Synthesis, Characterization of Spirocyclic λ 3 ‐Iodanes and Their Application to Prepare 4,1‐Benzoxazepine‐2,5‐diones and 1,3‐Diynes | Zendy

Sun Xu | Zendy; Guo XiaoQiang | Zendy; Chen LianMei | Zendy; Kang TaiRan | Zendy

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Synthesis, Characterization of Spirocyclic λ 3 ‐Iodanes and Their Application to Prepare 4,1‐Benzoxazepine‐2,5‐diones and 1,3‐Diynes

Author(s) -

Sun Xu,

Guo XiaoQiang,

Chen LianMei,

Kang TaiRan

Publication year - 2021

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.202005124

Subject(s) - cycloaddition , yield (engineering) , chemistry , solubility , solvent , combinatorial chemistry , substrate (aquarium) , characterization (materials science) , organic chemistry , catalysis , nanotechnology , materials science , metallurgy , oceanography , geology

Herein, a [3+2] cycloaddition of aza‐oxyallylic cations with ethynylbenziodoxolones for synthesis of new λ 3 ‐iodanes containing spirocyclic 4‐oxazolidinone has been developed. This cyclic λ 3 ‐iodanes display stability in air and excellent solubility in organic solvent. Using them as substrate, both the 4,1‐benzoxazepine‐2,5‐diones and symmetrical 1,3‐diynes derivatives were afforded in high yield under copper(I)‐catalyzed conditions.

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