J. Kjellberg

Californium-252 plasma desorption time of flight mass spectroscopy of proteins

B. Sundqvist, I. Kamensky, P. Håkansson et al. · Journal of Mass Spectrometry · 1984 · 149 citations

Characterization of N7 and N9 alkylated purine analogues by 1H and 13C nmr

J. Kjellberg, Nils Gunnar Johansson · Tetrahedron · 1986 · 102 citations

Biochemistry, Purine Analogues, Medicine +5

Laser‐induced desorption of proteins

Mehran Salehpour, I. K. Perera, J. Kjellberg et al. · Rapid Communications in Mass Spectrometry · 1989 · 70 citations

Studies on the Alkylation of Derivatives of Guanines

J. Kjellberg, Nils Gunnar Johansson · Nucleosides and Nucleotides · 1989 · 40 citations

Derivative (Chemistry), Derivatives, N9-substituted Guanine Analogs +9

Regioselective alkylation of 6-(β-methoxyethoxy)guanine to give the 9-alkylguanine derivative

J. Kjellberg, Magnus Liljenberg, Nils Gunnar Johansson · Tetrahedron Letters · 1986 · 35 citations

Regioselective Alkylation, Organic Chemistry, Chemistry +2