10.1021/acs.orglett.7b03811.s001
Zhiyong Wang
Zhiyong
Wang
Yanzhou Yang
Yanzhou
Yang
Fang Gao
Fang
Gao
Qian Luo
Qian
Luo
Ling Fang
Ling
Fang
Synthesis of 5‑(Trifluoromethyl)pyrazolines
by Formal [4 + 1]-Annulation of Fluorinated Sulfur Ylides and Azoalkenes
American Chemical Society
2018
Annulation
synthesis
annulation
Trifluoromethyl
method
Synthesi
Fluorinated Sulfur Ylides
Azoalkene
trifluoromethyl
yield
diaza
Formal
sulfur ylides
2018-02-02 04:36:10
Journal contribution
https://acs.figshare.com/articles/journal_contribution/Synthesis_of_5_Trifluoromethyl_pyrazolines_by_Formal_4_1_-Annulation_of_Fluorinated_Sulfur_Ylides_and_Azoalkenes/5848566
In situ formed 1,2-diaza-1,3-dienes
were used in formal [4 + 1]-annulation
reactions with fluorinated sulfur ylides. This protocol provides a
novel and efficient method for the synthesis of 5-(trifluoromethyl)Âpyrazolines
in moderate to excellent yields.