期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 2020, 期 5, 页码 467-474出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201901276
关键词
Hydroboration; Carbonyl compounds; Zinc; Chemoselectivity
资金
- JICA FRIENDSHIP Project under the Collaboration Kick-starter Program (CKP)
- Inspire Fellowship India [IF180108]
- CSIR, India
- Osaka University, Japan
Here, we report the reaction between N-phenyl-o-phenylenediamine and pyrrole-2-carboxaldehyde to afford the N-phenyl-o-phenyl-enediiminopyrrole ligand {L-H2} in quantitative yield. A one-pot reaction between {L-H2} and diethylzinc (ZnEt2) in a 2:1 ratio afforded the homoleptic zinc metal complex [{L-H}(2)Zn] (1). The solid-state structures of ligand {L-H2} and zinc complex 1 were confirmed using X-ray crystallography. Further, complex 1 was used for chemoselective hydroboration of aldehydes and ketones in the presence of pinacolborane (HBpin) at ambient temperature to produce the corresponding boronate esters in high yield.
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