1,2-Diamination of Alkenes via 1,3-Dipolar Cycloaddition with Azidium Ions or Azides.
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DOI: 10.1021/acs.orglett.2c03908
Abstract: We describe two new methods for the 1,2-diamination of alkenes. First, either an azidium ion (ArN═N+═NAr) undergoes 1,3-dipolar cycloaddition with an alkene to give a 1,2,3-triazolinium ion directly, or an intramolecular azide-alkene cycloaddition followed by… read more here.
Keywords: dipolar cycloaddition; azidium; via dipolar; diamination alkenes ... See more keywords
Synthesis of pyrazolines via 1,3-dipolar cycloaddition reactions
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DOI: 10.1080/00397911.2023.2201455
Abstract: Abstract Among the large number of reports published on strategies applicable to the synthesis of pyrazolines and its analogs, The 1,3-dipolar cycloaddition offers a remarkably wide range of utility. Many 1,3-dipolar cycloaddition reactions used for… read more here.
Keywords: dipolar cycloaddition; via dipolar; pyrazolines via; cycloaddition reactions ... See more keywords
Design and synthesis of sinomenine isoxazole derivatives via 1,3-dipolar cycloaddition reaction
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DOI: 10.1080/14786419.2019.1677649
Abstract: Abstract A novel structure of sinomenine isoxazole derivatives is synthesised from sinomenine hydrochloride and aromatic aldehydes and requires six steps. 19 target compounds have been obtained in good yields. The sinomenine hydrochloride transforms to 4-alkynyl… read more here.
Keywords: isoxazole derivatives; reaction; sinomenine isoxazole; dipolar cycloaddition ... See more keywords