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(R)-2-{[(2-chlorobenzoyl)oxy]methyl}-2,3-dihydro-4H-pyran-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

201341-22-2

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201341-22-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201341-22-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,3,4 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 201341-22:
(8*2)+(7*0)+(6*1)+(5*3)+(4*4)+(3*1)+(2*2)+(1*2)=62
62 % 10 = 2
So 201341-22-2 is a valid CAS Registry Number.

201341-22-2Downstream Products

201341-22-2Relevant academic research and scientific papers

Asymmetric cycloaddition reactions

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Page column 41, (2010/01/31)

The present invention relates to a process for stereoselective cycloaddition reactions which generally comprises a cycloaddition reaction between a pair of substrates, each either chiral or prochiral, that contain reactive π-systems, in the presence of a non-racemic chiral catalyst, to produce a stereoisomerically enriched product. The present invention also relates to novel asymmetric catalyst complexes comprising a metal and an asymmetric tridentate ligand.

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