Selective ligand-free cobalt-catalysed reduction of esters to aldehydes or alcohols†,Catalysis Science & Technology

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Selective ligand-free cobalt-catalysed reduction of esters to aldehydes or alcohols†
Catalysis Science & Technology ( IF 5 ) Pub Date : 2018-06-22 00:00:00 , DOI: 10.1039/c8cy00728d
Vincent Rysak _{1,

2,

3,

4,

5} , Armel Descamps-Mandine _{6,

7,

8,

9,

10} , Pardis Simon _{1,

2,

3,

4,

5} , Florent Blanchard _{1,

2,

3,

4,

5} , Laurence Burylo _{1,

2,

3,

4,

5} , Martine Trentesaux _{1,

2,

3,

4,

5} , Maxence Vandewalle _{1,

2,

3,

4,

5} , Vincent Collière _{10,

11,

12} , Francine Agbossou-Niedercorn _{1,

2,

3,

4,

5} , Christophe Michon _{1,

2,

3,

4,

5}

Affiliation

Cobalt(II) salts combined with NaBHEt₃ and eventually a base catalyse efficiently and selectively the reduction of esters to aldehydes or alcohols through hydrosilylation by using phenylsilane. Catalyst characterisation by XRD, XPS, TEM and STEM analyses indicates the materials were partially crystalline with the presence of cobalt nanoparticles. Control experiments suggested low valent Co(0) was the active catalytic species involved.

中文翻译：

无选择性的无配位钴催化的酯还原为醛或醇†

与NaBHEt ₃结合的钴（II）盐，最终与碱结合使用苯硅烷，通过加氢硅烷化反应有效且选择性地将酯还原为醛或醇。通过XRD，XPS，TEM和STEM分析对催化剂进行表征，表明该材料在存在钴纳米颗粒的情况下部分结晶。对照实验表明，低价Co（0）是所涉及的活性催化物质。

更新日期：2018-06-22

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