72523-68-3

Upstream product

• 5056-17-7 (2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial 
• 209615-09-8 2,2'-(1,6-Dimethyl-1,3,5-hexatrienylen)bis(5,5-dimethyl-1,3-dioxan) 
• 80713-45-7 7-(5,5-Dimethyl-1,3-dioxan-2-yl)-2,7-dimethyl-2,4,6-octatrienal 

Downstream Products

• 72523-65-0 9-cis-(3S,3'S)-7,8-Didehydroastaxanthin 
• 63309-12-6 9-cis-(3S,3'S)-7,8-Didehydroastaxanthin-diacetat 
• 123159-05-7 (6S)-6-oleyloxy-3-[(all-E)-18-[(4S)-4-hydroxy-2,6,6-trimethyl-3-oxo-1-cyclohexenyl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethyl-1-cyclohex-2-enone 
• 472-61-7 (3S,3'S)-astaxanthin 

Relevant academic research and scientific papers

METHODS FOR SYNTHESIS OF CHIRAL INTERMEDIATES OF CAROTENOIDS, CAROTENOID ANALOGS, AND CAROTENOID DERIVATIVES

A method used for synthesizing intermediates for use in the synthesis of carotenoids and carotenoid analogs, and/or carotenoid derivatives. In some embodiments, the invention includes methods for synthesizing optically active intermediates useful for the synthesis of optically active carotenoids.

Synthese von optisch aktiven, natuerlichen Carotinoiden und strukturell verwandten Naturprodukten. IX. Synthese von (3R)-Hydroxyechinenon, (3R,3'R)- und (3R,3'S)-Adonixanthin, (3R)-Adonirubin, deren optischen Antipoden und verwandten Verbindungen

The synthesis of racemic and optically active hydroxyechinenone (12-14), adonixanthin (16-19), adonirubin (22-24), meso-astaxanthin (26) and their corresponding diosphenols (15, 20, 21, 25, 27, 28, and 29) by Wittig reaction is reported, starting from suitable C15-phosphonium salts and C10-aldehydes.