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ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 54, Number 4
JKCSEZ 54(4)
August 20, 2010 |
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Title |
An Efficient One-Pot Strategies for the Synthesis of [1,3] Oxazine Derivatives
[1,3] Oxazine 유도체 합성을 위한 효율적인 One-Pot 합성
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Author |
Suryakant B Sapkal, Kiran F Shelke, Bapurao B Shingate, Murlidhar S Shingare*
Suryakant B Sapkal, Kiran F Shelke, Bapurao B Shingate, Murlidhar S Shingare* |
Keywords |
[1,3] Oxazine 유도체, One-pot 전략, Cyclocondensation, Ionic liquid, Grinding
, [1,3] Oxazine derivatives, One-pot strategies, Cyclocondensation, Ionic liquid, Grinding
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Abstract |
Sodium hydrogen sulphate (NaHSO4), n-tetra butyl ammonium bromide (TBAB) as a phase transfer catalyst (PTC) in water, and 1-butyl-3-methyl imidazolium hydrogen sulphate [bmim]HSO4 as ionic liquid (IL) has been used as a mild reaction promoter for the cyclocondensation of formalin, β-naphthol and aromatic amines to afford respective 2,3-dihydro-2- phenyl-1H-naphtho-[1,2-e] [1,3] oxazine derivatives. The present protocols are greener, high yielding and involved the nonchromatographic isolation procedure.
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437 - 442 |
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