Total Synthesis of Carthamin, a Traditional Natural Red Pigment

Angewandte Chemie
Kohei AzamiKeisuke Suzuki

Abstract

The first total synthesis of carthamin (3), a historic natural red pigment, has been achieved. The molecular structure was efficiently constructed by assembling two equivalents of the in situ generated lithiated monomers and triisopropyl orthoformate. This synthesis confirms the structure proposed in 1996.

References

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Feb 16, 2007·Evolution; International Journal of Organic Evolution·Noland H Martin, John H Willis
Sep 30, 2010·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Keisuke Suzuki
Dec 15, 2012·Angewandte Chemie·Jan UrbanWerner Kaminsky
Dec 18, 2013·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Shijun YueJin-Ao Duan
May 30, 2015·Scientific Reports·Koji SaiharaAkio Shimizu
Jun 17, 2015·Physical Chemistry Chemical Physics : PCCP·Laszlo JicsinszkyGiancarlo Cravotto
Sep 21, 2017·Physical Chemistry Chemical Physics : PCCP·Akhil Pratap SinghSanjib Senapati
Dec 28, 2017·Chemical Reviews·Kei KitamuraKeisuke Suzuki

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