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72863-23-1

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72863-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72863-23-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,6 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72863-23:
(7*7)+(6*2)+(5*8)+(4*6)+(3*3)+(2*2)+(1*3)=141
141 % 10 = 1
So 72863-23-1 is a valid CAS Registry Number.

72863-23-1Relevant articles and documents

Convenient synthesis of allylic sulfides and application to allylic carbon-carbon bond formation

Tsuboyama,Takeda,Torii,Ogura

, p. 2357 - 2363 (2007/10/02)

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Palladium-Catalyzed Allylic Sulfinate-Sulfone Rearrangements

Hiroi, Kunio,Makino, Kunitaka

, p. 1727 - 1737 (2007/10/02)

Upon treatment with a zero-valent palladium catalyst, tetrakis(triphenylphosphine)palladium, in tetrahydrofuran under mild conditions allylic p-toluenesulfinates underwent α- or γ-rearrangements of the sulfonyl group via ionic intermediates to give allylic sulfones.The regiochemistry of the rearrangements depends on the character of the intermediary allylic cationic carbons generated and the steric hindrance involved therein.Keywords - allylic sulfinate; allylic sulfone; palladium catalyst; sulfinate-sulfone rearrangement; regiochemistry; tetrakis(triphenylphosphine)palladium.

SYNTHESES A L'AIDE DE SULFONES. XXIII. SUR LA SELECTIVITE DE LA SYNTHESE DES DULFONES ALLYLIQUES

Julia, Marc,Nel, Maurice,Righini, Anne,Uguen, Daniel

, p. 113 - 120 (2007/10/02)

The role of the palladium ligands on the yield and regioselectivity of the reaction of conjugated dienes with arenesulphinic acids (or of allylic acetates with sodium arenesulphinates) has been investigated.Arenesulphinic acids catalyse the isomerisation of allylic sulphones.

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