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Coupling of Quinone Monoacetals Promoted by Sandwiched Brønsted Acids: Synthesis of Oxygenated Biaryls

✍ Scribed by Dr. Toshifumi Dohi; Naohiko Washimi; Tohru Kamitanaka; Kei-ichiro Fukushima; Prof. Dr. Yasuyuki Kita

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
299 KB
Volume
123
Category
Article
ISSN
0044-8249

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✍ Matiur Rahman; Adinath Majee; Alakananda Hajra 📂 Article 📅 2010 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 72 KB

## Abstract magnified image A simple and efficient method has been developed for the synthesis of heterobicyclic dihydropyrimidinone derivatives through a solvent‐free one‐pot three‐component condensation of aromatic aldehydes, cyclopentanone, and urea or thiourea in the presence of Brønsted acidic