UDC 547.322'572.1'479.07 2-(4-Alkylthiophenyl)-and 2-(4-phenylthiophenyl)pyrroles and their 1-vinyl derivatives were synthesized by the reaction of 4-alkylthio-and 4-phenylthioacetophenone oximes with vinyl chloride in a KOH-DMSO system at 120 and 130~ and at atmospheric pressure. As we know, sever
Pyrroles from ketoximes and acetylene. 43. 1,2-Dihaloalkanes and vinyl chloride in the synthesis of 2-(4-alkylthiophenyl)pyrroles
โ Scribed by I. A. Aliev; A. I. Mikhaleva; B. R. Gasanov; N. I. Golovanova
- Publisher
- Springer US
- Year
- 1990
- Tongue
- English
- Weight
- 274 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0009-3122
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๐ SIMILAR VOLUMES
We have studied the reaction of 1-vinyl-2-(2.furyl). and -(2-thienyl)pyrroles with trifluoroacetic anhydride, with hydrogen in the presence of catalysts (Raney nickel, palladium black, palladous chloride), with propargyl alcohol in electrophUic conditions [catalysis by perfluorobutyric acid in the s
Treatment of 1,4-diketones with liquid ammonia gives high yields of isolable 2-hydroxy-3,4-dihydro-ZH-pyrrole intermediates. These intermediates, which do not appear to have been observed previously in the ?aal-norr s have been fully characterized by i-r. r and Hand nthesis with anaaonia, C n.m.r. s
## Abstract A mild and convenient method for the synthesis of 4(3)โsubstituted 3(4)โnitroโ1__H__โpyrroles and 3โsubstituted 4โmethylโ2โtosylโ1__H__โpyrroles from nitroolefins and tosylmethyl isocyanide (TosMIC) in ionic liquid 1โbutylโ3โmethylimidazolium bromide ([bmIm]Br) was developed. The react