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138772-80-2

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138772-80-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138772-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,7 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 138772-80:
(8*1)+(7*3)+(6*8)+(5*7)+(4*7)+(3*2)+(2*8)+(1*0)=162
162 % 10 = 2
So 138772-80-2 is a valid CAS Registry Number.

138772-80-2Downstream Products

138772-80-2Relevant articles and documents

Nickel-Catalyzed Benzylic Substitution of Benzyl Esters with Malonates as a Soft Carbon Nucleophile

Tsuji, Hiroaki,Hashimoto, Keisuke,Kawatsura, Motoi

, p. 8837 - 8841 (2019/11/11)

The nickel-catalyzed benzylic substitution of benzyl alcohol derivatives with a soft carbon nucleophile is extremely rare compared to that with a hard carbon nucleophile. We have achieved the nickel-catalyzed benzylic substitution of benzyl esters with malonates as a soft carbon nucleophile. Primary and secondary benzyl 2,3,4,5,6-pentafluorobenzoates as well as a wide variety of malonate derivatives were well tolerated in the nickel-catalyzed reaction, providing the corresponding alkylation products in 46-86% yields (34 examples). Additionally, we propose a possible reaction mechanism that would undergo via the ??1- A nd ??3-benzylnickel intermediates.

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