Yumiko Yamano, Mahankhali Venu Chary and Akimori Wada
Org. Biomol. Chem., 2012,10, 4103-4108
DOI:
10.1039/C2OB25321F,
Paper
Stereoselective total synthesis of the C40-diacetylenic carotenoid alloxanthin (1) and the C31-acetylenic apocarotenoid triophaxanthin (2) was accomplished by Wittig condensation of C10-dialdehyde 20 or C16-keto aldehyde 19, respectively, with C15-acetylenic tri-n-butylphosphonium salt 12.