... Please enable JavaScript to use all the features on this page. Tetrahedron Letters. Volume 34, Issue 10, 5 March 1993, Pages 1631–1634. The International Journal for the Rapid Publication of Preliminary. Cover image Cover image. Ozonation of substituted 2-thiouracils and pyrimidine-2-thione. ... Dipartimento di Chimica Università degli Studi di Roma “La Sapienza”, p.le Aldo Moro 5, 00100, Italy. Received 23 December 1992, Available online 15 March 2001. ...