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1610032-21-7

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1610032-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1610032-21-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,0,0,3 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1610032-21:
(9*1)+(8*6)+(7*1)+(6*0)+(5*0)+(4*3)+(3*2)+(2*2)+(1*1)=87
87 % 10 = 7
So 1610032-21-7 is a valid CAS Registry Number.

1610032-21-7Downstream Products

1610032-21-7Relevant articles and documents

Cleavage of the C=N bond in carbodiimides via release of high ring strain: A new strategy for the selective synthesis of 2-aminoaryl alkynyl imines

Zhou, Yi,Chi, Yue,Zhao, Fei,Zhang, Wen-Xiong,Xi, Zhenfeng

, p. 2463 - 2468 (2014)

A novel pattern of the cleavage and reorganization of C=N bond in the multicomponent reaction (MCR) of terminal alkynes or haloalkynes, carbodiimides, and benzynes is achieved for the first time to construct efficiently 2-aminoaryl alkynyl imines. The selective formation and ring-opening of the azetine intermediate with the high ring strain is essential for this reaction. Further transformation of 2-aminoaryl alkynyl imines via the Cu-catalyzed cycloisomerization is explored to provide steroselectively the bi-, tri-, and tetracyclic fused pyrrolines. A novel pattern in the cleavage and reorganization of the C=N bond in the multicomponent reaction of terminal alkynes or haloalkynes, carbodiimides, and benzynes is achieved for the first time to construct efficiently 2-aminoaryl alkynyl imines. The selective formation and ring-opening of the azetine intermediate with high ring strain is essential for this reaction (see scheme; Tf=trifluoromethanesulfonyl, TMS=trimethylsilyl). Copyright

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