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(3'R)-(E)-1-methoxycarbonyl-3-(4-nitro-1,3-diphenylbutylidene)indolin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1394253-37-2

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1394253-37-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1394253-37-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,4,2,5 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1394253-37:
(9*1)+(8*3)+(7*9)+(6*4)+(5*2)+(4*5)+(3*3)+(2*3)+(1*7)=172
172 % 10 = 2
So 1394253-37-2 is a valid CAS Registry Number.

1394253-37-2Upstream product

1394253-37-2Relevant academic research and scientific papers

Bifunctional cinchona alkaloid/thiourea catalyzes direct and enantioselective vinylogous Michael addition of 3-alkylidene oxindoles to nitroolefins

Curti, Claudio,Rassu, Gloria,Zambrano, Vincenzo,Pinna, Luigi,Pelosi, Giorgio,Sartori, Andrea,Battistini, Lucia,Zanardi, Franca,Casiraghi, Giovanni

supporting information; experimental part, p. 6200 - 6204 (2012/08/07)

Vinylogy: Advances in asymmetric catalysis using the bifunctional cinchona alkaloid/thioureas enabled an umpolung of the classical Cβ reactivity of 3-alkylidene oxindoles, thus allowing the development of the first and sole example of a direct, organocatalytic asymmetric vinylogous Michael (AVM) reaction with nitroolefins. Copyright

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