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72002-36-9

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72002-36-9 Usage

General Description

(3S,3'S)-zeaxanthin is a carotenoid pigment found in plants, algae, and microorganisms. It is a stereoisomer of zeaxanthin, and is known for its antioxidant properties. It is a yellow pigment that is commonly found in fruits and vegetables, such as peppers, corn, and egg yolks. In the human body, zeaxanthin is primarily found in the macula of the eye, where it acts as a natural blue light filter and helps protect the retina from damage. Some research has also suggested that zeaxanthin may have benefits for eye health, including reducing the risk of age-related macular degeneration. Overall, (3S,3'S)-zeaxanthin is an important compound that plays a key role in human health and nutrition.

Check Digit Verification of cas no

The CAS Registry Mumber 72002-36-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,0,0 and 2 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 72002-36:
(7*7)+(6*2)+(5*0)+(4*0)+(3*2)+(2*3)+(1*6)=79
79 % 10 = 9
So 72002-36-9 is a valid CAS Registry Number.

72002-36-9Relevant articles and documents

Chemoenzymatic Synthesis of all-trans-Isomers of Lutein and Zeaxanthin

Kuregyan, A. G.,Oganesyan, E. T.,Pechinsky, S. V.

, p. 1674 - 1679 (2021/11/01)

Abstract: A method for the synthesis of all-trans-isomers of lutein and zeaxanthin has been proposed, which includes the stage of esterification of lutein and zeaxanthin with benzoic acid in the presence of enantioselective lipase Novozyme 435. Further hydrolysis of lutein and zeaxanthin dibenzoates has led to the formation of the initial xanthophylls in the all-trans configuration.

Bidirectional Hiyama–Denmark Cross-Coupling Reactions of Bissilyldeca-1,3,5,7,9-pentaenes for the Synthesis of Symmetrical and Non-Symmetrical Carotenoids

Rivas, Aurea,Pérez-Revenga, Víctor,Alvarez, Rosana,de Lera, Angel R.

, p. 14399 - 14407 (2019/11/03)

The construction of the carotenoid skeleton by Pd-catalyzed Csp2?Csp2 cross-coupling reactions of symmetrical and non-symmetrical 1,10-bissilyldeca-1,3,5,7,9-pentaenes and the corresponding complementary alkenyl iodides has been developed. Reaction conditions for these bidirectional and orthogonal Hiyama–Denmark cross-coupling reactions of bisfunctionalized pentaenes are mild and the carotenoid products preserve the stereochemical information of the corresponding oligoene partners. The carotenoids synthesized in this manner include β,β-carotene and (3R,3′R)-zeaxanthin (symmetrical) as well as 9-cis-β,β-carotene, 7,8-dihydro-β,β-carotene and β-cryptoxanthin (non-symmetrical).

Process or synthesis of (3S)- and (3R)-3-hydroxy-beta-ionone, and their transformation to zeaxanthin and beta-cryptoxanthin

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Page/Page column 27-28, (2012/07/27)

Disclosed is a process for the synthesis of (3R)-3-hydroxy-β-ionone and its (3S)-enantiomer in high optical purity from commercially available (rac)-α-ionone. The key intermediate for the synthesis of these hydroxyionones is 3-keto-α-ionone ketal that was prepared from (rac)-α-ionone after protection of this ketone as a 1,3-dioxolane. Reduction of 3-keto-α-ionone ketal followed by deprotection, lead to 3-hydroxy-α-ionone that was transformed into (rac)-3-hydrox-β-ionone by base-catalyzed double bond isomerization in 46% overall yield from (rac)-α-ionone. The racemic mixture of these hydroxyionones was then resolved by enzyme-mediated acylation in 96% ee. (3R)-3-Hydroxy-β-ionone and its (3S)-enantiomer were respectively transformed to (3R)-3-hydroxy-(β-ionylideneethyl)triphenylphosphonium chloride [(3R)-C15-Wittig salt] and its (3S)-enantiomer [(3S)-C15-Wittig salt] according to known procedures. Double Wittig condensation of these Wittig salts with commercial available 2,5- dimethtylocta-2,4,6-triene-1,8-dial provided all 3 stereoisomers of zeaxanthin. Similarly, (3R)-C15-Wittig and its (3S)-enantiomer were each coupled with β-apo-12′-carotenal.

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