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147702-14-5

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147702-14-5 Usage

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Chiral ligand used in catalytic asymmetric aziridination. Chiral ligand used in catalytic asymmetric aminoallylation of aldehydes. Chiral ligand used in catalytic asymmetric Petasis reaction.

Check Digit Verification of cas no

The CAS Registry Mumber 147702-14-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,7,0 and 2 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 147702-14:
(8*1)+(7*4)+(6*7)+(5*7)+(4*0)+(3*2)+(2*1)+(1*4)=125
125 % 10 = 5
So 147702-14-5 is a valid CAS Registry Number.
InChI:InChI=1/C32H22O2/c33-31-25-17-9-7-15-23(25)19-27(21-11-3-1-4-12-21)29(31)30-28(22-13-5-2-6-14-22)20-24-16-8-10-18-26(24)32(30)34/h1-20,33-34H

147702-14-5 Well-known Company Product Price

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  • Aldrich

  • (676098)  (S)-VANOL  97%

  • 147702-14-5

  • 676098-250MG

  • 1,832.22CNY

  • Detail

147702-14-5Downstream Products

147702-14-5Relevant articles and documents

Enantiodivergent Kinetic Resolution of 1,1′-Biaryl-2,2′-Diols and Amino Alcohols by Dipeptide-Phosphonium Salt Catalysis Inspired by the Atherton–Todd Reaction

Chen, Yuan,Fang, Siqiang,Pan, Jianke,Ren, Xiaoyu,Tan, Jian-Ping,Wang, Tianli,Zhang, Hongkui

, p. 14921 - 14930 (2021/05/10)

A highly enantiodivergent organocatalytic method is disclosed for the synthesis of atropisomeric biaryls via kinetic resolution inspired by a dipeptide-phosphonium salt-catalyzed Atherton–Todd (A-T) reaction. This flexible approach led to both R- and S-enantiomers by fine-tuning of bifunctional phosphonium with excellent selectivity factors (s) of up to 1057 and 525, respectively. The potential of newly synthesized O-phosphorylated biaryl diols was illustrated by the synthesis of axially chiral organophosphorus compounds. Mechanistic investigations suggest that the bifunctional phosphonium halide catalyst differentiates between the in-situ-generated P-species in the A-T process, mainly involving phosphoryl chloride and phosphoric anhydride, thus leading to highly enantiodivergent O-phosphorylation reactions. Furthermore hydrogen bonding interactions between the catalysts and phosphorus molecules were crucial in asymmetric induction.

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