Bifunctional Nanoscopic Catalysts for the One-Pot Synthesis of (±)-Menthol from Citral

被引：24

作者：

Negoi, Alina ^{[1
]}

Teinz, Katharina ^{[2
]}

Kemnitz, Erhard ^{[2
]}

Wuttke, Stefan ^{[3
]}

Parvulescu, Vasile I. ^{[1
]}

Coman, Simona M. ^{[1
]}

机构：

[1] Univ Bucharest, Fac Chem, Dept Organ Chem Biochem & Catalysis, Bucharest 030016, Romania

[2] Humboldt Univ, Inst Chem, D-12489 Berlin, Germany

[3] Univ Munich LMU, Dept Chem, D-81377 Munich, Germany

来源：

TOPICS IN CATALYSIS | 2012年 / 55卷 / 7-10期

关键词：

Noble metals; Doped nanoscopic fluorides; Sol-gel synthesis; Beta zeolite; Impregnation; Citral; Menthol; LIQUID-PHASE HYDROGENATION; SELECTIVE HYDROGENATION; CARBONYL-ENE; BETA; CITRONELLAL; CYCLIZATION; MENTHOL; STEP; TRANSFORMATION; NANOPARTICLES;

D O I：

10.1007/s11244-012-9850-y

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Active and selective bifunctional Me(Ir, Pd)/beta zeolite and doped nanoscopic hydroxylated fluorides (0.1 % Pd (or Pt)/AlF3) catalysts were developed for the one-pot synthesis of menthols from citral. In the case of fluoride catalysts, the strong electron-withdrawing effect of the dominating fluoride environment depletes the metal surface from electrons and hence, favours the hydrogenation of the C=C bond to citronellal on both Pd and Pt-based catalysts.

引用

页码：680 / 687

页数：8

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