N-Unsubstituted 4-iodopyrazole (1) is easily converted into 4-alkynyl derivatives (5) in moderate to good overall yields by using intermediate protection of the nitrogen atom of the pyrazole ring by ethyl vinyl ether.
|Number of pages||8|
|Publication status||Published - 1 Apr 2003|
ASJC Scopus subject areas
- Analytical Chemistry
- Organic Chemistry