Journal
TETRAHEDRON LETTERS
Volume 52, Issue 35, Pages 4539-4542Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.06.080
Keywords
Ferric sulfate [Fe-2(SO4)(3)center dot xH(2)O]; Heterogeneous catalyst; Tetrahydroquinoline derivatives; Povarov reaction; Multicomponent reactions
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Funding
- IIT Guwahati
- UGC
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Fe-2(SO4)(3)center dot xH(2)O can be used as an efficient and reusable catalyst for the synthesis of pyrano- and furanotetrahydroquinolines via one-pot three-component Povarov reaction involving aromatic aldehydes, aromatic amines, and cyclic enol ethers. The catalyst is recyclable, economically viable, and environmentally benign. This protocol provides good yields and diastereoselectivity as well as applicability on a wide range of substrates. (C) 2011 Elsevier Ltd. All rights reserved.
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