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1215067-70-1

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1215067-70-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1215067-70-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,5,0,6 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1215067-70:
(9*1)+(8*2)+(7*1)+(6*5)+(5*0)+(4*6)+(3*7)+(2*7)+(1*0)=121
121 % 10 = 1
So 1215067-70-1 is a valid CAS Registry Number.

1215067-70-1Downstream Products

1215067-70-1Relevant articles and documents

Dual organocatalytic ion-pair assemblies: A highly efficient approach for the enantioselective oxa-michael-mannich reaction of salicylic aldehydes with cyclohexenones

Xia, Ai-Bao,Xu, Dan-Qian,Luo, Shu-Ping,Jiang, Jun-Rong,Tang, Jie,Wang, Yi-Feng,Xu, Zhen-Yuan

, p. 801 - 804 (2010)

A study was conducted to demonstrate a novel type of bifunctional catalyst generated by the self-assembly of pyrrolidines and readily available primary amino acids. It was demonstrated that the protonation of the aromatic nitrogen atom of pyrrolidines by amino acids spontaneously led to ion-pair assemblies. The self-assembled catalysts possessed dual activation centers and enabled the catalysis of the electrophilic and nucleophilic substrates similar to catalysis by enzymes. The simultaneous activation of cyclohex-2-enone and salicylic aldehyde by pyrrolidines and amino acids generated the transient ion pairs through iminiums and imines. The resultant assemblies ensured that the enantioselective domino oxa-Michael addition and intramolecular Mannich reaction proceeded to afford the corresponding products upon hydrolysis.

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