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473-08-5

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473-08-5 Usage

Uses

(+)-α-Cyperone is used as an anti-inflammatory agent, isolated from the rhizomes of Cyperus rotundus.

Check Digit Verification of cas no

The CAS Registry Mumber 473-08-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,7 and 3 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 473-08:
(5*4)+(4*7)+(3*3)+(2*0)+(1*8)=65
65 % 10 = 5
So 473-08-5 is a valid CAS Registry Number.
InChI:InChI=1/C15H22O/c1-10(2)12-5-7-15(4)8-6-14(16)11(3)13(15)9-12/h12H,1,5-9H2,2-4H3/t12-,15+/m1/s1

473-08-5Relevant articles and documents

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Roberts,D.L.

, p. 2077 - 2080 (1972)

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Scalable and sustainable electrochemical allylic C-H oxidation

Horn, Evan J.,Rosen, Brandon R.,Chen, Yong,Tang, Jiaze,Chen, Ke,Eastgate, Martin D.,Baran, Phil S.

, p. 77 - 81 (2016/06/01)

New methods and strategies for the direct functionalization of C-H bonds are beginning to reshape the field of retrosynthetic analysis, affecting the synthesis of natural products, medicines and materials. The oxidation of allylic systems has played a prominent role in this context as possibly the most widely applied C-H functionalization, owing to the utility of enones and allylic alcohols as versatile intermediates, and their prevalence in natural and unnatural materials. Allylic oxidations have featured in hundreds of syntheses, including some natural product syntheses regarded as € classics €. Despite many attempts to improve the efficiency and practicality of this transformation, the majority of conditions still use highly toxic reagents (based around toxic elements such as chromium or selenium) or expensive catalysts (such as palladium or rhodium). These requirements are problematic in industrial settings; currently, no scalable and sustainable solution to allylic oxidation exists. This oxidation strategy is therefore rarely used for large-scale synthetic applications, limiting the adoption of this retrosynthetic strategy by industrial scientists. Here we describe an electrochemical C-H oxidation strategy that exhibits broad substrate scope, operational simplicity and high chemoselectivity. It uses inexpensive and readily available materials, and represents a scalable allylic C-H oxidation (demonstrated on 100 grams), enabling the adoption of this C-H oxidation strategy in large-scale industrial settings without substantial environmental impact.

Stereoselective total synthesis of (-)-α-eudesmol, a P/Q-type calcium channel blocker

Aoyama,Araki,Konoike

, p. 1452 - 1454 (2007/10/03)

Practical and stereoselective total synthesis of (-)-αeudesmol 1, a P/Q-type calcium channel blocker, has been achieved with the key step being a cyclopropane ring opening accompanying introduction of a hydroxyl group. (+)-Carissone is used as a key intermediate.

An efficient asymmetric route to eudesmane acids. Total synthesis of (+)-12-hydroxy-α-cyperone, (+)-12-oxo-α-cyperone and (+)-3-oxoeudesma-4,11(13)-dien-12-oic acid

Xiong, Zhaoming,Yang, Jiong,Li, Yulin

, p. 2607 - 2612 (2007/10/03)

An efficient asymmetric synthesis of (+)-3-oxoeudesma-4,11(13)-dien-12-oic acid 4, (+)-12-hydroxy-α-cyperone 6 and (+)-12-oxo-α-cyperone 7 from (+)-dihydrocarvone 5 is described, which involves a novel diastereoselective preparation of (+)-α-cyperone 8.

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