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Purine Studies. XXIII. Conformational Aspects of N-(6-Amino-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-formamides and Related N-Benzyl Derivatives
Fenn, David M.,Lister, John H.
, p. 1611 - 1617 (2007/10/02)
The occurrence of 'Z' and 'E' conformers in 5-formamidouracil derivatives has been investigated by 1H n.m.r. and the effect of the nature and size of the substituents on the isomer ratio studied.Also considered was the relative steric competition between
