ACHIRAL BIDENTATE P,N-LIGANDS AND METHOD FOR THEIR PREPARING Russian patent published in 2004 - IPC

Abstract RU 2239639 C1

FIELD: organic chemistry, chemical technology.

SUBSTANCE: invention relates to new P,N-bidentate ligands of the formula (I):

wherein A represents sulfur atom (S) or NR wherein R represents (C1-C4)-alkyl; R1 and R2 represent hydrogen atom, (C1-C4)-alkyl or R1 and R2 can be cyclizated to form benzene ring; R3 and R4 represent (C1-C4)-alkyl or phenyl; R5 and R6 represent (C1-C4)-alkyl. Indicated compounds can be used as components of catalysts in reactions of amination, cross-coupling, hydroformylation, allyl alkylation and others.

EFFECT: improved preparing method.

2 cl, 1 tbl, 3 ex

Similar patents RU2239639C1

Title Year Author Number
NEW ACHIRAL DIPHOSPHINE LIGAND, COMPLEXES BASED ON THEREOF AND METHOD FOR ITS PREPARING 2002
  • Nifant'Ev I.Eh.
  • Chevykalova M.N.
RU2225412C2
METALLOCENE COMPOUND, LIGAND, METHODS FOR PREPARING LIGAND, CATALYST, METHOD FOR PREPARING ALPHA-OLEFINS POLYMER, PROPYLENE HOMOPOLYMER, PROPYLENE COPOLYMER 2000
  • Nifant'Ev I.E.
  • Guidotti Simona
  • Reskoni Luidzhi
  • Lajshevtsev I.P.
RU2243229C2
ANSSA-ZIRCONOCENES FUNCTIONED WITH RESPECT TO CYCLOSILANE BRIDGES, AND METHOD OF PREPARATION THEREOF 1999
  • Lemenovskij D.A.
  • Krut'Ko D.P.
  • Borzov M.V.
  • Brusova G.P.
  • Veksler Eh.N.
  • Nedorezova P.M.
  • Tsvetkova V.I.
RU2160277C1
METHOD 2014
  • Fakketti Sara
  • Nedden Khans
RU2671972C1
HETEROARYL-ARYLDIPHOSPHINES AND METHOD FOR THEIR PREPARING 2002
  • Nifant'Ev I.Eh.
  • Chevykalova M.N.
  • Artemova N.V.
RU2223965C1
METAL-ORGANIC COMPOUND OF TRANSITIVE METAL, BISCYCLOPENTADIENYL LIGAND SYSTEM, CATALYST SYSTEM AND OBTAINING OF POLYOLEFINS 2004
  • Okumura Josikuni
  • Nifant'Ev Il'Ja Ehduardovich
  • Ehlder Majkl
  • Ivchenko Pavel Vasil'Evich
  • Bagrov Vladimir Vladimirovich
RU2362779C2
ORGANOMETALLIC COMPOUND SUITABLE AS COCATALYST IN POLYMERIZATION OF OLEFINS 2001
  • Reskoni Luidzhi
  • Gvidotti Simona
RU2248980C2
METHOD OF SYNTHESIS OF BRIDGE METALLOCENE COMPOUND, BRIDGE BIS-CYCLOPENTADIENYL LIGAND 1996
  • Nifant'Ev I.Eh.
  • Ivchenko P.V.
  • Reskoni Luidzhi(It)
RU2168515C2
DIPHOSPHINE AND METAL COMPLEXES 2006
  • Kessel'Gruber Martin
  • Tommen Mark
  • Lotts Mattias
RU2408600C2
CATALYST SYSTEM 2005
  • Istkhehm Grehkham
  • Tindehjl Nil
RU2372989C2

RU 2 239 639 C1

Authors

Nifant'Ev I.Eh.

Chevykalova M.N.

Artemova N.V.

Dates

2004-11-10Published

2003-02-06Filed