The bonding capacities of tetranuclear early transition-metal clusters have been estimated based on the extended Huckel calculations.Using the Walsh diagram wh
A new sterol, 5a-cholesta-8(14),24(25)-diene-3/β, 6a-diol (1) and a known sterol (24Z)-24-ethyl-cholesta-7(8),24(28)-diene-3β,5a,6β-triol (2) have been isol