Ув. коллеги!
Скачайте пожалуйста следующие сабжи:
1. The Synthesis of Substituted Ureas, Walter Harry Schuller, Carl Niemann,
J. Am. Chem. Soc., 1953, 75 (14), pp 3425–3428
2. A New Synthesis of Ureas. II. The Reaction of Primary Aliphatic Amines with Carbon Monoxide and Sulfur, R. A. FRANZ, FRED APPLEGATH, F. V. MORRISS, FRED BAIOCCHI,
J. Org. Chem., 1961, 26 (9), pp 3306–3308
3. Über die Darstellung von N,N-Dialkylharnstoffen und Alkylisocyanaten aus Alkylhalogeniden und Alkalicyanaten, W. Gerhardt
J. Prakt. Chem. , 1968, Volume 38, Issue 1-2 , Pages 77-87.
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Some scientists claim that hydrogen, because it is so plentiful, is the basic building block of the universe. I dispute that. I say that stupidity is far more abundant than hydrogen, and THAT is the basic building block of the universe.
-- Frank Zappa
