Cas 1616591-75-3,1-[4-phenylbutyl]pyrrolidin-2-one

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Check Digit Verification of cas no

The CAS Registry Mumber 1616591-75-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,5,9 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1616591-75:
(9*1)+(8*6)+(7*1)+(6*6)+(5*5)+(4*9)+(3*1)+(2*7)+(1*5)=183
183 % 10 = 3
So 1616591-75-3 is a valid CAS Registry Number.

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1616591-75-3Downstream Products

1616591-78-6 (E)-1-(4-phenylbutyl)-2-(nitromethylene)pyrrolidine

1616591-75-3Relevant articles and documents

Intramolecular cyclization of 1-(ω-Phenylalkyl)-2-(nitromethylene) pyrrolidines in triflic acid

Fante, Bamba,Soro, Yaya,Siaka, Sorho,Marrot, Jerome,Coustard, Jean-Marie

, p. 2377 - 2385 (2014)

1-(ω-Phenylalkyl)-2-(nitromethylene)pyrrolidines in triflic acid undergo a C,O-diprotonation, followed by loss of water, to form conjugated iminium-hydroxynitrilium dications, which react with the tethered phenyl ring by electrophilic aromatic substitution to afford tricyclic iminium compounds as triflate salts. The scope and mechanism of this reaction are discussed. Copyright

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1616591-75-3