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Functional derivatives of thiophene. I. Synthesis and 1 H‐NMR spectra in the 2‐aminothiophene series
Author(s) -
Galvez C.,
Garcia F.
Publication year - 1981
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570180450
Subject(s) - chemistry , nmr spectra database , spectral line , coupling constant , thiophene , computational chemistry , stereochemistry , combinatorial chemistry , organic chemistry , particle physics , physics , astronomy
The preparation of 2‐amino‐5‐nitrothiophene, 2‐formamido‐5‐nitrothiophene, 2‐acetamido‐5‐nitrothiophene and 2‐ t ‐butyloxycarbonylamino‐5‐nitrothiophene are described. Abnormal values of the coupling constants J 3.4 had been observed in the 1 H‐nmr spectra of compounds obtained.