Nuclear magnetic resonance studies on .sigma.-adducts of heterocyclic systems with nucleophiles. 18. Proton and carbon-13 nuclear magnetic resonance investigations on .sigma.-adduct formation between 1,X-naphthyridines and some methyl-1,8-naphthyridines with potassium amide in liquid ammonia
1978 ◽
Vol 43
(9)
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pp. 1673-1677
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1981 ◽
pp. 2596-2598
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1979 ◽
pp. 628
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Keyword(s):
1985 ◽
pp. 1285
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