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Toluene-4-sulfonic acid (1S,2R)-2-hydroxy-cyclopentyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

958249-40-6

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958249-40-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 958249-40-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,8,2,4 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 958249-40:
(8*9)+(7*5)+(6*8)+(5*2)+(4*4)+(3*9)+(2*4)+(1*0)=216
216 % 10 = 6
So 958249-40-6 is a valid CAS Registry Number.

958249-40-6Downstream Products

958249-40-6Relevant academic research and scientific papers

Copper complex catalyzed asymmetric monosulfonylation of meso-vic-diols

Demizu, Yosuke,Matsumoto, Kazuya,Onomura, Osamu,Matsumura, Yoshihiro

, p. 7605 - 7609 (2007)

Asymmetric desymmetrization of meso-vic-diols was performed by tosylation in the presence of copper(II) triflate and (R,R)-Ph-BOX as a catalyst. The method was successfully applied to asymmetric desymmetrization of cyclic and acyclic meso-vic-diols in hig

Chiral benzazaboroles as catalysts for enantioselective sulfonylation of: Cis -1,2-diols

Kuwano, Satoru,Hosaka, Yusei,Arai, Takayoshi

supporting information, p. 4475 - 4482 (2019/05/16)

A newly developed benzazaborole smoothly catalyzed the enantioselective sulfonylation of cis-1,2-diols. Using a chiral benzazaborole/NMI co-catalyst system, various sulfonate esters were prepared in high yields with good enantioselectivities.

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