The effect of backbone-substituent of carbon-bridged diphosphine ligands of the types {Ph2PCH(R)CH2PPh2} and {Ph2PC(R)═CHPPh2} on the catalyst performance in ethylene oligomerization has been explored ...

Nine new homosecoiridoid alkaloids, named lonijaposides O–W (1–9), along with 19 known compounds, were isolated from an aqueous extract of the flower buds of Lonicera japonica. Their structures and ...