438206-61-2Relevant academic research and scientific papers
New approaches to side-chain fluorinated bioimidazoles: 4-alkynylimidazoles as substrates for fluorination
Dolensky, Bohumil,Kirk, Kenneth L.
, p. 105 - 110 (2007/10/03)
4-Alkynylimidazoles have been prepared and their behavior as substrates for "FBr" addition (NBS+Et3N·3HF) have been studied. Facile Markownikov addition to ethylnylimidazole 2 gave fluorobromoolefin 9a, a potential synthon for the 2-imidazolyl-
Preparation of β-fluoro- and ββ-difluoro-histidinols
Dolensky, Bohumil,Narayanan, Jayan,Kirk, Kenneth L.
, p. 95 - 99 (2007/10/03)
Nucleophilic attack of azide on 2-bromo-3-fluoro-3-(1-trityl-1 H -imidazol-4-yl)-propan-1-ol (1a) in aprotic solvent occurs on the 2-position to give the 2-azido derivative (2a). Reduction of azide and removal of the trityl group produces β-fluorohistidin
New building blocks for fluorinated bioimidazole derivatives II: Preparation of β-fluorourocanic acids
Dolensky, Bohumil,Kirk, Kenneth L.
, p. 3468 - 3473 (2007/10/03)
Replacement of vinyl hydrogen with fluorine is based on addition of an FBr equivalent to a double bond followed by HBr elimination. This sequence has been adapted to prepare 3-fluoro-3-imidazolylpropenoic acids (β-fluorourocanic acids), and the related fl
