Method for the preparation of carbonyl compounds

Details Method for the preparation of carbonyl compounds Method for the preparation of carbonyl compounds

1980-04-14

1982-03-30

Trousof, Natalie

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

Organic compounds

Oxygen containing

568395, 568458, 568465, 2604651, 560231, 560 51, 562459, C07C 4564, C07C 4561

Patent

active

043225616

ABSTRACT:
For preparing carbonyl compounds containing certain functional groups, a carbonyl compound is reacted with an unsaturated compound in the presence of a trivalent-manganese initiator and an amine. There is a positive coaction between the trivalent-Mn catalyst and the amine. Typically, 2-methyl-3-butene-2-ol is reacted with acetone in the presence of triethylamine and manganese triacetate (bihydrated) to obtain 2-methyl-heptane-2-ol-3-one. Yields and selectivities are more than satisfactory.

REFERENCES:
patent: 2440800 (1948-05-01), Hanford et al.
patent: 3429901 (1969-02-01), Blood et al.
patent: 3865881 (1975-02-01), McMullen
patent: 4035395 (1977-07-01), Stetter et al.

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