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122706-39-2

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122706-39-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122706-39-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,7,0 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 122706-39:
(8*1)+(7*2)+(6*2)+(5*7)+(4*0)+(3*6)+(2*3)+(1*9)=102
102 % 10 = 2
So 122706-39-2 is a valid CAS Registry Number.

122706-39-2Downstream Products

122706-39-2Relevant articles and documents

Regioselective Formation of Hydroxy Lactams from Pyridine-2,3-dicarboximides and their Cyclodehydration to Pyridopyrrolo-fused Heterocyclic Systems

Hitchings, Gregory J.,Vernon, John M.

, p. 1757 - 1763 (2007/10/02)

Grignard reactions of pyridine-2,3-dicarboximides involve attack at the carbonyl group closer to the pyridine nitrogen atom to give 7-hydroxypyrrolopyridin-5(7H)-one derivatives.Reduction of the same imides with sodium borohydride gives mixtures of regiosomeric hydroxy lactams, in which the 7-hydroxypyrrolopyridin-5-ones are the major components.Hydroxy lactams derived by either of these two methods from pyridine-2,3-dicarboximides containing N-benzyl, N-2-phenylethyl, N-2-(indol-3-yl)ethyl, or N-biphenyl-2-yl substituents are cyclised by heating in trifluoroacetic or polyphosphoric acid to give derivatives of new pyridopyrrolo-fused heterocyclic systems.

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