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(S)-2-[(S)-3-oxo-3-phenyl-1-(thiophen-2-yl)propyl]cyclopentanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1221402-60-3

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1221402-60-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1221402-60-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,4,0 and 2 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1221402-60:
(9*1)+(8*2)+(7*2)+(6*1)+(5*4)+(4*0)+(3*2)+(2*6)+(1*0)=83
83 % 10 = 3
So 1221402-60-3 is a valid CAS Registry Number.

1221402-60-3Downstream Products

1221402-60-3Relevant academic research and scientific papers

Highly enantioselective Michael addition of cyclopentanone with chalcones via novel di-iminium mechanism

Wang, Junfeng,Wang, Xin,Ge, Zemei,Cheng, Tieming,Li, Runtao

supporting information; experimental part, p. 1751 - 1753 (2010/07/06)

The highly efficient asymmetric Michael addition reactions of cyclopentanone with chalcones were catalyzed by a simple and commercially available chiral 1,2-diaminocyclohexane-hexanedioic acid, and exhibited good yields (up to 92%) and excellent enantioselectivities (up to 99% ee). A new di-iminium mechanism for the reaction was proposed.

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