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1374448-05-1

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1374448-05-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1374448-05-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,4,4,4 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1374448-05:
(9*1)+(8*3)+(7*7)+(6*4)+(5*4)+(4*4)+(3*8)+(2*0)+(1*5)=171
171 % 10 = 1
So 1374448-05-1 is a valid CAS Registry Number.

1374448-05-1Downstream Products

1374448-05-1Relevant articles and documents

Ruthenium-catalyzed intramolecular cyclization of diazo-β-ketoanilides for the synthesis of 3-alkylideneoxindoles

Chan, Wai-Wing,Kwong, Tsz-Lung,Yu, Wing-Yiu

, p. 3749 - 3755 (2012/06/01)

With [Ru(p-cymene)Cl2]2 as catalyst, diazo-β-ketoanilides would undergo intramolecular carbenoid arene C-H bond functionalization to afford 3-alkylideneoxindoles in up to 92% yields. The reaction occurs under mild conditions and exhibits excellent chemoselectivity. The lack of primary KIE (kH/kD ~ 1) suggests that the reaction should not proceed by rate-limiting C-H bond cleavage; a mechanism involving cyclopropanation of the arene is proposed.

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