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IR spectra of some 2-, and 3-substituted furan derivatives

✍ Scribed by J.T. Wrobel; K. Galuszko

Publisher
Elsevier Science
Year
1965
Tongue
French
Weight
185 KB
Volume
6
Category
Article
ISSN
0040-4039

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✦ Synopsis

Research on 2-and 3-monosubstituted furan derivative8 has not been able to establish accurately the site of substitution in the furan ring on the sole evidence of ring deformation vibrations maxima in the region of -1 1000-700 cm ( so that interpretation of the IR spectra haVe to be supplemented by chemical evidence of the structure of the compounds in question. In an

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## Abstract magnified image Four series of substituted furan and pyrrole have been synthesized. The first series was prepared by cyclization of the key intermediates ethyl 5‐[(4‐substituted thiosemicarbazido)methyl]‐2‐methylfuran‐3‐carboxylates **2a‐2d** and 1‐[(4‐acetyl‐5‐methyl‐1__H__‐pyrrol‐2‐y