U. Wölcke

Purine n-oxides XXIV. The preparation of 8-substituted xanthines and guanines by a nucleophilic displacement of a 3-substituent

U. Wölcke, N.J.M. Birdsall, George Bosworth Brown · Tetrahedron Letters · 1969 · 26 citations

Pharmacy, Chemistry, Medicinal Chemistry +11

Purine N-oxides—XL

N.J.M. Birdsall, U. Wölcke, T.-C. Lee et al. · Tetrahedron · 1971 · 21 citations

Purine N-oxides—XLI

N.J.M. Birdsall, J. C. PARHAM, U. Wölcke et al. · Tetrahedron · 1972 · 19 citations

Purine N-oxides—XXXIX N-acetoxy derivatives of N-hydroxyxanthines

N.J.M. Birdsall, T.-C. Lee, U. Wölcke · Tetrahedron · 1971 · 10 citations

Pharmacy, Medicinal Chemistry, Pharmacology +3