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24097-72-1

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24097-72-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 24097-72-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,0,9 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 24097-72:
(7*2)+(6*4)+(5*0)+(4*9)+(3*7)+(2*7)+(1*2)=111
111 % 10 = 1
So 24097-72-1 is a valid CAS Registry Number.

24097-72-1Relevant articles and documents

A C-H Insertion Approach to Functionalized Cyclopentenones

Wang, Youliang,Zarca, Maxence,Gong, Liu-Zhu,Zhang, Liming

supporting information, p. 7516 - 7519 (2016/07/06)

Cyclopentenones are synthetically versatile structures, and their straightforward construction from alkynone substrates by employing synthetically streamlining C-H insertion is conceptually appealing and of high synthetic potential. But, its implementation is very limited. Herein we report a Au-catalyzed version, which affords 2-bromocyclopent-2-en-1-ones with a broad scope and synthetically desirable diastereoselectivities. The proposed key intermediate capable of the observed insertion into unactivated C-H bonds is a fully functionalized gold vinylidene, which is generated via a novel intermolecular strategy. This flexible access of likely gold vinylidenes opens various opportunities to explore their versatile reactivities.

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