{"title":"Thiourea-Ammonium Chloride Mediated Knoevenagel Condensation as an Intermediate in the Synthesis of Pyrimidine Scaffolds under Solvent-free Condition","authors":"A. M. Rayate, M. R. Gaware","doi":"10.2174/0115701786286587240130114029","DOIUrl":null,"url":null,"abstract":": In this paper, we have reported solvent solvent-free method for Knoevenagel condensation reaction of various aldehydes with active methylene compounds using thiourea and ammonium chloride. The developed method demonstrated high efficiency in the formation of C-C bond. The reaction proceeds smoothly under mild and solvent-free conditions and the products obtained are in excellent yield in very short duration. This method is applicable to a wide range of aldehydes with active methylene compounds.","PeriodicalId":18116,"journal":{"name":"Letters in Organic Chemistry","volume":null,"pages":null},"PeriodicalIF":0.7000,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Letters in Organic Chemistry","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.2174/0115701786286587240130114029","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CHEMISTRY, ORGANIC","Score":null,"Total":0}
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Abstract
: In this paper, we have reported solvent solvent-free method for Knoevenagel condensation reaction of various aldehydes with active methylene compounds using thiourea and ammonium chloride. The developed method demonstrated high efficiency in the formation of C-C bond. The reaction proceeds smoothly under mild and solvent-free conditions and the products obtained are in excellent yield in very short duration. This method is applicable to a wide range of aldehydes with active methylene compounds.
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Letters in Organic Chemistry publishes original letters (short articles), research articles, mini-reviews and thematic issues based on mini-reviews and short articles, in all areas of organic chemistry including synthesis, bioorganic, medicinal, natural products, organometallic, supramolecular, molecular recognition and physical organic chemistry. The emphasis is to publish quality papers rapidly by taking full advantage of latest technology for both submission and review of the manuscripts.
The journal is an essential reading for all organic chemists belonging to both academia and industry.
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