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1. Il principio HSAB nell’alchilazione regioselettiva di derivati uracilici

Author

AUGUSTO GAMBACORTA, M. IANNONE, TOFANI, DANIELA, Università degli Studi della Basilicata Società Chimica Italiana- Divisione di Chimica Organica, Augusto, Gambacorta, M., Iannone, and Tofani, Daniela

Abstract

The lithium salts of 4-methoxy-derivatives of pyrimidinic bases undergo chemoselective N1-methylation or ethylation when treated with the appropriate alkylsulphate in dry dioxane. Under the same conditions, 4-unprotected pyrimidinic bases afford mixtures of N1-, O2- and N1,N3-alkylation products. This is explained in terms of HSAB principle.

Published
2004

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