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- W2139811960 abstract "By applying vinyl- (3) and allyltriphenylphosphonium bromides (9) to 4-cyano-5,6-difur-2′yl-2H-pyridazin-3-one (1) the corresponding fused 5,8-oxazolo- 6, 12 (∼37%) and pyrano- 8, 13, 14 (∼20%) derivatives are isolated whereas with alkylphosphonium bromides 15a,b fused furans 17a,b (22%) and isopyrroles 18a,b (∼45%) are obtained. On the other hand, the reaction of 2-[(benzylidene)amino]-benzonitrile (2) with 3 and 9 yielded benzoazepines 20 and 21 (∼56%). With 15a,b, quinolines 23a,b (∼46%) and quinazoline 25 (∼24%) are obtained. © 2005 Wiley Periodicals, Inc. Heteroatom Chem 16:56–64, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.20065" @default.
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- W2139811960 date "2005-05-31" @default.
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- W2139811960 title "Synthetic Studies Using Unsaturated and Active Phosphonium Salts. A Convenient Preparation of Furano- and Pyrano[2,3-c]pyridazines and Substituted Quinolines." @default.
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- W2139811960 doi "https://doi.org/10.1002/chin.200522040" @default.
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