A novel and efficient synthesis of trivalent 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide derivatives - Artner, Johannes; Ciesielski, Michael; Ahlmann, Martin; Walter, Olaf; Döring, Manfred (ARKIVOC, 2007)
doi: 10.3998/ark.5550190.0008.312