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1432740-96-9

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1432740-96-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1432740-96-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,2,7,4 and 0 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1432740-96:
(9*1)+(8*4)+(7*3)+(6*2)+(5*7)+(4*4)+(3*0)+(2*9)+(1*6)=149
149 % 10 = 9
So 1432740-96-9 is a valid CAS Registry Number.

1432740-96-9Downstream Products

1432740-96-9Relevant articles and documents

Metal-free decarboxylative Hetero-Diels-Alder synthesis of 3-hydroxypyridines: A rapid access to N-fused bicyclic hydroxypiperidine scaffolds

Jouanno, Laurie-Anne,Di Mascio, Vincent,Tognetti, Vincent,Joubert, Laurent,Sabot, Cyrille,Renard, Pierre-Yves

, p. 1303 - 1319 (2014/03/21)

A complete experimental and theoretical study of the thermally controlled metal-free decarboxylative hetero-Diels-Alder (HDA) reaction of 5-alkoxyoxazoles with acrylic acid is reported. This strategy offers a new entry to valuable 2,6-difunctionalized 3-hydroxypyridines from readily available 2- and 4-disubstituted 5-alkoxyoxazoles. The reaction conditions proved compatible with, among others, ketone, amide, ester, ether, and nitrile groups. The broad functional group tolerance of the protocol allows a rapid and versatile access to both hydroxyindolizidine and hydroxyquinolizidine derivatives via a pyridine dearomatization strategy.

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