کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1315407 | 976024 | 2009 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Cascade iodination–fluorination synthesis of 2-fluorothiophene and 5-fluoro-2-thienyliodonium salts
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی معدنی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The first synthesis of fluorine-containing 2-thienyliodonium salts was accomplished using cascade iodination–fluorination. According to this methodology, thiophene is first converted to bis(2-thienyl)iodonium hexafluorophosphate using an electrophilic iodination reaction. Upon heating with potassium fluoride, this salt undergoes regioselective fluorination producing 2-fluorothiophene. 2-Fluorothiophene is then iodinated again to yield fluorothienyliodonium salts.
The title method was successfully used for the preparation of 2-fluorothiophene and corresponding iodonium salts. The best results were achieved using thermolysis of hexafluorophosphates in the presence of KF.Figure optionsDownload as PowerPoint slide
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Fluorine Chemistry - Volume 130, Issue 5, May 2009, Pages 501–504
Journal: Journal of Fluorine Chemistry - Volume 130, Issue 5, May 2009, Pages 501–504
نویسندگان
Petro P. Onys’ko, Tetyana V. Kim, Olena I. Kiseleva, Yuliya V. Rassukana, Andrei A. Gakh,