期刊
CHEMICAL SCIENCE
卷 5, 期 2, 页码 694-698出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3sc52824c
关键词
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资金
- NSF [CHE-1213409]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1213409] Funding Source: National Science Foundation
We describe a regioselective diborylation of primary benzylic C-H bonds catalyzed by [Ir(COD)OMe](2) and 4,4'-di-tert-butyl-2,2'-bipyridine (dtbpy). The hydrosilyl group acts as a traceless directing group, providing access to a range of 1,1-benzyldiboronate esters in good yields. Transformations of the 1,1-benzyldiboronate ester products include chemoselective Suzuki-Miyaura cross-couplings and synthesis of tetrasubstituted alkenyl boronate esters.
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