Online article for Non-subscribers

Pay per view

Heterocycles has a pay-per-view service for Non-subscribers.
You will be able to directly purchase the full text article through PayPal.
Your purchased Paper can be downloaded after the payment is completed.
An e-mail will be sent the URL to download the paper.
If you have any questions, please contact:

Price: ¥ 4,400 (Yen only)
Period: This Article can be accessed for 7 days.

Note | Regular issue | Vol 55, No. 8, 2001, pp.1599-1604
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


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.