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1421194-13-9

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1421194-13-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1421194-13-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,1,9 and 4 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1421194-13:
(9*1)+(8*4)+(7*2)+(6*1)+(5*1)+(4*9)+(3*4)+(2*1)+(1*3)=119
119 % 10 = 9
So 1421194-13-9 is a valid CAS Registry Number.

1421194-13-9Downstream Products

1421194-13-9Relevant articles and documents

[Pd(PPh3)2 (saccharinate)2]- general catalyst for Suzuki-Miyaura, Negishi cross-coupling and C-H bond functionalization of coumaryl and pyrone substrates

Shah, Parin,Santana, M. Dolores,García, Joaquín,Serrano, J. Luis,Naik, Minal,Pednekar, Suhas,Kapdi, Anant R.

, p. 1446 - 1453 (2013/02/25)

The potential of complex [Pd(PPh3)2(saccharinate) 2] 1 in catalyzing Suzuki-Miyaura cross-coupling of 4-halo and 4-bromomethyl coumaryl and pyrone substrates with different aryl boronic acids has been explored. Excellent yields of the desired products are obtained in competitive reaction time and under relatively mild conditions. Negishi cross-coupling of 4-coumaryl tosylate with aryl and alkylzinc reagents has also been performed with good yields of the cross-coupled products obtained in most cases. Intra-molecular C-H bond functionalization of coumaryl ethers also furnished very high yields of synthetically attractive tetracyclic ring systems exhibiting the potential of 1 as a powerful catalyst in synthetically important reactions.

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