Preparing method of optically active ketones

Details Preparing method of optically active ketones Preparing method of optically active ketones

1984-10-16

1986-12-09

Reamer, James H.

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

Organic compounds

Oxygen containing

568361, 568404, 558 51, 549473, C07C 4551

Patent

active

046281207

ABSTRACT:
A preparing method of optically active ketones given by a general formula ##STR1## (wherein R represents a hydrocarbon group having 2 to 20 carbon atoms and R' represents a hydrocarbon group having 1 to 20 carbon atoms. The hydrocarbon groups of R and R' may contain functional groups having no influence on the reaction. But, * represents an asymmetric carbon atom, and R represents a more electron donating group than R' (except when R=R') through the rearrangement reaction by using organoaluminum compound.

REFERENCES:
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patent: 3235602 (1966-02-01), Russell
patent: 3491153 (1970-01-01), Lyness
patent: 4085136 (1978-04-01), Tucker
patent: 4128584 (1978-12-01), Martel et al.
Suzuki et al, Tetrahedron Letters, vol. 25, pp. 1817-1820 (1984).
Suzuki et al, Tetrahedron Letters, vol. 24, pp. 4997-5000 (1983).

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