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224648-08-2

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224648-08-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 224648-08-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,4,6,4 and 8 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 224648-08:
(8*2)+(7*2)+(6*4)+(5*6)+(4*4)+(3*8)+(2*0)+(1*8)=132
132 % 10 = 2
So 224648-08-2 is a valid CAS Registry Number.

224648-08-2Relevant articles and documents

(Trifluoromethylselenyl)methylchalcogenyl as Emerging Fluorinated Groups: Synthesis under Photoredox Catalysis and Determination of the Lipophilicity

Grollier, Kevin,De Zordo-Banliat, Arnaud,Bourdreux, Flavien,Pegot, Bruce,Dagousset, Guillaume,Magnier, Emmanuel,Billard, Thierry

supporting information, p. 6028 - 6033 (2021/03/15)

The synthesis of molecules bearing (trifluoromethylselenyl)methylchalcogenyl groups is described via an efficient two-step strategy based on a metal-free photoredox catalyzed decarboxylative trifluoromethylselenolation with good yields up to 88 %, which raised to 98 % in flow chemistry conditions. The flow methods allowed also to scale up the reaction. The mechanism of this key reaction was studied. The physicochemical characterization of these emerging groups was performed by determining their Hansch–Leo lipophilicity parameters with high values up to 2.24. This reaction was also extended to perfluoroalkylselenolation with yields up to 95 %. Finally, this method was successfully applied to the functionalization of relevant bioactive molecules such as tocopherol or estrone derivatives.

Direct C-F bond formation using photoredox catalysis

Rueda-Becerril, Montserrat,Mahe, Olivier,Drouin, Myriam,Majewski, Marek B.,West, Julian G.,Wolf, Michael O.,Sammis, Glenn M.,Paquin, Jean-Francois

supporting information, p. 2637 - 2641 (2014/03/21)

We have developed the first example of a photoredox catalytic method for the formation of carbon-fluorine (C-F) bonds. The mechanism has been studied using transient absorption spectroscopy and involves a key single-electron transfer from the 3MLCT (triplet metal-to-ligand charge transfer) state of Ru(bpy)32+ to Selectfluor. Not only does this represent a new reaction for photoredox catalysis, but the mild reaction conditions and use of visible light also make it a practical improvement over previously developed UV-mediated decarboxylative fluorinations.

Retroviral protease inhibiting compounds

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Page 47, (2010/01/31)

A compound comprising a substituent of the formula (II) is disclosed as an HIV protease inhibitor. Intermediates for making such compounds and processes for making such intermediates are also disclosed.

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