Process for preparation of bicyclic and polycyclic molecules

Details Process for preparation of bicyclic and polycyclic molecules Process for preparation of bicyclic and polycyclic molecules

2006-03-14

2006-03-14

Peselev, Elli (Department: 1623)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C546S091000, C546S127000, C546S131000

Reexamination Certificate

active

07012142

ABSTRACT:
The present application is directed to a method of synthesis of a bicyclic or polycyclic compound of formula I or formula II:in which E, G, Y, n, m, R, R1, R2, R3, R6, R7, R8and R9are as defined.

REFERENCES:
patent: WO 97/40859 (1997-11-01), None
patent: WO 99/02526 (1999-01-01), None
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I. P. Kovalev et al., “Catalytic Codimerization of α, β- with γ, σ-Unsaturated Ketones: Novel Stereoselective Method of the Synthesis of Functionalized 8-Oxabicyclo [3.2.1] octanes”,Tetrahedron Letters, vol. 33, No. 13, pp. 1791-1794, (1992).
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P. Brownbridge et al., “A Simple Route to the 8-Oxabicyclo [3.2.1] Octyl and 9-Oxabicyclo [3.3.1] Nonyl Systems. Synthesis of the 8-Oxa Analog of Cocaine”,Tetrahedron Letters, No. 46, pp. 4437-4440, (1979).

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