Просьба залить несколько статеек:
1. Benzofuran Derivatives from, d,b,Y-Butenolides, A. I. Hashem, J. PRAKT. CHEM., 1977, 319, NO 4, 689-692.
2. b-Aroyl--(arylmethylene)propionic Acids, Nadia R. Guirguis, Boshra, M. Awad, Hanaa A. Saad, Lieb. Ann., 1986, N 4, 777-779.
Код: Выделить всё
http://dx.doi.org/10.1002/jlac.198619860416
3. Synthesis of Enol Lactones of 3-aroyl-2-(Thienylmethylene)-propionic Acids and their Conversion into the Corresponding 4-arylbenzo
thiophene-6-carboxylic Acids, Nadia R. Guirguis, Boshra M. Awad, Hanaa A. Saad, Lieb. Ann., 1986, N 6, 1003-1011.
Код: Выделить всё
http://dx.doi.org/10.1002/jlac.198619860605
Спасибо, Viksya85!
UpdSome 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.
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