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207298-21-3

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207298-21-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 207298-21-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,2,9 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 207298-21:
(8*2)+(7*0)+(6*7)+(5*2)+(4*9)+(3*8)+(2*2)+(1*1)=133
133 % 10 = 3
So 207298-21-3 is a valid CAS Registry Number.

207298-21-3Downstream Products

207298-21-3Relevant articles and documents

Ti(O iPr)4-Enabled Dual Photoredox and Nickel-Catalyzed Arylation and Alkenylation of Cyclopropanols

Varabyeva, Nastassia,Barysevich, Maryia,Aniskevich, Yauhen,Hurski, Alaksiej

supporting information, p. 5452 - 5456 (2021/07/21)

Readily available from esters or ketones, cyclopropanols are inclined to undergo diverse ring-opening transformations. Their one-electron oxidation is a conventional way to β-carbonyl radicals. However, despite this fact, their application as a coupling partner in dual photoredox and nickel-catalyzed reactions with organic halides remains underdeveloped. Here, we report that the Ti(OiPr)4 additive enables this elusive cross-coupling with aryl and alkenyl bromides leading to β-substituted ketones.

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