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412026-78-9

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412026-78-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 412026-78-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,2,0,2 and 6 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 412026-78:
(8*4)+(7*1)+(6*2)+(5*0)+(4*2)+(3*6)+(2*7)+(1*8)=99
99 % 10 = 9
So 412026-78-9 is a valid CAS Registry Number.

412026-78-9Relevant articles and documents

α-Amidoaldehydes as Substrates in Rhodium-Catalyzed Intermolecular Alkyne Hydroacylation: The Synthesis of α-Amidoketones

O'Brien, Sean C.,Pal, Ritashree,Willis, Michael C.

, p. 11710 - 11714 (2020/08/03)

We show that readily available α-amidoaldehydes are effective substrates for intermolecular Rh-catalyzed alkyne hydroacylation reactions. The catalyst [Rh(dppe)(C6H5F)][BArF4] provides good reactivity, and allows a broad range of aldehydes and alkynes to be used as substrates, delivering α-amidoketone products. High yields and high levels of regioselectivity are achieved. The use of α-amidoaldehydes as substrates establishes that 1,4-dicarbonyl motifs can be used as controlling groups in Rh-catalyzed hydroacylation reactions.

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