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1624363-20-7

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1624363-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1624363-20-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,4,3,6 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1624363-20:
(9*1)+(8*6)+(7*2)+(6*4)+(5*3)+(4*6)+(3*3)+(2*2)+(1*0)=147
147 % 10 = 7
So 1624363-20-7 is a valid CAS Registry Number.

1624363-20-7Downstream Products

1624363-20-7Relevant articles and documents

Silver(I)-catalyzed hydroazidation of ethynyl carbinols: Synthesis of 2-azidoallyl alcohols

Liu, Zhenhua,Liu, Jianquan,Zhang, Lin,Liao, Peiqiu,Song, Jinna,Bi, Xihe

supporting information, p. 5305 - 5309 (2014/06/09)

The hydroazidation of alkynes is the most straightforward pathway to synthetically useful vinyl azides. However, a general hydroazidation of alkynes remains elusive. Herein, a chemo- and regioselective transformation of ethynyl carbinols into vinyl azides is described. This reaction produces a wide variety of 2-azidoallyl alcohols with high efficiency and in good to excellent yields. These compounds constitute a new class of densely functionalized synthetic intermediates. Their synthetic potential has been demonstrated by further transformations into NH aziridines. The mechanistic aspects of the reaction will attract the attention of chemists working on alkyne chemistry and silver catalysis. The findings that are described in this paper represent significant advances in the regioselective hydroelementation of alkynes and open a new reaction manifold for exploitation. Azides and aziridines: The hydroazidation of unactivated alkynes by means of silver catalysis is described. A variety of ethynyl carbinols are capable of reacting with trimethylsilyl azide to produce 2-azidoallyl alcohols in good to excellent yields. The synthetic utility of 2-azidoallyl alcohols was demonstrated by further conversion into NH aziridines.

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