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1325713-83-4

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1325713-83-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1325713-83-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,5,7,1 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1325713-83:
(9*1)+(8*3)+(7*2)+(6*5)+(5*7)+(4*1)+(3*3)+(2*8)+(1*3)=144
144 % 10 = 4
So 1325713-83-4 is a valid CAS Registry Number.

1325713-83-4Relevant articles and documents

Copper-mediated oxidative transformation of N-allyl enamine carboxylates toward synthesis of azaheterocycles

Toh, Kah Kah,Biswas, Anup,Wang, Yi-Feng,Tan, Yun Yun,Chiba, Shunsuke

supporting information, p. 6011 - 6020 (2014/05/20)

A method for synthesis of 3-azabicyclo[3.1.0]hex-2-enes has been developed by intramolecular cyclopropanation of readily available N-allyl enamine carboxylates. Two complementary reaction conditions, CuBr-mediated aerobic and CuBr2-catalyzed-PhIO2-mediated systems effectively induced stepwise cyclopropanation via carbocupration of alkenes. Oxidative cyclopropane ring-opening of 5-substituted 3-azabicyclo[3.1.0]hex-2-enes was also developed for synthesis of highly substituted pyridines. In addition, diastereoselective reduction of 3-azabicyclo[3.1.0]hex-2-enes to 3-azabicyclo[3.1.0]hexanes was achieved using NaBH3CN in the presence of acetic acid.

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