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857825-44-6

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857825-44-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857825-44-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,8,2 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 857825-44:
(8*8)+(7*5)+(6*7)+(5*8)+(4*2)+(3*5)+(2*4)+(1*4)=216
216 % 10 = 6
So 857825-44-6 is a valid CAS Registry Number.

857825-44-6Relevant articles and documents

Manganese(III) Porphyrin-Catalyzed Dehydrogenation of Alcohols to form Imines, Tertiary Amines and Quinolines

Azizi, Kobra,Akrami, Sedigheh,Madsen, Robert

, p. 6439 - 6446 (2019)

Manganese(III) porphyrin chloride complexes have been developed for the first time as catalysts for the acceptorless dehydrogenative coupling of alcohols and amines. The reaction has been applied to the direct synthesis of imines, tertiary amines and quinolines where only hydrogen gas and/or water are formed as the by-product(s). The mechanism is believed to involve the formation of a manganese(III) alkoxide complex which degrades into the aldehyde and a manganese(III) hydride species. The latter reacts with the alcohol to form hydrogen gas and thereby regenerates the alkoxide complex.

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