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78994-36-2

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78994-36-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78994-36-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,9,9 and 4 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78994-36:
(7*7)+(6*8)+(5*9)+(4*9)+(3*4)+(2*3)+(1*6)=202
202 % 10 = 2
So 78994-36-2 is a valid CAS Registry Number.

78994-36-2Relevant articles and documents

Ionic liquid promoted simple and efficient synthesis of β-enamino esters and β-enaminones from 1,3-dicarbonyl compounds - One-pot, three-component reaction for the synthesis of substituted pyridines

Karthikeyan, Ganesan,Perumal, Paramasivan T.

, p. 1746 - 1751 (2005)

A facile enamination of 1,3-dicarbonyl compounds with amines has been developed that affords good to excellent yields of β-enamino esters and β-enaminones using Bronsted acidic ionic liquid 1-methylimidazolium trifluoroacetate ([Hmim]+Tfa-) at room temperature. This methodology has been extended for the synthesis of substituted pyridines in excellent yield by a one-pot, three-component reaction of 1,3-dicarbonyl compounds, ammonium acetate, and alkynone in the presence of [Hmim] +Tfa-.

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