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138495-07-5

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138495-07-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138495-07-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,4,9 and 5 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138495-07:
(8*1)+(7*3)+(6*8)+(5*4)+(4*9)+(3*5)+(2*0)+(1*7)=155
155 % 10 = 5
So 138495-07-5 is a valid CAS Registry Number.

138495-07-5Relevant articles and documents

Synthesis of cis-2-aryl-3-pyrrolidine carboxylic esters via diastereoselective cyclization of γ-imino esters using a TiCl 4/Et3N reagent system

Suresh, Surisetti,Periasamy, Mariappan

, p. 6291 - 6293 (2004)

Facile synthesis of cis-2-aryl-3-pyrrolidine carboxylates from readily accessible γ-imino esters by intramolecular cyclization mediated by a TiCl4/Et3N reagent system is described.

A one-pot selective synthesis of N-Boc protected secondary amines: Tandem direct reductive amination/N-Boc protection

Neelarapu, Raghupathi,Petukhov, Pavel A.

experimental part, p. 7056 - 7062 (2012/08/28)

A one-pot tandem direct reductive amination of aldehydes with primary amines resulting in N-Boc secondary amines using a (Boc)2O/sodium triacetoxyborohydride (STAB) system is reported. The tandem procedure is efficient, selective, and versatile, giving excellent yields of N-Boc protected secondary amines even in those cases where the products are prone to intramolecular lactamization.

Electroreductive intramolecular coupling of aromatic β- and γ-imino esters: A new synthetic method for N-alkoxycarbonyl-2-aryl-3-ones and cis-2-aryl-3-ols of pyrrolidines and piperidines

Kise, Naoki,Ohya, Kengo,Arimoto, Kie,Yamashita, Yutaka,Hirano, Yuuki,Ono, Tadahiro,Ueda, Nasuo

, p. 7710 - 7719 (2007/10/03)

The electroreduction of aromatic β- and γ-imino esters prepared from β-alanine and GABA in the presence of chlorotrimethylsilane and subsequent N-alkoxycarbonylation of the resulting five- and six-membered cyclized amines gave mixed ketals of N-alkoxycarb

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