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899788-93-3

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899788-93-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 899788-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,9,7,8 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 899788-93:
(8*8)+(7*9)+(6*9)+(5*7)+(4*8)+(3*8)+(2*9)+(1*3)=293
293 % 10 = 3
So 899788-93-3 is a valid CAS Registry Number.

899788-93-3Downstream Products

899788-93-3Relevant articles and documents

Synthesis of 2-Pyridinemethyl Ester Derivatives from Aldehydes and 2-Alkylheterocycle N-Oxides via Copper-Catalyzed Tandem Oxidative Coupling-Rearrangement

Wang, Chang-Sheng,Roisnel, Thierry,Dixneuf, Pierre H.,Soulé, Jean-Fran?ois

supporting information, p. 6720 - 6723 (2017/12/26)

Successful benzylic C(sp3)-H acyloxylation of 2-alkylpyridine, 2-alkylpyrazine, and 2-alkylthiazole compounds was achieved using simple aldehydes. This was carried out via a copper-catalyzed tandem reaction, involving oxidative esterification followed by O-atom transfer of the resultant high yield formed Boekelheide intermediate. The method enables the preparation of functional heterocycles and the desymmetrization of 2,6-dialkylpyridines for efficient synthesis of dissymmetric pincer ligands, thus offering a new life for more practical Boekelheide rearrangement.

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