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77236-67-0

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77236-67-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77236-67-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,3 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77236-67:
(7*7)+(6*7)+(5*2)+(4*3)+(3*6)+(2*6)+(1*7)=150
150 % 10 = 0
So 77236-67-0 is a valid CAS Registry Number.

77236-67-0Downstream Products

77236-67-0Relevant articles and documents

Reaktionen mit Aziridinen, XXII. Einstufensynthese von Pyrrolidonen durch Amidoethylierung einfacher Ester mit N-Acylaziridinen

Stamm, Helmut,Woderer, Anton,Wiesert, Wolfgang

, p. 32 - 48 (2007/10/02)

Sodium enolates of simple esters (2) react smoothly with N-acylaziridines (3) in THF forming 3-substituted 2-pyrrolidones 8.If the α-position of the ester carries more than one H-atom amidoethylated pyrrolidones can result.Whilst a simple butyrolactone behaves analogously amidoethylation of coumaranone furnished mono and bis amidoethyl derivatives of coumaranone besides a pyrrolidone. - In tert-butyl alcohol only extremly acidic esters like 1e and 1j could be amidoethylated.

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