Williams G, Hambright P
Bioinorg Chem. 1977;7(3):267-9. doi: 10.1016/s0006-3061(00)80099-x.
The equilibrium constant for the first thiocyanate addition to Co(III)-tetra(3-N-methylpyridyl)porphine is a factor of two smaller than for the less basic 4-N-methylporphine isomer. This effect is primarily due to a larger Co-SCN dissociation rate constant for the 3-isomer.
硫氰酸盐首次加成到钴(III)-四(3-N-甲基吡啶基)卟啉的平衡常数,比碱性较弱的4-N-甲基卟啉异构体的平衡常数小两倍。这种效应主要是由于3-异构体的钴-硫氰酸盐解离速率常数较大。