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Total synthesis of cucurbitaxanthin A, cycloviolaxanthin and capsanthin 3,6-epoxide by applying a regioselective ring opening of tetrasubstituted epoxides
Yumiko Yamano, Masayoshi Ito and Akimori Wada Org. Biomol. Chem., 2008,6, 3421-3427
DOI:
10.1039/B807482H,
Paper
The synthesis of 3,6-epoxycarotenoidscucurbitaxanthin A 1, cycloviolaxanthin2 and capsanthin 3,6-epoxide3, was accomplished via the C15-3,6-epoxides 20e and 20f, prepared by the regioselective ring opening of the 3-hydroxy-5,6-epoxides 10e and 10f.