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877869-48-2

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877869-48-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 877869-48-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,7,8,6 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 877869-48:
(8*8)+(7*7)+(6*7)+(5*8)+(4*6)+(3*9)+(2*4)+(1*8)=262
262 % 10 = 2
So 877869-48-2 is a valid CAS Registry Number.

877869-48-2Relevant articles and documents

Synthesis of Highly Substituted Furans by a Cascade of Formal anti-Carbopalladation/Hydroxylation and Elimination

Schitter, Theresa,Roy, Naveen J.,Jones, Peter G.,Werz, Daniel B.

, p. 640 - 643 (2019)

Highly substituted furans are generated by a cascade of formal anti-carbopalladation, attack of a nucleophilic hydroxy group, and aromatization by elimination of the emerging dihydrofuran derivative. Mono-, di-, and trisubstituted furans were obtained in good to excellent yields. When we attempted to access tetrasubstituted furan derivatives, an additional rearrangement was observed that resulted in the formation of chromenes. Follow-up chemistry shows the utility of TMS as a protecting group for the alkyne moiety.

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