3.1
[1]. A K Seth, et al. A study of the efficiency and the problem of sulfonation of several condensing reagents and their mechanisms for the chemical synthesis of deoxyoligoribonucleotides. Nucleic Acids Res. 19 Nov 5;():55-59.
[]. Edward Richmond, et al. Asymmetric pericyclic cascade approach to spirocyclic oxindoles. Org Lett. 1 Jun 1;1(11):76-5.
[3]. Mohammed A E Sallam, et al. Homo-C-nucleoside analogs III. Studies on the base-catalyzed dehydrative cyclization of -(d-manno-pentitol-1-yl)--phenyl-H-1,,3-triazole. Carbohydr Res. 1 Oct 13;35(15):33-.
[]. Sunil Kumar, et al. Neomycin-neomycin dimer: an all-carbohydrate scaffold with high affinity for AT-rich DNA duplexes. J Am Chem Soc. 11 May 1;133(19):7361-75.
[5]. T Szabó, et al. A new approach to the synthesis of the 5'-deoxy-5'-methylphosphonate linked thymidine oligonucleotide analogues. Nucleic Acids Res. 1995 Mar 5;3(6):93-9.
H31
P6-P6-P-P31+P33+P331-P3+P3-P363-P5-P51
GHS5
361