Direct Synthesis of Secondary Benzylic Alcohols Enabled by Photoredox/Ni Dual-Catalyzed Cross-Coupling
作者:Rauful Alam、Gary A. Molander
DOI:10.1021/acs.joc.7b02589
日期:2017.12.15
An operationally simple, mild, redox-neutral method for the cross-coupling of alpha-hydroxyalkyltrifluoroborates is reported. Utilizing an Ir photocatalyst, alpha-hydroxyalkyl radicals are generated from the single-electron oxidation of the trifluoroborates, and these radicals are subsequently engaged in a nickel-catalyzed C-C bond-forming reaction with aryl halides. The process is highly selective, functional group tolerant, and step economical, which allows the direct synthesis of secondary benzylic alcohol motifs.
US3953525A
申请人:——
公开号:US3953525A
公开(公告)日:1976-04-27
US4051261A
申请人:——
公开号:US4051261A
公开(公告)日:1977-09-27
.alpha.-Substituted-4-(2,2-dimethyl-1-hydroxypropyl)benzyl alcohols and
申请人:Sandoz, Inc.
公开号:US03953525A1
公开(公告)日:1976-04-27
.alpha.-substituted-4-(2,2-dimethyl-1-hydroxypropyl) benzyl alcohols and esters, e.g., .alpha.-methyl-4-(2,2-dimethyl-1-hydroxypropyl) benzyl alcohol, are prepared from the corresponding 1-(4-alkanoylphenyl) alkanols and derivatives and are useful as hypolipidemic agents.