Concepedia

A new protocol to synthesize 1,4-dihydropyridines by using 3,4,5-trifluorobenzeneboronic acid as a catalyst in ionic liquid: synthesis of novel 4-(3-carboxyl-1H-pyrazol-4-yl)-1,4-dihydropyridines

R. Sridhar, Paramasivan T. Perumal

Tetrahedron · 2005 · 187 citations · 28 references

DOI

Concepts

References

28

Friedel-Crafts reactions in ambient-temperature molten salts

Jeffrey A. Boon, Joseph A. Levisky, Jodi L. Pflug et al. · The Journal of Organic Chemistry · 1986 · 502 citations

, , +15

3,4,5-Trifluorobenzeneboronic Acid as an Extremely Active Amidation Catalyst

Kazuaki Ishihara, Suguru Ohara, Hisashi Yamamoto · The Journal of Organic Chemistry · 1996 · 483 citations

, , +10

Approaches to Combinatorial Synthesis of Heterocycles:  A Solid-Phase Synthesis of 1,4-Dihydropyridines

M. F. GORDEEV, Dinesh V. Patel, Eric M. Gordon · The Journal of Organic Chemistry · 1996 · 252 citations

Broensted superacidity of hydrochloric acid in a liquid chloroaluminate. Aluminum chloride - 1-ethyl-3-methyl-1H-imidazolium chloride (55.O m/o AlCl3)

Gregory P. Smith, A. S. Dworkin, Richard M. Pagni et al. · Journal of the American Chemical Society · 1989 · 166 citations

, , +11

Catalytic Beckmann rearrangement of ketoximes in ionic liquids

Jiajian Peng, Youquan Deng · Tetrahedron Letters · 2001 · 145 citations

, , +3