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42091-31-6

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42091-31-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42091-31-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,0,9 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 42091-31:
(7*4)+(6*2)+(5*0)+(4*9)+(3*1)+(2*3)+(1*1)=86
86 % 10 = 6
So 42091-31-6 is a valid CAS Registry Number.

42091-31-6Downstream Products

42091-31-6Relevant articles and documents

Comparative Catalytic Activity of Group 9 [CpMIII] Complexes: Cobalt-Catalyzed C-H Amidation of Arenes with Dioxazolones as Amidating Reagents

Park, Juhyeon,Chang, Sukbok

, p. 14103 - 14107 (2015)

A procedure for the [CpCoIII]-catalyzed direct C-H amidation of arenes with dioxazolone has been developed. This reaction proceeds under straightforward and mild conditions with a broad range of substrates, including anilides. A comparative study on the catalytic activity of Group 9 [{CpMCl2}2] complexes revealed the unique efficiency of the cobalt catalyst. Pick of the bunch: A variety of arenes, including anilides, underwent direct C-H amidation with dioxazolones in the presence of a cobalt catalyst with a Cp? ligand under mild and straightforward reaction conditions (see scheme; Piv=pivaloyl). A comparative study of Group 9 [CpMIII] complexes revealed the unique ability of the cobalt catalyst to promote this transformation efficiently.

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