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2,6-Bis (4-phenyl-2-pyridyl)-4-phenyl-, and 2,6-bis (6-phenyl-2-pyridyl)-4-phenylpyridine. their spectrophotometric, constants in reactions of chelatio

โœ Scribed by A.A. Schilt; G.Prederick Smith


Publisher
Elsevier Science
Year
1956
Tongue
English
Weight
548 KB
Volume
15
Category
Article
ISSN
0003-2670

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## Abstract 2โ€Aminoโ€6โ€(3โ€methylโ€5โ€oxoโ€1โ€phenylโ€2โ€pyrazolinโ€4โ€yl)โ€4โ€phenylpyridineโ€3โ€carbonitrile (1) obtained by the reaction of 4โ€(1โ€iminoethyl)โ€3โ€methylโ€1โ€phenylโ€2โ€pyrazolinโ€5โ€one with benzylidenemalononitrile, was reacted with triethyl orthoformate followed by hydrazine hydrate, acetic anhydride