Process for the preparation of β-santalol and...

Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing

Reexamination Certificate

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C556S449000, C568S420000, C568S446000, C568S823000

Reexamination Certificate

active

07902393

ABSTRACT:
The present invention concerns a process for the preparation of a compound of formula (I) wherein R represents a Me or Et group, as well said compound in the form of any one of its stereoisomers or mixture thereof. The invention concerns also the use of compound (I) for the synthesis of β-santalol or of derivatives thereof.

REFERENCES:
patent: 2007/0053860 (2007-03-01), Eh et al.
patent: 2010/0099904 (2010-04-01), Dupau et al.
patent: 0 010 213 (1980-04-01), None
patent: WO 03/002491 (2003-01-01), None
patent: WO 2005/037243 (2005-04-01), None
patent: WO 2008/120175 (2008-10-01), None
International Search Report and Written Opinion of the International Searching Authority, Application No. PCT/IB2009/052048, Sep. 2, 2009.
Ahrendt et al., “New Strategies for Organic Catalysis: The First Highly Enantioselective Organocatalytic Diels—Alder Reaction,” J. Am. Chem. Soc., 122:4243-4244 (2000).
Brunke et al., “The Chemistry of Sandalwood Odour—A Review of the Last 10 Years,” Rivista Ital. EPOS, pp. 49-83 (1997).
Degny et al., “Déshydratation en phase liquide d'alcools bicycliques primaries,” Bulletin de la Société Chimique de France, No. 12, pp. 4770-4777 (1972).
Gotoh et al., “Diarylprolinol Silyl Ether as Catalyst of an exo-Selective, Enantioselective Diels—Alder Reaction,” Organic Letters, 9(15):2859-2862 (2007).
Hayashi et al., “Asymmetric Diels—Alder Reactions of α,β-Unsaturated Aldehydes Catalyzed by a Diarylprolinol Silyl Ether Salt in the Presence of Water,” Angew. Chem. Int. Ed., 47:6634-6637 (2008).
Joachimsmann-Dufresne et al., “Réarrangements d'ions carbonium dans la série de l'isosantène (Méthylène-2 méthyl-3 bicyclo(2.2.1)heptane),” Bulletin de la Société Chimique de France, No. 1, pp. 385-390 (1968).
Kretschmar et al., “The Total Synthesis and Geometric Configuration of d1-β-Santalol,” Tetrahedron Letters, 1:41-44 (1970).
Krotz et al., “Total Syntheses of Sandalwood Fragrances: (Z)- and (E)-β-Santalol and Their Enantiomers, ent-β-Santalene,” Tetrahedron: Asymmetry, 1(8):537-540 (1990).
Seebach et al., “On the Ti-TADDOLate-Catalyzed Diels—Alder Addition of 3-Butenoy1-1,3- oxazolindin-2-one to Cyclopentadiene. General Features of Ti-BINOLate- and Ti-TADDOLate-Mediated Reactions,” J. Org. Chem., 60:1788-1799 (1995).
Simmons et al., “Aldehyde Enol Esters as Novel Chain Terminators in Cationic Olefin Cyclizations,” Helvetica Chimica Acta, 71:1000-1004 (1988).
Snowden et al., “Stereoselective Syntheses of (±)-epi-β-Santalene and (±)-epi-β-Santalol,” Helvetica Chimica Acta, 64(1):25-32 (1981).
Takahashi et al., “A New Method for the Introduction of Carbon-Carbon Triple Bond at C-13 in PG Synthesis. A Stereocontrolled Synthesis of ZK 96 480,” J. Org. Chem., 53:1227-1231 (1988).
Wilson et al., “Enantioselective Organocatalytic Intramolecular Diels—Alder Reactions. The Asymmetric Synthesis of Solanapyrone D,” J. Am. Chem. Soc., 127:11616-11617 (2005).

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