Synergistic Pd/Cu-catalysed regio- and stereoselective borylation of allenylic carbonates

A simple Pd/Cu-catalyzed borylation of allenylic carbonates with B 2 Pin 2 was developed using a cheap P(OEt) 3 ligand. Under mild neutral conditions, 2-boryl 1,3-butadienes were obtained selectively in moderate to high yields. Furthermore, the use of different diboron reagents was also feasible in...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2022-01, Vol.58 (7), p.137-14
Main Authors: Zhang, Wei-Dong, Zou, Jia-Yu, Zhong, Qin, Li, Shi-Sen, Zhao, Jian
Format: Article
Language:English
Subjects:
Carbonates
Reagents
Stereoselectivity
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Summary:A simple Pd/Cu-catalyzed borylation of allenylic carbonates with B 2 Pin 2 was developed using a cheap P(OEt) 3 ligand. Under mild neutral conditions, 2-boryl 1,3-butadienes were obtained selectively in moderate to high yields. Furthermore, the use of different diboron reagents was also feasible in the reaction. Synergistic Pd/Cu catalysis was used to achieve regio- and stereoselective borylation of allenylic carbonates, offering a straightforward strategy to produce 2-boryl 1,3-butadienes.
ISSN:1359-7345
1364-548X
DOI:10.1039/d1cc05854a