ArticleRSC advances2025
Transition-metal-free regioselective synthesis of spiro-oxazolidines through [3 + 2] annulation reactions of azadienes with haloalcohols.
Article in RSC advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
The transition-metal-free regioselective [3 + 2] annulation of azadienes with haloalcohols for the preparation of highly functionalized spiro-oxazolidines is experimentally simple and proceeds under mild conditions. The metal-free protocols have more significance than the metal-catalyzed ones when the toxicity associated with the metal catalyst is considered. This transformation features a broad substrate scope, good yields, and excellent regioselectivity. Moreover, large-scale synthesis and representative transformations of spiro-oxazolidines were carried out to provide additional evidence on the practicality of this approach.
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