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Research Articles

The syntheses of 2-hydroxybenzothiazole substituted cyclotriphosphazenes: Spectroscopic characterizations

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Pages 277-282 | Received 10 Jan 2023, Accepted 26 Dec 2023, Published online: 22 May 2024
 

Abstract

The nucleophilic substitution reactions of mono- and bis-spiro-2,2’-dioxybiphenyl cyclotriphosphazenes (1a and 1b) with 2-hydroxybenzothiazole (2) were performed in the presence of metallic sodium in THF. Two novel 2-oxybenzothiazole-substituted spiro-2,2′-dioxybiphenyl cyclotriphosphazene derivatives (3a and 3b) were obtained from these reactions. Both compounds (3a, 3b) have been characterized by elemental analysis as well as by 1H, 13C and 31P NMR spectroscopy. Compounds 3a and 3b are reported for the first time in this study.

GRAPHICAL ABSTRACT

Disclosure statement

No potential conflict of interest was reported by the authors.

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