Brophy, Peter M.; Campbell, Alison M.; Van Eldik, Annamaria J.; Teesdale-Spittle, Paul H.; Liebau, Eva; Wang, Meng F.
Bioorganic and Medicinal Chemistry Letters, 2000 , vol. 10, # 9 p. 979 - 981
in butan-1-ol byproducts: NH3; dissoln. of Na in butanol; addn. of dry urea to boiling soln. (containg a maximum of 0.04percent H2O; reflux) with shaking; boiling overnight at 140°C bath temp.; pptn.;; filtration; washing (ethanol, ether); separation from butanol in vac. at 140°C; impurities: 1-2percent Na2CO3 and 0-0.2percent urea;;
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Bader, R.; Dupre, D. J.; Schuetz, F.
Biochim. Biophys. Acta, 1948 , vol. 2, p. 543 - 548
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Gmelin Handbook: Na: SVol.4, 7, page 1382 - 1384
potassium phosphate; AlO(OH); palladium in toluene T=110°C; 48 h;
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Kwon, Min Serk; Kim, Namdu; Seo, Seong Hyeok; Park, In Soo; Cheedrala, Ravi Kumar; Park, Jaiwook
Angewandte Chemie - International Edition, 2005 , vol. 44, # 42 p. 6913 - 6915
