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50986-84-0

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50986-84-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50986-84-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,9,8 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 50986-84:
(7*5)+(6*0)+(5*9)+(4*8)+(3*6)+(2*8)+(1*4)=150
150 % 10 = 0
So 50986-84-0 is a valid CAS Registry Number.

50986-84-0Relevant articles and documents

Sulfoxide ligand metal catalyzed oxidation of olefins

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Page/Page column 56-57, (2019/05/09)

The enantioselective synthesis of isochroman motifs has been accomplished via Pd(II)-catalyzed allylic C—H oxidation from terminal olefin precursors. Critical to the success of this goal was the development and utilization of a novel chiral aryl sulfoxide-oxazoline (ArSOX) ligand. The allylic C—H oxidation reaction proceeds with the broadest scope and highest levels asymmetric induction reported to date (avg. 92% ee, 13 examples ≥90% ee). Additionally, C(sp3)-N fragment coupling reaction between abundant terminal olefins and N-triflyl protected aliphatic and aromatic amines via Pd(II)/sulfoxide (SOX) catalyzed intermolecular allylic C—H amination is disclosed. A range of 52 allylic amines are furnished in good yields (avg. 76%) and excellent regio- and stereoselectivity (avg. >20:1 linear:branched, >20:1 E:Z). For the first time, a variety of singly activated aromatic and aliphatic nitrogen nucleophiles, including ones with stereochemical elements, can be used in fragment coupling stiochiometries for intermolecular C—H amination reactions.

C2-symmetric chiral disulfoxide ligands in rhodium-catalyzed 1,4-addition: From ligand synthesis to the enantioselection pathway

Mariz, Ronaldo,Poater, Albert,Gatti, Michele,Drinkel, Emma,Buergi, Justus J.,Luan, Xinjun,Blumentritt, Sascha,Linden, Anthony,Cavallo, Luigi,Dorta, Reto

supporting information; experimental part, p. 14335 - 14347 (2011/03/22)

A family of chiral C2-symmetric disulfoxide ligands possessing biaryl atropisomeric backbones has been synthesized by using the Andersen methodology. Complete characterization includes X-ray crystallographic studies of all ligands and some of t

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