期刊
TETRAHEDRON
卷 70, 期 34, 页码 5207-5213出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2014.05.094
关键词
4H-Pyrimido[2,1-b]benzothiazoles; Iron fluoride; One-pot; Solvent-free; Biginelli reaction
资金
- National Research Foundation of Korea [22A20130012426] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A new iron fluoride assisted convenient and efficient strategy for the preparation of 4H-pyrimido[2,1-b] benzothiazoles derivatives in solvent-free media is described. The reactions can be performed at low-catalyst loadings with excellent functional group tolerance. The catalyst can be readily recovered and reused for next reaction for at least three runs without any significant impact on the yields of the products. The easy recovery of the catalyst and high yield of the products make the protocol attractive, sustainable, and economic. (C) 2014 Elsevier Ltd. All rights reserved.
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