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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 12
BKCSDE 31(12)
December 20, 2010 

Palladium(II) p-Tolylamide and Reaction with CO2 to Generate a Carbamato Derivative
Jung Min Seul, Soonheum Park*
Palladium arylamide, Palladium carbamate, Insertion of CO2, Methyl N-aryl carbamate
Pd(II) p-tolylamide Pd(2,6-(Ph2PCH2)2C6H3)(NH(C6H4Me-p)) (1) was metathetically prepared by the reaction of Pd(2,6-(Ph2PCH2)2C6H3)Cl with NaNH(C6H4Me-p). Treatment of 1 with carbon dioxide affords the palladium(II) carbamate Pd(2,6-(Ph2PCH2)2C6H3)(OC(O)NH(C6H4Me-p)) (2), quantitatively. Complex 2 reacts with HX (X = Cl, OTf) to give Pd(2,6-(Ph2PCH2)2C6H3)X, NH2(p-Tol) and CO2. Reaction of the palladium(II) carbamate with MeI produced Pd(2,6-(Ph2PCH2)2C6H3)I along with generation of methyl N-tolylcarbamate MeOC(O)NH(C6H4Me-p), exclusively.
3745 - 3748
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