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79559-52-7

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79559-52-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79559-52-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,5,5 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 79559-52:
(7*7)+(6*9)+(5*5)+(4*5)+(3*9)+(2*5)+(1*2)=187
187 % 10 = 7
So 79559-52-7 is a valid CAS Registry Number.

79559-52-7Relevant articles and documents

Enantiopure trans -3-arylaziridine-2-carboxamides: Preparation by bacterial hydrolysis and ring-openings toward enantiopure, unnatural D -α-amino acids

Moran-Ramallal, Roberto,Liz, Ramon,Gotor, Vicente

supporting information; experimental part, p. 6614 - 6624 (2010/11/17)

Several racemic trans-3-arylaziridine-2-carboxamides were prepared and then resolved by Rhodococcus rhodochrous IFO 15564-catalyzed hydrolysis. The resulting enantiopure (2R,3S)-3-arylaziridine-2-carboxamides are adequate substrates to undergo fully stereoselective nucleophilic ring-openings at the C-3 ring position to finally yield enantiopure, unnatural d-α- aminocarboxylic acids. Experimental evidence is provided that suggests the fate of the (2S,3R)-3-arylaziridine-2-carboxylic acids concomitantly formed during the resolution processes. In this context, the similar bacterial resolution of racemic 1-arylaziridine-2-carboxamides and -carbonitriles, previously investigated by our research group, has been partially re-examined.

Reaction of Hydrogen Fluoride in Pyridine Solution with cis-Cyano-2- and cis-Amido-2-aziridines. Preparation of β-Fluoro-α-amino Acids and Esters by Means of Acidic Hydrolysis and Alcoholysis of β-Fluoro-α-Amino Nitriles and/or β-Fluoro-α-Amino Acid Amide

Ayi, Ayicoue I.,Guedj, Roger

, p. 2045 - 2051 (2007/10/02)

The addition of hydrogen fluoride generated from pyridinium poly(hydrogen fluoride) (i.e.Olah's reagent) to some cis-2-cyano- and cis-2-amido-aziridines has been examined.The reaction led to fluoroamine derivatives which upon acidic hydrolysis and alcohol

A NOVEL SYNTHESIS OF 3-FLUOROPHENYLALANINE and SOME of ITS DERIVATIVES

Ayi, A.I.,Remli, M.,Guedj, R.

, p. 93 - 96 (2007/10/02)

Ring opening of 2-cyano-3-phenylaziridine and 2-amido-3-phenylaziridine by HF/pyridine was found to give 2-amino-3-fluorophenylpropionitrile (IV) and 2-amino-3-fluorophenylalanamide (VII) respectively. 3-fluorophenylalanine (V) could be obtained by an aci

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