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Volumn 10, Issue 5, 1973, Pages 821-826

Bridgehead nitrogen heterocycles. VI. The reaction of 1‐amino‐ and 1,2‐diaminopyridinium salts with β‐dicarbonyl compounds

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Indexed keywords

EID: 84987336707 PISSN: 0022152X EISSN: 19435193 Source Type: Journal
DOI: 10.1002/jhet.5570100525 Document Type: Article

Times cited : (28)

References (17)

4
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- 9-Hydroxy-2-methyl-4H-pyrido[1,2-α] pyrimidin-4-one and its derivatives
- (1973) Journal of Heterocyclic Chemistry , vol.10 , pp. 143
- Yale, H.L.¹ Sheehan, J.T.²

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- (1952) J. Am. Chem. Soc. , vol.74 , pp. 5491
- Adams, R.¹ Pachter, I.J.²

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- 0007850302
- (1968) J. Org. Chem. , vol.33 , pp. 3015
- Shur, M.¹ Israelstam, S.S.²

12
- 84987285883
- On the reactions of β-ketoesters with 2,3-diaminopyridine and its derivatives
- (1973) Journal of Heterocyclic Chemistry , vol.10 , pp. 201
- Israel, M.¹ Jones, L.C.²

13
- 84987376781
- Bridgehead nitrogen heterocycles—II: The mass spectra of some pyrazolo[1,5-a]pyridines
- (1970) Organic Mass Spectrometry , vol.3 , pp. 433
- Potts, K.T.¹ Singh, U.P.²

14
- 0000151755
- (1968) J. Org. Chem. , vol.33 , pp. 2062
- Boekelheide, V.¹ Fedoruk, N.A.²

16
- 84987376793
- Ir spectra were determined using either a Perkin‐Elmer Model 421 or Perkin‐Elmer Model 337 recording spectrophotometer. Uv spectra were measured on a Cary‐14 Spectrophotomer. Nmr spectra were determined using a Varian A‐60 spectrometer and chemical shifts are reported in δ units using tetramethylsilane as an internal standard and standard calibration procedures. Mass spectra were determined on a Hitachi Perkn‐Elmer RMU‐6E mass spectrometer at 70 eV unless stated otherwise, all samples being introduced via a direct inlet (ca. 200°) system. Microanalyses were performed by Galbraith Laboratories, Inc., Knoxville, Tennessee. The identity of products was established by means of superimposable infrared spectra and less than 2° depression in a mixture melting point determination. All evaporations were done under reduced pressure using a rotatory evaporator. All melting points were determined in capillaries.

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