| abstract |
(A) VIII metals sources, (b) the general formula (I): in R 1 R 2 M 1 -R- M 2 R 3 R 4 ( wherein, M 1 and M 2 each independently P, As or Sb; R 1 , R 2 , R 3 and R 4 each independently represents a monovalent aliphatic group; or R 1 , R 2 , M 1 together and / or R 3 , R 4 and M 2 each independently represents an optionally substituted alicyclic group having at least 5 ring atoms, one of which is each a M 1 or M 2 atom; Reacting a conjugated diene with a compound containing an active hydrogen atom and having the formula RH in the presence of a telomerization catalyst based on a bidentate ligand having a divalent organic bridging group) Conjugated diene telomerization method, and can be used in this method That novel bidentate diphosphine. |