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Naphthyridine chemistry XV. The meisenheimer reaction of 1,6-Naphthyridine 1,6-Dioxide

โœ Scribed by David J. Pokorny; William W. Paudler


Book ID
112122792
Publisher
Journal of Heterocyclic Chemistry
Year
1972
Tongue
English
Weight
227 KB
Volume
9
Category
Article
ISSN
0022-152X

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๐Ÿ“œ SIMILAR VOLUMES


Photolysis of 1,6-naphthyridine 1,6-diox
โœ Yoshiro Kobayashi; Itsumaro Kumadaki; Haruo Sato ๐Ÿ“‚ Article ๐Ÿ“… 1970 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 183 KB

oxide type and the other is of isoquinoline Z-oxide type. It was, therefore, attractive to examine which N-oxide group would be isomerized faster in the photolysis. Photolysis of I in water by a high-pressure mercury lamp with a Pyrex filter afforded 1,2-dihydro-1,6-naphthyridin-Z(lH)one 6-oxide (

Preparation of 1,6-naphthyridine-2,5(1H,
โœ Tetsuo Ohta; Hironori Fujisawa; Mitsuru Kawazome; Yasuto Nakai; Isao Furukawa ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 114 KB

## Abstract Novel method for the synthesis of 3โ€acylโ€1,6โ€dialkylโ€7โ€methylโ€1,6โ€naphthyridineโ€2,5(1H,6H)โ€diones (2) was developed. The reaction of 2โ€acylโ€1โ€alkylaminoโ€1โ€ethoxyethylenes (1) with acetyl chloride or ฮฒโ€keto amide **3** with acetyl chloride in the presence of __p__โ€toluenesulfonic acid ga