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(4S,5R)-1-((2S,3R,5R,6S)-5-Hydroxy-3-methyl-6-naphthalen-1-yl-tetrahydro-pyran-2-yl)-3,4-dimethyl-5-phenyl-imidazolidin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

623939-33-3

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623939-33-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 623939-33-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,3,9,3 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 623939-33:
(8*6)+(7*2)+(6*3)+(5*9)+(4*3)+(3*9)+(2*3)+(1*3)=173
173 % 10 = 3
So 623939-33-3 is a valid CAS Registry Number.

623939-33-3Downstream Products

623939-33-3Relevant academic research and scientific papers

A Lewis acid mediated stereoselective removal of an anomeric urea substituent

Berry, Craig R.,Rameshkumar,Tracey, Michael R.,Wei, Lin-Li,Hsung, Richard P.

, p. 791 - 796 (2003)

The first Lewis acid mediated stereoselective removal of an anomeric chiral urea group or an electron deficient nitrogen substituent is described here. The ability to remove this urea group which had served as a chiral auxiliary, along with stereoselective hydroboration-oxidation of the endocyclic olefin renders the pyranyl cycloadduct from hetero [4+2] cycloadditions of chiral allenamides a useful chiral template. This represents a new approach to synthesis of complex pyranyl heterocycles or C-glycoside derivatives.

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