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1579293-66-5

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1579293-66-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1579293-66-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,9,2,9 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1579293-66:
(9*1)+(8*5)+(7*7)+(6*9)+(5*2)+(4*9)+(3*3)+(2*6)+(1*6)=225
225 % 10 = 5
So 1579293-66-5 is a valid CAS Registry Number.

1579293-66-5Downstream Products

1579293-66-5Relevant articles and documents

Acylammonium salts as dienophiles in diels-alder/lactonization organocascades

Abbasov, Mikail E.,Hudson, Brandi M.,Tantillo, Dean J.,Romo, Daniel

, p. 4492 - 4495 (2014/04/17)

α,I?-Unsaturated acylammonium salts, generated in situ from commodity acid chlorides and a chiral isothiourea organocatalyst, comprise a new and versatile family of chiral dienophiles for the venerable Diels-Alder (DA) cycloaddition. Their reactivity is unveiled through a highly diastereo- and enantioselective Diels-Alder/lactonization organocascade that generates cis- and trans-fused bicyclic I?- and I??-lactones bearing up to four contiguous stereocenters. Moreover, the first examples of DA-initiated, stereodivergent organocascades are described delivering complex scaffolds found in bioactive compounds. The origins of stereoselectivity are rationalized through computational studies. In addition, the utility of this methodology is demonstrated through a concise approach to the core structure of glaciolide and formal syntheses of fraxinellone, trisporic acids, and trisporols.

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