Process for the catalytic reduction of unsaturated ketones

Details Process for the catalytic reduction of unsaturated ketones Process for the catalytic reduction of unsaturated ketones

1981-12-30

1983-11-08

Reamer, James H.

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

Organic compounds

Oxygen containing

568347, C07C 4562

Patent

active

044144172

ABSTRACT:
This invention relates to a process for the reduction of .alpha.-,.beta.-unsaturated linear homo- and heterocyclic ketones by a transfer of hydrogen from an alcohol donor to said unsaturated ketone. The alcohol donor must be unsubstituted or substituted with an inert group. Also the alcohol donor may be a primary or secondary alcohol or a glycol. The process is a catalytic one and is carried out in the presence of complexed iridium and rhodium catalysts of the following formulae: ##STR1## wherein: M is selected from Ir and Rh;

REFERENCES:
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patent: 4041083 (1971-08-01), Gradeff et al.
Trocha-Grimshaw et al., J. Chem. Soc. Chem. Comm., p. 544, (1967).
Rigen et al., J. Org. Chem., vol. 37, pp. 1832-1833, (1972).
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Sasson et al., J. Org. Chem., vol. 40, pp. 1887-1897, (1975).
Padwa et al., Tetra Letters, #45, pp. 4083-4086, (1975).
Svoboda et al., Coll. Czech. Chem. Comm., vol. 42, pp. 2177-2181, (1977).

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