Birgitte Fält‐Hansen

Azide ring-opening-ring-closure reactions and tele-substitutions in vicinal azidopyrazole-, pyrrole- and indolecarboxaldehydes

Jan Becher, Per Lauge Joergensen, Krystian Pluta et al. · The Journal of Organic Chemistry · 1992 · 45 citations

Molecular Sciences, Heterocyclic, Donut Icon +10

Selective <i>N</i>‐1 alkylation of unsymmetrically substituted pyrazoles

Nageshwar Malhotra, Birgitte Fält‐Hansen, Jan Becher · Journal of Heterocyclic Chemistry · 1991 · 17 citations

Engineering, Heterocyclic, Pyrazole C‐3 Position +8

A Facile Preparation of<i>o</i>-Aminoheteroarenecarbothialdehydes

Jan Becher, Per Lauge Jørgensen, Henrik Frydendahl et al. · Synthesis · 1991 · 16 citations

Inorganic Chemistry, Chemical Engineering, Engineering +14