C-O hydrogenolysis catalyzed by Pd-PMHS nanoparticles in the company of chloroarenes.
C-O hydrogenolysis catalyzed by Pd-PMHS nanoparticles in the company of chloroarenes.
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DOI:
10.1021/ol102757v
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发表时间:
2011-02-18
期刊:
影响因子:
5.2
通讯作者:
Maleczka, Robert E., Jr.
中科院分区:
文献类型:
--
作者:
Rahaim, Ronald J., Jr.;Maleczka, Robert E., Jr.
Catalytic Pd(OAc)2 and polymethylhydrosiloxane (PMHS), in conjunction with aqueous KF, and a catalytic amount of an aromatic chloride, effects the chemo, regio, and stereoselective deoxygenation of benzylic oxygenated substrates at room temperature in THF. Preliminary mechanistic experiments suggest the process to involve palladium-nanoparticle catalyzed hydrosilylation followed by C–O reduction. The chloroarene additive appears to facilitate the hydrogenolysis process through the slow controlled release of HCl.
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