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1-methyl-4-phenyl-2,3-diazaspiro<4.4>nona-1,3-diene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

72157-59-6

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72157-59-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72157-59-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,5 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72157-59:
(7*7)+(6*2)+(5*1)+(4*5)+(3*7)+(2*5)+(1*9)=126
126 % 10 = 6
So 72157-59-6 is a valid CAS Registry Number.

72157-59-6Downstream Products

72157-59-6Relevant academic research and scientific papers

Diastereo- and regioselective synthesis of diquinanes and related systems from tricyclo[3.3.0.02,4]octanes by chemical electron transfer (CET)

Adam,Heidenfelder,Sahin

, p. 1163 - 1170 (2007/10/02)

A new synthetic methodology for diquinanes by one-electron oxidation of tricyclo[3.3.0.02,4]octanes and subsequent stereocontrolled rearrangement is provided. The latter compounds are conveniently accessible through acid-catalyzed isopyrazole cycloaddition, followed by hydrogenation and photoextrusion of molecular nitrogen. The oxidative rearrangement of the tricyclooctanes proceeds catalytically and cleanly to afford regio- and diastereoselectively the corresponding diquinanes.

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