A. Guirado, A. Cerezo, J. López-Sánchez
Dec 24, 2007
Citations
0
Influential Citations
7
Citations
Journal
Tetrahedron Letters
Abstract
3,3,6,6-Tetrachloro-2,2-dihydroxycyclohexanone has been found to be an excellent synthetic equivalent of unavailable 3-chloro-6-hydroxycyclohexa-1,2-benzoquinone. Reactions with 1,2-phenylenediamines provide hitherto unattainable 4-chloro-1-hydroxyphenazines in fair to high yields.