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Carotenoids and related polyenes. Part 5.1 Lewis acid-promoted stereoselective rearrangement of 5,6-epoxy carotenoid model compounds

1998; Issue: 16 Linguagem: Inglês

10.1039/a803116i

2050-8255

Yumiko Yamano, Chisato Tode, Masayoshi Ito,

Marine Sponges and Natural Products

The novel acyclic tetrasubstituted olefinic end group and the cyclopentyl end group of carotenoids were obtained by Lewis acid-promoted stereoselective rearrangement of the epoxide end group of 5,6-epoxy carotenoids. The scope and limitation of this rearrangement were investigated.