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Issue 4, 2003
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Environmentally benign, sequential synthesis of 3,4-dihydro-2H-1,4-benzoxazines under phase transfer catalysis conditions

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Abstract

An environmentally friendly synthesis of 2-substituted 3,4-dihydro-2H-1,4-benzoxazines has been carried out in a sequential fashion through the R4N+F catalyzed ring opening of epoxides with arylsulfonamides, followed by in situ cyclization of the hydroxysulfonamides thus obtained with NaOH aq. and n-C14H29N+Me3Cl.

Graphical abstract: Environmentally benign, sequential synthesis of 3,4-dihydro-2H-1,4-benzoxazines under phase transfer catalysis conditions

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Publication details

The article was received on 11 Apr 2003 and first published on 30 May 2003


Article type: Communication
DOI: 10.1039/B304095J
Green Chem., 2003,5, 367-369

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    Environmentally benign, sequential synthesis of 3,4-dihydro-2H-1,4-benzoxazines under phase transfer catalysis conditions

    D. Albanese, A. Donghi, D. Landini, V. Lupi and M. Penso, Green Chem., 2003, 5, 367
    DOI: 10.1039/B304095J

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