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Note | Regular issue | Vol 55, No. 8, 2001, pp.1599-1604
Published online, 1st January, 1970■ A Facile and Convenient Synthesis of 1,2,3,6-Tetrahydropyridazines Using Azodicarboxylates under Lanthanum Triflate Catalysis
Published online, 1st January, 1970
DOI: 10.3987/COM-01-9272
■ A Facile and Convenient Synthesis of 1,2,3,6-Tetrahydropyridazines Using Azodicarboxylates under Lanthanum Triflate Catalysis
Massimo Curini,* Francesco Epifano, Maria Carla Marcotullio, and Ornelio Rosati
*Dipartimento di Chimica e Tecnologia del Farmaco, Facoltà di Farmacia, Università di Perugia , Via del Liceo, 1, 06123 Perugia, Italy
Abstract
The hetero-Diels-Alder reaction catalyzed by lanthanum triflate hydrate using diethyl azodicarboxylate as dienophile, yielding differently substituted 1,2,3,6-tetrahydropyridazines, is described.
The Japan Institute of Heterocyclic Chemistry 503 1-1-7 Motoakasaka, Minato-ku, Tokyo 107-0051, Japan
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