Crown ether complex cation ionic liquids (CECILs) as environmentally benign catalysts for three-component synthesis of 4,5-dihydropyrano[3,2-c]chromene and 4,5-dihydropyrano[4,3-b]pyran derivatives
2014 ◽
Vol 41
(10)
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pp. 7715-7723
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2014 ◽
Vol 20
(40)
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pp. 12894-12900
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2011 ◽
Vol 17
(31)
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pp. 8731-8738
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2017 ◽
Vol 38
(4)
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pp. 440-449
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2006 ◽
Vol 9
(12)
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pp. 1191-1194
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