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1353547-14-4

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1353547-14-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1353547-14-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,3,5,4 and 7 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1353547-14:
(9*1)+(8*3)+(7*5)+(6*3)+(5*5)+(4*4)+(3*7)+(2*1)+(1*4)=154
154 % 10 = 4
So 1353547-14-4 is a valid CAS Registry Number.

1353547-14-4Downstream Products

1353547-14-4Relevant articles and documents

Synthesis of 4-quinolones via cyclocondensation of substituted ortho-amidoacetophenones: A refit to the camps cyclization by applying trimethylsilyl trifluoromethanesulfonate/triethylamine

Eidamshaus, Christian,Triemer, Therese,Reissig, Hans-Ulrich

supporting information; experimental part, p. 3261 - 3266 (2011/11/30)

A modification of the classical Camps cyclization is described. A series of substituted 4-quinolone derivatives is prepared via trimethylsilyl trifluoromethanesulfonate/triethylamine induced cyclocondensation of substituted ortho-amidoacetophenones. The process shows a broad substrate scope and allows selective preparation of 2-aryl- and 2-alkyl-substituted 4-quino-lones. Enantiopure starting materials react without loss of optical purity using the modified conditions. Subsequent transformations of the products involving preparation of a 4-quinolyl nonaflate and O-selective methylation are also described. Georg Thieme Verlag Stuttgart · New York.

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