Concepedia

Convenient one pot synthesis of 5‐unsubstituted pyrazolo [3,4‐<i>c</i>]isoquinolines

Sergei L. Bogza, A. A. Malienko, S.Yu. Sujkov, Igor F. Perepichka, N. M. Bogdan, V. I. Dulenko, Martin R. Bryce

Journal of Heterocyclic Chemistry · 2001 · 10 citations · 5 references

DOI

Concepts

Abstract

Abstract The convenient one pot synthesis of pyrazolo[3,4‐ c ]isoquinolines 1 from 5‐aminopyrazoles 2 and paraformaldehyde in formic or trifluoroacetic acids is described.

References

5

NMR Chemical Shifts of Common Laboratory Solvents as Trace Impurities

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Douglas W. Young · Journal of Organometallic Chemistry · 1988 · 152 citations

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Ring Transformations of Heterocycles

H. C. VAN DER PLAS · Heterocycles · 1983 · 135 citations · Full text

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NaH-Mediated One-Pot Cyclocondensation of 6-Nitroquinoline with Aromatic Hydrazones To Form [1.2.4]Triazino[6,5-<i>f</i>]quinolines and/or Pyrazolo[3,4-<i>f</i>]quinolines

Takehiko Kawakami, Kōji Uehata, Hitomi Suzuki · Organic Letters · 2000 · 23 citations

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Preclinical studies with pyrazolopyridine non-benzodiazepine anxiolytics: ICI 190,622

Jitendra Patel, B.A. Meiners, Andre I. Salama et al. · Pharmacology Biochemistry and Behavior · 1988 · 20 citations

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