Efficient syntheses of 3H-azuleno[8,1-cd]pyridazines and their thermal and photochemical reactions

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Title:	Efficient syntheses of 3H-azuleno[8,1-cd]pyridazines and their thermal and photochemical reactions
Authors:	Chi-Phi Wu;Rammohan Devulapally;Tsung-Chieh Li;古建國;Chien-Kuo Ku;Hsien-Chung Chung
Contributors:	臺北市立教育大學應用物理暨化學學系暨碩士班
Keywords:	Azulene;Azulenopyridazine;p-Toluenesulfonic acid;Thermal reaction;Photochemical reaction
Date:	2010-09
Issue Date:	2013-12-27 18:10:05 (UTC+8)
Abstract:	Azulenopyridazines 6 were efficiently synthesized from ethyl 4-hydrazinylazulene-1-carboxylate (2) by p-toluenesulfonic acid-catalyzed imine formation and intramolecular cyclization followed by dehydrogenation using KOH/MeOH in one-pot operation. Thermal and photochemical reactions of azulenopyridazines 6 afforded 1-vinylazulenes 7 in good yields.
Relation:	Tetrahedron Letters，Vol. 51,Issue 37，Pages 4819-4822
Appears in Collections:	[Department of Applied Physics and Chemistry] Periodical Articles

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