Diastereoselective Synthesis of 7,8-Carvone Epoxides

被引:4
|
作者
Pombal, Sofia [1 ]
Tobal, Ignacio E. [2 ]
Roncero, Alejandro M. [2 ]
Rodilla, Jesus M. [1 ]
Garrido, Narciso M. [2 ]
Sanz, Francisca [3 ]
Esteban, Alberto [2 ]
Tostado, Jaime [2 ]
Moro, Rosalina F. [2 ]
Jose Sexmero, Maria [2 ]
Jambrina, Pablo G. [4 ]
Diez, David [2 ]
机构
[1] Univ Beira Interior, Fac Ciencias, FibEnTech Mat Fibrosos & Tecnol Ambientais, Dept Quim, Rua Marques de Avila e Bolama, P-6201001 Covilha, Portugal
[2] Univ Salamanca, Dept Quim Organ, Fac Ciencias Quim, Plaza Caidos 1-5, E-37008 Salamanca, Spain
[3] Univ Salamanca, Serv Difracc Rayos X, Nucleus, Plaza Caidos 1-5, E-37008 Salamanca, Spain
[4] Univ Autonoma Madrid, Fac Ciencias, Dept Quim Fis Aplicada, Ciudad Univ Cantoblanco, E-28049 Madrid, Spain
来源
CATALYSTS | 2018年 / 8卷 / 06期
关键词
organocatalysis; aminocatalysis; proline; carvone; epoxidation; epoxide; C-H; EPOXIDATION; CARVONE; ALKENES; OLEFINS; OXIDATION; EFFICIENT; ORGANOCATALYSIS; DERIVATIVES; ENANTIOPURE;
D O I
10.3390/catal8060250
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The synthesis of the two 7,8-epoxides of carvone has been attained using organocatalysis in a two-step synthetic route through a bromoester intermediate. Among the different reaction conditions tested for the bromination reaction, moderate yields and diastereoselection are achieved using proline, quinidine, and diphenylprolinol, yielding the corresponding bromoesters that were transformed separately into their epoxides, obtaining the enantiopure products.
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页数:12
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