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78593-99-4

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78593-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78593-99-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,9 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78593-99:
(7*7)+(6*8)+(5*5)+(4*9)+(3*3)+(2*9)+(1*9)=194
194 % 10 = 4
So 78593-99-4 is a valid CAS Registry Number.

78593-99-4Relevant articles and documents

Mn(III)-promoted sulfur-directed 4-exo-trig radical cyclization of enamides to β-lactams

Attenni, Barbara,Cerreti, Alessandra,D'Annibale, Andrea,Resta, Stefano,Trogolo, Corrado

, p. 12029 - 12038 (2007/10/03)

The synthesis of β-lactams vinylated at C-4 from N-(3-phenylthio-1- alkenyl) amides was carried out by Mn(III)-promoted 4-exo-trig radical cyclization followed by β-fragmentative loss of phenylthiyl radical. The effects on the reaction course of different substituents both on enamidic nitrogen atom or double bond were analyzed. The overall reaction was stereoselective, leading to trans azetidinones.

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