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25649-41-6

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25649-41-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25649-41-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,6,4 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 25649-41:
(7*2)+(6*5)+(5*6)+(4*4)+(3*9)+(2*4)+(1*1)=126
126 % 10 = 6
So 25649-41-6 is a valid CAS Registry Number.

25649-41-6Relevant articles and documents

Nickel-Catalyzed Deoxycyanation of Activated Phenols via Cyanurate Intermediates with Zn(CN)2: A Route to Aryl Nitriles

Heravi, Majid M.,Panahi, Farhad,Iranpoor, Nasser

, p. 2753 - 2756 (2018)

A novel, and efficient nickel-catalyzed deoxycyanation of phenolic compounds using relatively nontoxic Zn(CN)2 as the cyanide source was developed. The reaction of C-O bond activated phenolic compounds by 2,4,6-trichloro-1,3,5-triazine with Zn(CN)2 in the presence of a nickel precatalyst afforded the aromatic nitriles in good to excellent yields.

Nickel-catalyzed one-pot synthesis of biaryls from phenols and arylboronic acids via C-O activation using TCT reagent

Iranpoor, Nasser,Panahi, Farhad,Jamedi, Fereshteh

, p. 6 - 10 (2015/03/05)

In this study, the direct Nickel-catalyzed Suzuki-Miyaura coupling reaction of phenols and arylboronic acids via C-O bond activation using 2,4,6-trichloro-1,3,5-triazine (TCT) is described. Initially, phenols were reacted with TCT to give the corresponding 2,4,6-triaryloxy-1,3,5-triazine (TAT) products. Subsequently, arylboronic acid, base and Ni-catalyst were added to the generated aryl C-O electrophile to obtain the final biaryl product. This study represents a simple and direct method for the synthesis of biaryls from phenolic compounds using sub-stoichiometric amounts of TCT as a cheap and readily available C-O activating reagent.

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