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Method for preparation of organic molybdenum compounds

  • US 5,412,130 A
  • Filed: 06/08/1994
  • Issued: 05/02/1995
  • Est. Priority Date: 06/08/1994
  • Status: Expired due to Term
First Claim
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1. A process for preparing a 2,4-heteroatom-substituted molybdena-3,3-dioxocycloalkane compound comprising the steps of selecting a starting material having the structural formula ##STR6## wherein X1 and X2 are selected from the group consisting of O, S or N and where n or m=1 when X1 or X2 is O or S and n or m=2 when X1 or X2 is N, y=0 or 1, and wherein R1, R2, R3, R4 and R5 are independently selected from the group consisting of hydrogen, alkyl, alkenyl, aryl, alkylaryl hydrocarbon group or fatty residue containing from 1 to 50 carbon atoms or polymeric residues having a molecular weight of 150 to 1200;

  • and selected from poly-alpha-olefin, polypropene, polybutylene and polyisobutylene;

    reacting the starting material with a molybdenum source sufficient to yield about 2 to 20 percent of molybdenum based on the weight of the molybdena-compound in the presence of water and a phase transfer agent of the formula ##STR7## wherein R6 is an alkyl group or fatty residue having 8 to 22 carbon atoms and X3 is a hydroxy or amino group at 60°

    to 150°

    C.;

    removing the reaction water and diluent water and recovering the molybdena-compound of the formula ##STR8## wherein R1, R2, R3, R4, R5, X1, X2, n and m are defined and correspond to the starting materials in formula (I) and (II).

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