Tetrahedron Letters p. 8091 - 8092 (1993)
Update date:2022-07-30
Topics:
Andriamialisoa, Zo
Valla, Alain
Zennache, Sakina
Giraud, Michel
Potier, Pierre
The "C-18 ketone" 1, key intermediate for vitamin A synthesis, is prepared in a few steps from β-ionone 3 via β-ionylidene acetonitrile 2 (32% overall yield).
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(1954)
