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226417-31-8

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226417-31-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 226417-31-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,4,1 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 226417-31:
(8*2)+(7*2)+(6*6)+(5*4)+(4*1)+(3*7)+(2*3)+(1*1)=118
118 % 10 = 8
So 226417-31-8 is a valid CAS Registry Number.

226417-31-8Downstream Products

226417-31-8Relevant articles and documents

Thioether-Directed NiH-Catalyzed Remote γ-C(sp3)-H Hydroamidation of Alkenes by 1,4,2-Dioxazol-5-ones

Chen, Qishu,Du, Bingnan,Ouyang, Yuxin,Yu, Wing-Yiu

, p. 14962 - 14968 (2021/09/29)

A NiH-catalyzed thioether-directed cyclometalation strategy is developed to enable remote methylene C-H bond amidation of unactivated alkenes. Due to the preference for five-membered nickelacycle formation, the chain-walking isomerization initiated by the NiH insertion to an alkene can be terminated at the γ-methylene site remote from the alkene moiety. By employing 2,9-dibutyl-1,10-phenanthroline as the ligand and dioxazolones as the reagent, the amidation occurs at the γ-C(sp3)-H bonds to afford the amide products in up to 90% yield (>40 examples) with remarkable regioselectivity (up to 24:1 rr).

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