2,5‐Disubstituted Furans from 1,4‐Alkynediols.

Abstract

Furan derivatives R 0060 2,5-Disubstituted Furans from 1,4-Alkynediols. -The synthesis of title compounds (III) and their use for the preparation of furans (V) is demonstrated. -(PRIDMORE, S. J.; SLATFORD, P. A.; WILLIAMS*, J. M. J.; Tetrahedron Lett. 48 (2007) 29, 5111-5114; Dep. Chem., Univ. Bath, Claverton Down, Bath BA2 7AY, UK; Eng.) -Mais 45-102

Synthesis of Diketones, Ketoesters, and Tetraketones by Electrochemical Oxidative Decarboxylation of Malonic Acid Derivatives: Application to the Synthesis of cis-Jasmone

“…Spectroscopic data matched those previously reported in the literature. 40 1 H NMR (300 MHz, CDCl 3 ): δ 2.72−2.62 (m, 4H), 2.42 (t, J = 7.3 Hz, 2H), 2.17 (s, 3H), 1.58 (dt, J = 14.7, 7.4 Hz, 2H), 0.90 (t, J = 7.4 Hz, 3H). 13 C NMR (75 MHz, CDCl 3 ): δ 209.7, 207.5, 44.8, 37.0, 36.2, 30.1, 17.4, 13.8.…”