Stefan Niementowski (August 4, 1866 – July 13, 1925 was a Polish chemist. He discovered the Niementowski quinoline synthesis and the Niementowski quinazoline...

The Niementowski quinoline synthesis is the chemical reaction of anthranilic acids and ketones (or aldehydes) to form γ-hydroxyquinoline derivatives. In...

is combined with the Niementowski reaction and a BOP-mediated ring closure to afford several analogues. ^ Von Niementowski, Stefan (1895). "Synthesen von...

Stanisław Sokołowski (1912, 1914–17), Stanisław Tołłoczko (1913), Stefan Niementowski (1920–22), Jan Czekanowski (1923–24), Jan Hirschler (1925–26), Julian...

Clans of Poland was the ancient Pobóg clan of families. Stefan was archbishop of Gniezno. At Stefan's, instigation the sejm was called in Gniezno at which...

claimed descent from the more ancient — probably German — house of Sulima. Stefan Strawinski traced the family tree back to the late sixteenth century, when...