Tetrahedron Letters p. 9235 - 9237 (1999)
Update date:2022-08-04
Topics:
Valla, Alain
Andriamialisoa, Zo
Giraud, Michel
Prat, Virginie
Laurent, Alain
Potier, Pierre
A stereoselective synthesis of 13Z retinoic acids via β-methylenealdehydes is described. In methylene-de-oxo-bisubstitution reactions (Knoevenagel, Stobbe, etc.), these new synthons produce stereoselectively E olefins. Hence, a synthesis of 13Z retinoic acids is described, via a stereospecific monodecarboxylation of carboxy-14-retinoic acids.
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