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1353883-03-0

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1353883-03-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1353883-03-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,3,8,8 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1353883-03:
(9*1)+(8*3)+(7*5)+(6*3)+(5*8)+(4*8)+(3*3)+(2*0)+(1*3)=170
170 % 10 = 0
So 1353883-03-0 is a valid CAS Registry Number.

1353883-03-0Downstream Products

1353883-03-0Relevant articles and documents

A detailed study of the intramolecular hydroamination of N-(ortho-alkynyl)aryl-N′-substituted trifluoroacetamidines and bromodifluoroacetamidines

Zhu, Jiangtao,Xie, Haibo,Chen, Zixian,Li, Shan,Wu, Yongming

, p. 516 - 523 (2012/01/15)

The intramolecular hydroamination of N-(ortho-alkynyl)aryl-N′- substituted trifluoroacetamidines and bromodifluoroacetamidines is studied in detail. When the substituents on the alkyne fragment are aryl and alkyl groups, 5-endo-dig cyclization occurs utilizing NaAuCl4·2H 2O as a catalyst, while 6-exo-dig cyclization proceeds in the presence of K2CO3 as a base. Interestingly, the indole derivatives are afforded with good regioselectivity via a 5-endo-dig pathway catalyzed by Cu(OAc)2 when ortho-ethynyl appears on the aryl substituent of the amidine. The electrophilic cyclization of the amidines also shows good regioselectivity under the I2/NaHCO3 system. At the end, a facile cascade synthesis of fluorinated quinazolones is described via hydroamination/ozonolysis from the corresponding amidine.

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