An expeditious and consistent procedure for tetrahydrofuran (THF) drying and deoxygenation by the still apparatus

Quimica nova

Barreto Jr., Cleber B.¹  Sales, Daniel L. de¹  Pereira, Vera L. P.¹  Simas, Alessandro B. C.¹  Carvalho, Leandro L. de¹ 

[1] Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brasil

关键词: THF;    still apparatus;    purification.;   

DOI  :  10.1590/S0100-40422009000900042

学科分类：化学（综合）

来源: Sociedade Brasileira de Quimica

【 摘 要 】

Despite the availabilityof alternative methods for drying tetrahydrofuran (THF), the use of the stillapparatus, wherein a THF solution containing Na-bezophenone ketyl is heatedto reflux, remains widespread. We herein propose a set of procedures to solvethe problems usually faced in applying this drying technique. Moreover, a discussionis made on the chemical knowledge underlying such procedures. Safety and economyissues concerned with the operation of the THF still apparatus are also discussed.

【 授权许可】

CC BY