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Hydrometallurgical Treatment for Valuable Metals Recovery from Spent CoMo/Al2O3 Catalyst. 2. Oxidative Leaching of an Unroasted Catalyst Using H2O2

✍ Scribed by Ruiz, Vincent; Meux, Eric; Schneider, Michel; Georgeaud, Vincent

Book ID: 111879553
Publisher: American Chemical Society
Year: 2011
Tongue: English
Weight: 846 KB
Volume: 50
Category: Article
ISSN: 0888-5885
DOI: 10.1021/ie102428r

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## Abstract A clean and efficient tandem oxidative cyclocondensation process is reported for the synthesis of 3,4‐dihydropyrimidin‐2(1__H__)‐one or ‐thione derivatives from primary aryl alcohols, __β__‐keto esters, and urea or thiourea in the presence of Al(NO~3~)~3~⋅9 H~2~O as oxidant catalyst (__