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932725-54-7

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932725-54-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 932725-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,2,7,2 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 932725-54:
(8*9)+(7*3)+(6*2)+(5*7)+(4*2)+(3*5)+(2*5)+(1*4)=177
177 % 10 = 7
So 932725-54-7 is a valid CAS Registry Number.

932725-54-7Downstream Products

932725-54-7Relevant articles and documents

Metal-Free Tandem Rearrangement/Lactonization: Access to 3,3-Disubstituted Benzofuran-2-(3H)-ones

Santi, Micol,Ould, Darren M. C.,Wenz, Jan,Soltani, Yashar,Melen, Rebecca L.,Wirth, Thomas

, p. 7861 - 7865 (2019/04/25)

A novel metal-free synthesis of 3,3-disubstituted benzofuran-2-(3H)-ones through reacting α-aryl-α-diazoacetates with triarylboranes is presented. Initially, triarylboranes were successfully investigated in α-arylations of α-diazoacetates, however in the presence of a heteroatom in the ortho position, the boron enolate intermediate undergoes an intramolecular rearrangement to form a quaternary center. The intermediate cyclizes to afford valuable 3,3-disubstituted benzofuranones in good yields.

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