Gold-Catalyzed Phosgene-Free Synthesis of Polyurethane Precursors

• Published in: Angewandte Chemie International Edition Vol. 49; no. 7; pp. 1286 - 1290
• Main Authors: Juárez, Raquel, Concepción, Patricia, Corma, Avelino, Fornés, Vicente, García, Hermenegildo
• Format: Journal Article
• Language: English
• Published: Weinheim WILEY-VCH Verlag 08.02.2010; WILEY‐VCH Verlag
• Subjects: gold; green chemistry; heterogeneous catalysis; nanoparticles

Golden catalyst: In a two‐step one‐pot catalytic process gold nanoparticles supported on CeO2 are able to convert nitroaromatics into aromatic carbamates, thereby providing an alternative phosgene‐free route towards aromatic polyurethanes (see figure).