期刊
CHEMICAL COMMUNICATIONS
卷 -, 期 7, 页码 754-756出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b614618j
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资金
- Engineering and Physical Sciences Research Council [GR/S57785/01] Funding Source: researchfish
The orientation of Ar-C, Ar-N and Ar-O bonds in biaryls, N,N'-diarylureas and diaryl ethers (whose conformers are distinguishable by NMR) may be controlled with a selectivity up to > 95 : 5 by an adjacent stereogenic centre; the selectivity may be greater when a second stereogenic axis is inserted between the controlling centre and the slowly rotating bond.
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