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1617497-25-2

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1617497-25-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1617497-25-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,7,4,9 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1617497-25:
(9*1)+(8*6)+(7*1)+(6*7)+(5*4)+(4*9)+(3*7)+(2*2)+(1*5)=192
192 % 10 = 2
So 1617497-25-2 is a valid CAS Registry Number.

1617497-25-2Downstream Products

1617497-25-2Relevant articles and documents

Cycloaddition of propargylic alcohols and α-oxo ketene dithioacetals: Synthesis of functionalized cyclopentadienes and further application in a diels-alder reaction

Fang, Zhongxue,Liu, Jianquan,Liu, Qun,Bi, Xihe

supporting information, p. 7209 - 7213 (2014/07/21)

Cyclopentadienes are valuable intermediates in organic synthesis and also ubiquitous as the Cp ligands in organometallic chemistry. As part of ongoing efforts to develop novel organic reactions that employ functionalized alkynes, a [3+2] cycloaddition of propargylic alcohols and ketene dithioacetals has been developed, which leads to fully substituted 2,5-dialkylthio cyclopentadienes in good to excellent yields. In an unusual dethiolating Diels-Alder reaction, the cyclopentadienes were further reacted with maleimides to afford a family of novel fluorescent polycyclic compounds.

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