"K. Seio,M. Shiraishi,E. Utagawa,A. Ohkubo,M. Sekine","Synthesis of oligodeoxynucleotides using the oxidatively cleavable 4-methoxytritylthio (MMTrS) group for protection of the 5 '-hydroxyl group",,"NEW JOURNAL OF CHEMISTRY",,"Vol. 34","No. 5","pp. 984-992",2010, "E. Utagawa,A. Ohkubo,M. Sekine,K. Seio","Synthesis of branched Oligonucleotides with three different sequences using an oxidatively removable tritylthio group",,"JOURNAL OF ORGANIC CHEMISTRY",,"Vol. 72","No. 22","pp. 8259-8266",2007,Oct. "E. Utagawa,M. Sekine,K. Seio","cis-tetrahydrofuran-3,4-diol structure as a key skeleton of new protecting groups removable by self-cyclization under oxidative conditions",,"JOURNAL OF ORGANIC CHEMISTRY",,"Vol. 71","No. 20","pp. 7668-7677",2006,Sept. "K. Seio,E. Utagawa,M. Sekine","New protected protecting groups for the 5 '-hydroxy group of deoxynucleosides by use of 2-(hydroxymethyl)- and 2-[(methylamino)methyl]benzoyl skeletons and oxidatively cleavable tritylthio and (4-methoxytrityl)thio groups",,"HELVETICA CHIMICA ACTA",,"Vol. 87","No. 9","pp. 2318-2333",2004,