all-trans-(3S,3'S)-7,8,7',8'-Tetradehydroastaxanthin

Base Information

Chemical Name:all-trans-(3S,3'S)-7,8,7',8'-Tetradehydroastaxanthin
CAS No.:60536-53-0
Molecular Formula:C₄₀H₄₈O₄
Molecular Weight:592.819
Hs Code.:

Synonyms:all-trans-(3S,3'S)-7,8,7',8'-Tetradehydroastaxanthin

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Chemical Property of all-trans-(3S,3'S)-7,8,7',8'-Tetradehydroastaxanthin

Chemical Property:

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Technology Process of all-trans-(3S,3'S)-7,8,7',8'-Tetradehydroastaxanthin

There total 4 articles about all-trans-(3S,3'S)-7,8,7',8'-Tetradehydroastaxanthin which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

: all-trans-(3S,3'S)-7,8,15,7',8',15'-Hexadehydroastaxanthin

: 72523-67-2
9,9'-di-cis-(3S,3'S)-7,8,7',8'-Tetradehydroastaxanthin

: 60536-53-0
all-trans-(3S,3'S)-7,8,7',8'-Tetradehydroastaxanthin

Guidance literature:: With hydrogen; Lindlar's catalyst; In ethanol; at 20 ℃; for 0.166667h; Title compound not separated from byproducts;
DOI:10.1002/hlca.19800630618

Reference yield:

: (E)-5-((S)-4-Hydroxy-2,6,6-trimethyl-3-oxo-cyclohex-1-enyl)-3-methyl-pent-2-en-4-ynal

: 60536-53-0
all-trans-(3S,3'S)-7,8,7',8'-Tetradehydroastaxanthin

Guidance literature:: Multi-step reaction with 3 steps

1: 59.5 g / Pyridin / CH₂Cl₂ / 0.5 h / 0 °C

2: 18 percent / Natriummethylat / methanol / 1.) -5 deg C, 20 min 2.) 0 deg C, 1.5 h

3: 4 percent Chromat_. / H₂ / Lindlar-Katalysator / ethanol / 0.17 h / 20 °C

With pyridine; hydrogen; sodium methylate; Lindlar's catalyst; In methanol; ethanol; dichloromethane;
DOI:10.1002/hlca.19800630618

Reference yield:

: 64839-25-4
Phenoxyessigsaeure-<(1S,3'E)-4-(4'-formyl-3'-methyl-3'-buten-1'-inyl)-3,5,5-trimethyl-2-oxo-3-cyclohexen-1-yl>ester

: 60536-53-0
all-trans-(3S,3'S)-7,8,7',8'-Tetradehydroastaxanthin

Guidance literature:: Multi-step reaction with 2 steps

1: 18 percent / Natriummethylat / methanol / 1.) -5 deg C, 20 min 2.) 0 deg C, 1.5 h

2: 4 percent Chromat_. / H₂ / Lindlar-Katalysator / ethanol / 0.17 h / 20 °C

With hydrogen; sodium methylate; Lindlar's catalyst; In methanol; ethanol;
DOI:10.1002/hlca.19800630618