Substituted cyclohexanones

Details Substituted cyclohexanones Substituted cyclohexanones

2006-07-18

2008-12-30

Witherspoon, Sikarl A (Department: 1621)

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

Organic compounds

Oxygen containing

C568S376000

Reexamination Certificate

active

07470820

ABSTRACT:
The present invention relates to a cyclohexanone derivative of formulain the form of any one of its isomers or mixture thereof. The invention concerns also the preparation and the use of this derivative. The compounds of the invention are useful starting materials for the preparation of various optically active compounds.

REFERENCES:
patent: 2006/0252967 (2006-11-01), Knopff
patent: 2005/077875 (2005-08-01), None
International Search Report and Written Opinion for PCT/IB2006/052460.
Charles Fehr et al., XP002365012, “An Efficient Enantioselective Synthesis Of (+)-(R,Z)-5-Muscenone and (−)-(R)-Muscone—An Example of a Kinetic Resolution and Enantioconvergent Transformation”, Eur. J. Org. Chem.,pp. 1953-1957 (2004).
Claude Agami et al., XP002285952, “Enantioselective Cyclizations Of Acyclic 1,5-Diketones” Bulletin De La Societe Chimique De France, No. 2, pp. 358-360 (1987).
Barry B. Snider et al., XP002365013, “Lewis acid Catalyzed Ene Reactions of alpha, Beta-Unsaturated N-Acyloxazolidinones”, J. Org. Chem., vol. 56, pp. 4908-4913, (1991).

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