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906371-79-7

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906371-79-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 906371-79-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,6,3,7 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 906371-79:
(8*9)+(7*0)+(6*6)+(5*3)+(4*7)+(3*1)+(2*7)+(1*9)=177
177 % 10 = 7
So 906371-79-7 is a valid CAS Registry Number.

906371-79-7Relevant articles and documents

Synthesis of imidazo[4,5-b]pyridines and imidazo[4,5-b]pyrazines by palladium catalyzed amidation of 2-chloro-3-amino-heterocycles

Rosenberg, Adam J.,Zhao, Jinbo,Clark, Daniel A.

, p. 1764 - 1767 (2012/05/20)

A facile synthesis of imidazo[4,5-b]pyridines and-pyrazines is described using a Pd-catalyzed amide coupling reaction. This reaction provides quick access to products with substitution at N1 and C2. A model system relevant to the natural product pentosidi

Efficient access to cyclic ureas via Pd-catalyzed cyclization

McLaughlin, Mark,Palucki, Michael,Davies, Ian W.

, p. 3311 - 3314 (2007/10/03)

An efficient regioselective method for the preparation of structurally diverse imidazopyridinones and benzoimidazolones starting from readily available and economical starting materials is described. High-yielding reductive alkylation of electron-deficient o-haloarylamines followed by treatment with inexpensive N-chlorosulfonyl isocyanate afforded primary ureas in good overall yields. A Pd-catalyzed urea cyclization reaction furnished imidazopyridinones and benzoimidazolones in excellent yields. Overall, the developed chemistry provides rapid access to pharmaceutically important heterocyclic compounds with high efficiency.

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