NEW RUTHENIUM COMPLEXES, THEIR USE IN THE METATHESIS REACTION AND MODALITIES FOR THE METATHESIS REACTION Russian patent published in 2016 - IPC C07F15/00 C08F4/80 C08F132/08 B01J31/22 B01J31/24 C07C6/02 

FIELD: chemistry.

SUBSTANCE: invention relates to a complex of the general formula 1:

Values following radicals: X is an anionic ligand such as halogen; Y represents oxygen; L¹ is a neutral ligand of the formula PR⁹(R¹⁰)(R¹¹), wherein R⁹, R¹⁰ and R¹¹ represent C_3-12 cycloalkyl; or L¹ represents N-containing heterocyclic compound; L² is an N-heterocyclic carbene ligand of the formula 2a or 2b:

wherein R¹², R¹³ independently represent C₅-C₁₄ aryl optionally substituted with at least one C₁-C₆ alkyl; R¹⁴, R¹⁵, R¹⁶, R¹⁷ are hydrogen or C₁-C₁₂ alkyl; R¹ represents hydrogen; R², R³, R⁴ and R⁵ independently represent hydrogen or nitro. Also provided are the use of a complex of general formula 1 as (pre) catalysts for metathesis reactions of olefins and a method for carrying out metathesis reactions of olefins.

EFFECT: invention allows to obtain the complexes of general formula 1, which are stable and can be produced without any protective atmosphere of inert gas, and in analytical grade solvents and which can be effectively used for olefin metathesis reactions.

22 cl, 5 tbl, 13 ex