中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
2,2’-联苯甲酰联苯 | 2,2'-dibenzoylbiphenyl | 24018-00-6 | C26H18O2 | 362.428 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 2,2'-<1,1'-biphenyl>-2,2'-diylbis(2-phenyl-1,3-dioxolane) | 106569-08-8 | C30H26O4 | 450.534 |
—— | <2'-<(2-phenyl-1,3-dioxolan)-2-yl><1,1'-biphenyl>-2-yl>phenylmethanone | 106568-95-0 | C28H22O3 | 406.481 |
2,2’-联苯甲酰联苯 | 2,2'-dibenzoylbiphenyl | 24018-00-6 | C26H18O2 | 362.428 |
—— | trans-<2'-(2-phenyl-1,3-dioxolan-2-yl)<1,1'-biphenyl>-2yl>phenylmethanone oxime | 106568-99-4 | C28H23NO3 | 421.496 |
—— | <1,1'-biphenyl>-2,2'-diylbis(phenylmethanone) dioxime | 106569-09-9 | C26H20N2O2 | 392.457 |
Fluorinated and nonfluorinated phosphonates are employed as precatalysts in lithium phosphonate catalyzed cross benzoin couplings. Surprisingly, a decreased catalytic activity for the fluorinated precatalysts compared to the nonfluorinated systems is observed. Furthermore, the ring size of six, seven and nine membered ring catalysts appears not to be crucial for their catalytic activity.