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Synthesis 1997; 1997(8): 895-898
DOI: 10.1055/s-1997-1290
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The Synthesis of Reduced Phenoxazines as Potential Chain-Breaking Antioxidants

David W. Brown, Aleyamma Ninan, Malcolm Sainsbury*
  • *School of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY, UK, Fax +44(1225)826231; E-mail: m.sainsbury@bath.ac.uk
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Publication Date:
31 December 2000 (online)

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Routes to potential chain-breaking antioxidants, based upon phenoxazines, have been studied and a new synthesis of 1,2,3,4,4a,10a-hexahydro-10H-phenoxazines from trans-2-[N-(2-hydroxyphenyl)-amino]cyclohexanols has been developed using a Mitsunobu reaction to form the oxazine ring.

1,2,3,4,4a,10a-hexahydro-10H-phenoxazines - 2-[N-(2-hydroxycyclohexyl)amino]phenols - Mitsunobu reaction - radical cations