A Novel One-Pot Synthesis of Substituted Quinolines
โ Scribed by Maryam Sabbaghan; Issa Yavari; Zinatossadat Hossaini; Sanaz Souri
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- German
- Weight
- 134 KB
- Volume
- 93
- Category
- Article
- ISSN
- 0018-019X
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โฆ Synopsis
Abstract
A synthesis of quinoline derivatives is described via reaction between ethyl bromopyruvate (=ethyl 3โbromoโ2โoxopropanoate), acetylenedicarboxylate, and isatin (=1__H__โindoleโ2,3โdione) in the presence of NaH as a base. Also, these reactions were performed without ethyl bromopyruvate. The reaction in the presence of ethyl bromopyruvate provides regioselectively a quinoline with the ethyl ester group in 4โposition. In the absence of ethyl bromopyruvate, the reaction leads to functionalized quinolines with the same ester groups in 2โ, 3โ, and 4โpositions.
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## Abstract A facile oneโpot synthesis of 5โbenzoylโ6โmethylthioโ1,2,3,4โtetrahydropyrimidines in good yields is reported.
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