Process for the preparation of organo-molybdenum compounds

Details Process for the preparation of organo-molybdenum compounds Process for the preparation of organo-molybdenum compounds

2007-04-17

2007-04-17

Nazario-Gonzalez, Porfirio (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

C508S362000, C508S367000

Reexamination Certificate

active

11385291

ABSTRACT:
This invention is a process for preparation of 2,4-heteroatom-substituted molybdena-3,3-dioxocycloalkane compounds by reacting diol-, diamino, thiol-alcohol- and amino-alcohol-compounds with the following reagents:ammonium molybdate (or in situ produced ammonium molybdate by the reaction of ammonia with molybdenum trioxide or molybdic acid) as a molybdenum source,ammonia as an additional or secondary reagent or promoter, in molar ratio NH3:Mo (amount of molybdenum in the molybdenum source) of ≧1:1, preferably 1–3:1, more preferably 2–3:1, and most preferred 2.2–2.65:1.

REFERENCES:
patent: 4164473 (1979-08-01), Coupland et al.
patent: 4889647 (1989-12-01), Rowan et al.
patent: 5137647 (1992-08-01), Karol
patent: 5412130 (1995-05-01), Karol
patent: 6403538 (2002-06-01), Ozaki et al.

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