REACTION OF CAMPHOR WITH SODIUM BOROHYDRIDE: A STRATEGY TO INTRODUCE THE STEREOCHEMICAL ISSUES OF A REDUCTION REACTION

被引:9
作者
Alves, Pericles B. [1 ]
Victor, Mauricio M. [2 ]
机构
[1] Univ Fed Sergipe, Dept Quim, Ctr Ciencias Exatas & Tecnol, BR-49100000 Sao Cristovao, SE, Brazil
[2] Univ Fed Bahia, Inst Quim, Dept Quim Organ, BR-40170290 Salvador, BA, Brazil
来源
QUIMICA NOVA | 2010年 / 33卷 / 10期
关键词
camphor; reduction; sodium borohydride; NUCLEOPHILIC-ADDITION; REACTION PATHS; CARBONYL GROUP; AB-INITIO; MECHANISM; KETONES; MODEL; NMR;
D O I
10.1590/S0100-40422010001000042
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
REACTION OF CAMPHOR WITH SODIUM BOROHYDRIDE: A STRATEGY TO INTRODUCE THE STEREOCHEMICAL ISSUES OF A REDUCTION REACTION. Reduction of camphor to a mixture of borneol and isoborneol was performed using NaBH(4) as the reducing agent under suitable conditions. Although more effective reduction was accomplished using toxic methanol, an alternative non-toxic ethanolic system is described. This experiment is important to introduce undergraduate students in reductive procedures, and can be used to show details on stereoselective procedures on carbonyl moieties (facial diastereoselectivity, Burgi-Dunitz trajectory, diastereomeric excess).
引用
收藏
页码:2274 / 2278
页数:5
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