+++2 статьи

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1. Mechanism of aromatic side-chain reactions with special reference to the polar effects of substituents. Part XVI. Hyperconjugation of groups of the type CH2X in the benzaldehyde–cyanohydrin equilibria
John W. Baker, J. A. L. Brieux and D. G. Saunders, J. Chem. Soc., 1956, 404

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http://dx.doi.org/10.1039/JR9560000404

2. Synthesis of 4(3H)-pteridinones. Ernst Felder, Davide Pitre, and Sergio Boveri, Journal of Medicinal Chemistry., 15; 1972; 210,211

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http://dx.doi.org/10.1021/jm00272a026