Epoxides, process for their preparation and their use for the pr

Details Epoxides, process for their preparation and their use for the pr Epoxides, process for their preparation and their use for the pr

1997-10-29

1999-10-05

Owens, Amelia

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30300

Patent

active

059627069

ABSTRACT:
Epoxides of formula ##STR1## having a cyclanic (1R) configuration, the group in position 2 being in a trans configuration and the epoxy group being in a cis configuration with respect to that in position 1 of the ring, and in which R represents a lower alkyl group and R.sup.1 represents a saturated or unsaturated, linear or branched hydrocarbon group having from 1 to 8 carbon atoms, are useful molecules for the preparation of very prized perfuming ingredients. A process for the preparation of the opoxides (I) is also described.

REFERENCES:
E.J. Corey et al., "Enantioselective Route to a Key Intermediate in the Total Synthesis of Ginkgolide B", Tetrahedron Letters, vol. 29, No. 26 (1988), pp. 3201-3204.
D. Curran et al., "Radical-Initiated Polyolefinic Cyclizations in Linear Triquinane Synthesis. Model Studies and Total Synthesis of (.+-.)-Hirsutene", Tetrahedron, vol.41, No. 19 (1985), pp. 3943-3958.
T. Kitahara et al., "A Simple and Efficient Synthesis of (.+-.)-Methyl Dihydroepijasmonate", Agric. Biol. Chem., vol. 50, No. 7 (1986), pp. 1867-1872.
T. Kitahara et al., "Synthesis of (.+-.)-Methyl Epijasmonate and (.+-.)-Methyl Cucurbate", Agric. Biol. Chem., vol. 51, No. 4 (1987), pp. 1129-1133.

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