Ring transformation of unsaturated N-bridgehead fused pyrimidin-4(3H)-ones: role of repulsive electrostatic nonbonded interaction |
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| Authors: | Molnár Annamária Mucsi Zoltán Vlád Gábor Simon Kálmán Holczbauer Tamás Podányi Benjámin Faigl Ferenc Hermecz István |
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| Affiliation: | R&D of Chinoin Ltd., To? utca 1-5, H-1045 Budapest, Hungary. |
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| Abstract: | Thermal ring transformation ability of unsaturated N-bridgehead fused pyrimidin-4(3H)-ones A is governed by both the steric and the electrostatic interactions between the oxygen of the carbonyl group and the substituent in the peri position. |
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