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Synthesis of Novel Bis(benzoxazole) Derivatives by Tandem Claisen Rearrangement and Their Fluorescence Behavior.

โœ Scribed by Emiko Koyama; Gang Yang; Seiji Tsuzuki; Kazuhisa Hiratani

Publisher
John Wiley and Sons
Year
2010
Weight
34 KB
Volume
33
Category
Article
ISSN
0931-7597

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Synthesis of Novel Bis(benzoxazole) Deri
Synthesis of Novel Bis(benzoxazole) Derivatives by Tandem Claisen Rearrangement and Their Fluorescence Behavior
โœ Emiko Koyama; Gang Yang; Seiji Tsuzuki; Kazuhisa Hiratani ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 186 KB ๐Ÿ‘ 1 views

Novel bis(benzoxazole) derivatives were easily synthesized from isobutenyl bis(amide-ether)s by tandem Claisen rearrangement and subsequent intramolecular cyclization of the amide-phenol intermediates. The yields of the bis(benzoxazole)s depended on whether the reaction was carried out with or witho