REAGENTS for the detection of alkaloidal N-oxides on paper chromatograms are few and are usually rather insensitive or of low selectivity. Reaction with acetic anhydride, which is known to produce ...

Several nonplatinum agents have been recently developed and shown to be efficacious in advanced bladder cancer. Although these drugs have not been specifically studied in patients with renal ...

The sarpagine alkaloids contain the common structural element of the parent pentacyclic sarpagan ring system with established stereochemistry at C-3 (S), C-5 (R), and C-15 (R). The alkaloid ...