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Synthesis 1988; 1988(10): 782-785
DOI: 10.1055/s-1988-27706
DOI: 10.1055/s-1988-27706
paper
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Bindungsdelokalisierte Betaine; 1. Mitteilung. Neuartige Stickstoff-, Phosphor- und Arsen-Betaine des Maleinsäure-anhydrids durch Dreikomponenten-Reaktion
Further Information
Publication History
Publication Date:
12 September 2002 (online)
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Bond-Delocalized Betaines; Part 1. Novel Nitrogen, Phosphorus and Arsenic Betaines of Maleic Anhydride by a Three-Component Reaction Novel betaines derived from maleic anhydride were prepared by reaction of dichloromaleic anhydride with a cationogenic species such as pyridines, isoquinoline, quinoline, pyrazine, 1-methylimidazole, 4-methylmorpholine, triphenylphosphine, or triphenylarsine and water (Method A) or acetic anhydride (Method B).