazolium ionic liquids on catalytic activity for the fixation of CO 2 under solvent- and metal-free conditions]()
Influence of different substitution in pyrazolium ionic liquids on catalytic activity for the fixation of CO 2 under solvent- and metal-free conditionsChen, Ci; Ma, Yuan; Zheng, Danning; Zhang, Jingshun; Ren, Tiegang; Wang, Li; Zhang, Jinglai · Tetrahedron · 2018