onychine

A facile arylation, alkenylation, and alkylation of functionalized 2-halopyridine N-oxides with various Grignard reagents was… Expand

A single large theropod tooth was recovered from the middle Upper Cretaceous Majiacun Formation, Henan Province, China. The… Expand

This study investigated bioactive extracts of Polyalthia debilis (Annonaceae) with antimicrobial, antimalarial and cytotoxic… Expand

The 9-imidazolylazafluorene 3, a hybrid between the antifungal azole eberconazole and the alkaloid onychine, was prepared from… Expand

Two strategies towards the synthesis of isomerically pure azafluorenones are described. Cyclization of the aryl nicotinic acid 7… Expand