... Please enable JavaScript to use all the features on this page. Tetrahedron Letters. Volume 23, Issue 38, 1982, Pages 3963–3964. ... 1; A. Zanarotti; Tetrahedron Lett., 23 (1982), p. 3815. ... b ,in: T. Swain, JB Harborne, CF Van Sumere (Eds.), Recent Advances in Phytochemistry, Vol. ...