New cyclization of 4-oxahepta-1,6-diynes bearing sulfur and selenium functional groups.
New cyclizations of 1-sulfanyl- and -selanyl-4-oxa-1,6-heptadiynes using sodium alkoxide or thiolates provided 4-alkoxymethyl-3-phenylsulfanyl- and 3,4-bis(sulfanylmethyl)furans in high yields.
Yoshimatsu
Mitsuhiro
M
Department of Chemistry, Faculty of Education, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan. yoshimae@gifu-u.ac.jp
Watanabe
Hiroyasu
H
Koketsu
Eri
E
D003500:Cyclization; D005663:Furans / Q000737:chemistry; D007536:Isomerism; D015394:Molecular Structure; D055601:Organic Chemistry Phenomena; D012643:Selenium / Q000737:chemistry*; D013455:Sulfur / Q000737:chemistry*
D005663:Furans; D013455:Sulfur; D012643:Selenium