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Syntheses of 5-hydroxy-2-(phenyl or styryl)chromones and of some halo derivatives

✍ Scribed by Diana C. G. A. Pinto; Artur M. S. Silva; José A. S. Cavaleiro

Book ID
112131702
Publisher
Journal of Heterocyclic Chemistry
Year
1996
Tongue
English
Weight
594 KB
Volume
33
Category
Article
ISSN
0022-152X

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## Abstract Mass spectra of fourteen 2‐styryl‐ and 2,5‐distyrylfuran and ‐thiophene derivatives are reported. Each styryl substituent has an α‐carboxylic acid or methyl carboxylate substituent. Although the parent ion is the base peak for the styryl and distyryl derivatives, the distyryl species sh