K. Ramasamy

Esterification of N-protected .alpha.-amino acids with alcohol/carbodiimide/4-(dimethylamino)pyridine. Racemization of aspartic and glutamic acid derivatives

Madhup K. Dhaon, Richard K. Olsen, K. Ramasamy · The Journal of Organic Chemistry · 1982 · 195 citations

Pharmaceutical Science, Bioorganic Chemistry, Altmetric Attention Score +17

Total synthesis of 2' -deoxytoyocamycin, 2'-deoxysangivamycin and related 7-β--arabinofuranosylpyrrolo[2,3-]pyrimidines ring closure of pyrrole precursors prepared by the stereospecific sodium salt glycosylation procedure

K. Ramasamy, Roland K. Robins, Ganapathi R. Revankar · Tetrahedron · 1986 · 41 citations

Pyrrole Precursors, Bioorganic Chemistry, Related 7-β +9

A facile synthesis of tubercidin and related 7-deazapurine nucleosides the stereospecific sodium salt glycosylation procedure

K. Ramasamy, Nobutaka Imamura, Roland K. Robins et al. · Tetrahedron Letters · 1987 · 35 citations

Biosynthesis, Bioorganic Chemistry, Biochemistry +10

Synthesis and antitumor evaluation in mice of certain 7-deazapurine (pyrrolo[2,3-d]pyrimidine) and 3-deazapurine (imidazo[4,5-c]pyridine) nucleosides structurally related to sulfenosine, sulfinosine, and sulfonosine

K. Ramasamy, Nobutaka Imamura, Naeem B. Hanna et al. · Journal of Medicinal Chemistry · 1990 · 33 citations

A facile and improved synthesis of tubercidin and certain related pyrrolo[2,3‐<i>d</i>]pyrimidine nucleosides by the stereospecific sodium salt glycosylation procedure

K. Ramasamy, Nobutaka Imamura, Roland K. Robins et al. · Journal of Heterocyclic Chemistry · 1988 · 32 citations

Biosynthesis, Bioorganic Chemistry, Engineering +14