ArticleOrganic & biomolecular chemistry2021
A one-pot successive cyclization-alkylation strategy for the synthesis of 2,3-disubstituted benzo[
Article in Organic & biomolecular chemistry, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 7 citations in OpenAlex.
- Choline Chloride/Urea - Promoted Iodocyclization of 3-Alkynylthiophene-2-carboxamides: A Green Synthesis of 4-Iodo-7H-thieno[2,3-c]pyran-7-imines and Their Coupling Reactions in Deep Eutectic Solvents.Chemistry (Weinheim an der Bergstrasse, Germany) · 2025Article
- Synthesis of Benzo[The Journal of organic chemistry · 2022Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
In this study, a new environmentally benign iodine-mediated one-pot iodocyclization/alkylation strategy for the synthesis of benzo[b]thiophene derivatives starting from 2-alkynylthioanisoles was developed. The synthesis of a diverse population of 2,3-disubstituted benzo[b]thiophenes was achieved in high yields by employing moderate reaction conditions using 1,3-dicarbonyl substrates as the nucleophile and various substituted propargyl alcohols as both the cyclization precursor and the alkylating agent. This method resulted in the formation of a series of complex structures obtained in a single step. Additionally, a strategy was devised for the one pot iodocyclization/oxidation of propargyl alcohols into carbonyl functionalized benzo[b]thiophene structures. These green one-pot reaction processes were designed to reduce wastes and byproducts while generating a complex substitution pattern on the benzo[b]thiophene structure. The reported methodologies may be used to synthesize more functionalized benzo[b]thiophene structures that can be used in both biomedical and organic electronic applications.
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