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391225-81-3

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391225-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 391225-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,1,2,2 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 391225-81:
(8*3)+(7*9)+(6*1)+(5*2)+(4*2)+(3*5)+(2*8)+(1*1)=143
143 % 10 = 3
So 391225-81-3 is a valid CAS Registry Number.

391225-81-3Downstream Products

391225-81-3Relevant articles and documents

Cu/TEMPO catalyzed dehydrogenative 1,3-dipolar cycloaddition in the synthesis of spirooxindoles as potential antidiabetic agents

Babu, Spoorthy N.,Daniel, J. Arul,Devi, S. Asha,Nawaz Khan, Fazlur Rahman,Noor, Ayesha,Teja, Chitrala

, p. 12262 - 12271 (2020/04/20)

A series of spiro-[indoline-3,3′-pyrrolizin/pyrrolidin]-2-ones, 4, 5 and 6 were synthesized in a sequential manner from Cu-TEMPO catalyzed dehydrogenation of alkylated ketones, 1 followed by 1,3-dipolar cycloaddition of azomethine ylides via decarboxylative condensation of isatin, 2 and l-proline/sarcosine, 3 in high regioselectivities and yields. The detailed mechanistic studies were performed to identify the reaction intermediates, which revealed that the reaction proceeds via dehydrogenative cycloaddition. Additionally, the regio and stereochemistry of the synthesized derivatives were affirmed by 2D NMR spectroscopic studies. The synthesized derivatives were explored further with molecular docking, in vitro antioxidant, and anti-diabetic activities.

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