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97589-52-1

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97589-52-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97589-52-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,5,8 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 97589-52:
(7*9)+(6*7)+(5*5)+(4*8)+(3*9)+(2*5)+(1*2)=201
201 % 10 = 1
So 97589-52-1 is a valid CAS Registry Number.

97589-52-1Relevant articles and documents

Synthesis of chiral TFA-protected α-amino aryl-ketone derivatives with friedel-crafts acylation of α-amino acid n-hydroxysuccinimide ester

Tachrim, Zetryana Puteri,Oida, Kazuhiro,Ikemoto, Haruka,Ohashi, Fumina,Kurokawa, Natsumi,Hayashi, Kento,Shikanai, Mami,Sakihama, Yasuko,Hashidoko, Yasuyuki,Hashimoto, Makoto

, (2017/11/07)

Chiral N-protected α-amino aryl-ketones are one of the useful precursors used in the synthesis of various biologically active compounds and can be constructed via Friedel-Crafts acylation of N-protected α-amino acids. One of the drawbacks of this reaction

N-(Trifluoroacetyl)-α-amino Acid Chlorides as Chiral Reagents for Friedel-Crafts Synthesis

Nordlander, J. Eric,Njoroge, F. George,Payne, Mark J.,Warman, Dhiraj

, p. 3481 - 3484 (2007/10/02)

Chiral N-(trifluoroacetyl)-α-amino acid chlorides unergo Friedel-Crafts reaction with benzene and 1,2-dimethoxybenzene under mild conditions commonly with complete (>99percent) preservation of configurational identity.The resultant (trifluoroacetyl)amino ketones may be deoxygenated with Et3SiH or H2/Pd-C in acidic media to the corresponding N-(trifluoroacetyl)-β-arylalkylamines likewise without loss of configurational purity.

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