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1242772-59-3

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1242772-59-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1242772-59-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,7,7 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1242772-59:
(9*1)+(8*2)+(7*4)+(6*2)+(5*7)+(4*7)+(3*2)+(2*5)+(1*9)=153
153 % 10 = 3
So 1242772-59-3 is a valid CAS Registry Number.

1242772-59-3Downstream Products

1242772-59-3Relevant articles and documents

Catalytic C-H bond stannylation: A new regioselective pathway to C-Sn bonds via C-H bond functionalization

Doster, Meghan E.,Hatnean, Jillian A.,Jeftic, Tamara,Modi, Sunjay,Johnson, Samuel A.

, p. 11923 - 11925 (2010)

The ubiquitous Stille coupling reaction utilizes Sn-C bonds and is of great utility to organic chemists. Unlike the B-C bonds used in the Miyaura-Suzuki coupling reaction, which are readily obtained via direct borylation of C-H bonds, routes to organotin compounds via direct C-H bond functionalization are lacking. Here we report that the nickel-catalyzed reaction of fluorinated arenes and pyridines with vinyl stannanes does not provide the expected vinyl compounds via C-F activation but rather provides new Sn-C bonds via C-H functionalization with the loss of ethylene. This mechanism provides a new unanticipated methodology for the direct conversion of C-H bonds to carbon-heteroatom bonds.

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