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- Title
Preparation of Mono and Bis‐Hydrazino‐Substituted N‐Heterocyclic Carbene Boranes.
- Authors
Bellec, Romane; Godelier, Romain; Joucla, Lionel; Renault, Anne; Lacôte, Emmanuel
- Abstract
We report the formation of NHC complexes of mono‐ and bis‐hydrazino boranes with N−N−B and N−N−B−N−N chains via the reaction of NHC‐boranes with electrophilic azo reagents. The influence of steric hindrance on the carbene and on the azo reagent has been shown to be crucial for the reactivity. The hydroboration of dissymmetric azo reagents is regioselective only when the latter is sufficiently electronically twisted. Bis‐hydrazino borane complexes with two different hydrazine arms could be obtained via sequential addition.
- Subjects
BORANES; ELECTROPHILES; STERIC hindrance; HYDROBORATION; HYDRAZINE
- Publication
European Journal of Organic Chemistry, 2023, Vol 26, Issue 46, p1
- ISSN
1434-193X
- Publication type
Article
- DOI
10.1002/ejoc.202300806