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891864-87-2

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891864-87-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 891864-87-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,1,8,6 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 891864-87:
(8*8)+(7*9)+(6*1)+(5*8)+(4*6)+(3*4)+(2*8)+(1*7)=232
232 % 10 = 2
So 891864-87-2 is a valid CAS Registry Number.

891864-87-2Relevant articles and documents

Interaction of PdCl2-2-(β-diphenylphosphine)ethylpyridine complex with diols and CO: Synthesis of new alkoxycarbonyl complexes, key intermediates to cyclic carbonates

Giannoccaro, Potenzo,Cornacchia, Daniele,Doronzo, Salvatore,Mesto, Ernesto,Quaranta, Eugenio,Aresta, Michele

, p. 2872 - 2879 (2006)

PdCl2PN (PN = 2-(β-diphenylphosphine)ethylpyridine) was found to be effective in the promotion of the alkoxycarbonylation of diols [(1,2-hydroxyethane (HE); 1,2- and 1,3-hydroxypropane (1,2HP, 1,3HP), 1,2-, 1,3-, and 1,4-hydroxybutane (1,2HB, 1,3HB, 1,4HB)]. The relevant mono-alkoxycarbonyl complexes of the diols, of formula PdClPN(COO-R-OH), were isolated, characterized in solution, and studied for their reactivity. All complexes in the presence of different reagents release the alkoxycarbonyl group directly as cyclic carbonate or as chloroformate, which "in situ" converts into cyclic carbonate or other valuable carbonyl products. The structure of the complexes PdCl[(COO-CH2-CH2-CH 2(OH)](PN) (4c) and PdCl(COO-CH2-CH(OH)-C 2H5)(PN) (4d) was also derived by single-crystal X-ray diffraction.

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