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309927-66-0

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309927-66-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 309927-66-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,9,9,2 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 309927-66:
(8*3)+(7*0)+(6*9)+(5*9)+(4*2)+(3*7)+(2*6)+(1*6)=170
170 % 10 = 0
So 309927-66-0 is a valid CAS Registry Number.

309927-66-0Downstream Products

309927-66-0Relevant articles and documents

Broensted acid-catalyzed one-pot synthesis of indoles from o-aminobenzyl alcohols and furans

Kuznetsov, Alexey,Makarov, Anton,Rubtsov, Aleksandr E.,Butin, Alexander V.,Gevorgyan, Vladimir

, p. 12144 - 12153 (2014/01/06)

Broensted acid-catalyzed one-pot synthesis of indoles from o-aminobenzyl alcohols and furans has been developed. This method operates via the in situ formation of aminobenzylfuran, followed by its recyclization into the indole core. The method proved to be efficient for substrates possessing different functional groups, including -OMe, -CO2Cy, and -Br. The resulting indoles can easily be transformed into diverse scaffolds, including 2,3- and 1,2-fused indoles, and indoles possessing an α,β-unsaturated ketone moiety at the C-2 position.

Furan ring opening - Indole ring closure: A new modification of the Reissert reaction for indole synthesis

Butin, Alexander V.,Stroganova, Tat'yana A.,Lodina, Irina V.,Krapivin, Gennady D.

, p. 2031 - 2033 (2007/10/03)

A new modification of the Reissert reaction is reported. On treatment of 2-tosylaminobenzylfurans with ethanolic HCl, some indole derivatives have been obtained. The furan ring served as the origin of a carbonyl group in this reaction.

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