Scheme 1 a The reaction between pyrene and TMPBA in poly(phosphoric... | Download Scientific Diagram
Poly(phosphoric acid) (PPA)-Promoted 5-exo-Cyclization of Iminium Ions Generated In Situ: A Facile Access to Functionalized Indene Derivatives
Brief Review of the Chemistry of Polyphosphoric Acid (PPA) and Bitumen | Semantic Scholar
Mechanism of Polyphosphoric Acid and Phosphorus Pentoxide−Methanesulfonic Acid as Synthetic Reagents for Benzoxazole Formation | The Journal of Organic Chemistry
Polyphosphoric Acid Ppa-China Polyphosphoric Acid Ppa Manufacturers & Suppliers | Made in China - page 2
Molecules | Free Full-Text | Silica-Supported Polyphosphoric Acid in the Synthesis of 4-Substituted Tetrahydroisoquinoline Derivatives
Brief Review of the Chemistry of Polyphosphoric Acid (PPA) and Bitumen | Semantic Scholar
Nanomagnetically modified polyphosphoric acid (NiFe2O4@SiO2–PPA): an efficient, fast, and reusable catalyst for the synthesis of 2-thioxoquinazolinones under solvent-free conditions | SpringerLink
Brief Review of the Chemistry of Polyphosphoric Acid (PPA) and Bitumen | Energy & Fuels