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1396318-59-4

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1396318-59-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1396318-59-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,6,3,1 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1396318-59:
(9*1)+(8*3)+(7*9)+(6*6)+(5*3)+(4*1)+(3*8)+(2*5)+(1*9)=194
194 % 10 = 4
So 1396318-59-4 is a valid CAS Registry Number.

1396318-59-4Downstream Products

1396318-59-4Relevant articles and documents

An efficient, one-pot, three-component procedure for the synthesis of chiral spirooxindolopyrrolizidines via catalytic highly enantioselective 1,3-dipolar cycloaddition

Salahi, Farbod,Taghizadeh, Mohammad Javad,Arvinnezhad, Hamid,Moemeni, Mehdi,Jadidi, Khosrow,Notash, Behrouz

, p. 1515 - 1518 (2014)

The catalytic, highly regio-, diastereo-, and enantioselective synthesis of a small library of chiral spirooxindolopyrrolizidines via a three-component 1,3-dipolar cycloaddition reaction of azomethine ylides, derived from isatin, with electron-deficient dipolarophiles, 3-(2-alkenoyl)-1,3-oxazolidin-2-ones, is described. A chiral copper(II) complex of cyclohexane-1,2- bis(arylmethyleneamine) catalyzed this process at room temperature. The reaction mechanism is discussed on the basis of the assignment of the absolute configuration of the cycloadducts.

Synthesis of new enantiomerically pure spirooxindolopyrrolizidines via a three-component asymmetric 1,3-dipolar cycloaddition reaction of azomethine ylides derived from isatin

Taghizadeh, Mohammad Javad,Arvinnezhad, Hamid,Samadi, Saadi,Jadidi, Khosrow,Javidan, Abdollah,Notash, Behrouz

, p. 5148 - 5150 (2012/09/22)

An efficient, one-pot, three-component procedure for the synthesis of a small library of new chiral spirooxindolopyrrolizidines with high regio-, diastereo-, and enantioselectivity, from the 1,3-dipolar cycloaddition of azomethine ylides and optically active cinnamoyl oxazolidinone is described. The process occurs at room temperature in aqueous ethanol as a green solvent and in the absence of any Lewis acids. The oxazolidinone chiral auxiliary is removed in a non-destructive manner. The reaction mechanism is discussed on the basis of the assignment of the absolute configuration of the cycloadducts, and on theoretical calculations.

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