Preparation of E7/Z9-alkadien-1-ols and their derivatives protec

Details Preparation of E7/Z9-alkadien-1-ols and their derivatives protec Preparation of E7/Z9-alkadien-1-ols and their derivatives protec

1989-05-19

1992-02-18

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

568878, C07C 6728, C07C 2700

Patent

active

050896598

ABSTRACT:
E7/Z9 -alkadien-1-ols which may be protected at the hydroxy group are prepared by subjecting a 7-hydroxyheptenal to a Wittig reaction with a phosphorylide to give an acetal compound which is converted by further Wittig reaction with a phosphorylide to an E7/Z9 -alkadienol.

REFERENCES:
patent: 3845108 (1974-10-01), Roelofs et al.
Liebigs Annalen Der Chemie, Sep. 1981, No. 9, Bestmann, et al., 2117-2138.
Tetrahedron Letters, No. 26, 2467-2470 (1979).
Tetrahedron Letters, vol. 21, pp. 1497-1500, Cassaui et al., ".alpha.-Pheylselenenylation of Zirconium or Aluminum Enolates", 1980.
Bulletin Society Chimique of France, 1977, pp. 941-946 Descoins et al.
Tetrahedron Letters, No. 5, pp. 411-414, 1977, Negishi et al.
Tetrahedron Letters, No. 48, pp. 4209-4212, 1975 Labovitz et al.

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