"A. Ohkubo,N. Tago,A. Yokouchi,; Y. Nishino,K. Yamada,H. Tsunoda,K. Seio,M. Sekine","Synthesis of 5 '-terminal capped oligonucleotides using O-N phosphoryl migration of phosphoramidite derivatives",,"ORGANIC LETTERS",,"Vol. 14","No. 1","pp. 10-13",2012,Jan. "A. Ohkubo,Y. Nishino,Y. Ito,H. Tsunoda,K. Seio,M. Sekine","Formation of new base pairs between inosine and 5-methyl-2-thiocytidine derivatives",,"ORGANIC & BIOMOLECULAR CHEMISTRY",,"Vol. 10","No. 10","pp. 2008-2010",2012, "A. Ohkubo,Y. Nishino,A. Yokouchi,Y. Ito,Y. Noma,Y. Kakishima,Y. Masaki,H. Tsunoda,K. Seio,M. Sekine","Stable triplex formation using the strong stacking effect of consecutive thionucleoside moieties",,"CHEMICAL COMMUNICATIONS",,"Vol. 47","No. 46","pp. 12556-12558",2011, "A. Ohkubo,Y. Kuwayama,Y. Nishino,H. Tsunoda,K. Seio,M. Sekine","Oligonucleotide synthesis involving deprotection of amidine-type protecting groups for nucleobases under acidic conditions",,"ORGANIC LETTERS",,"Vol. 12","No. 11","pp. 2496-2499",2010,June