Rhenium- and manganese-catalyzed insertion of acetylenes into beta-keto esters: synthesis of 2-pyranones.
Rhenium- and manganese-catalyzed reactions between beta-keto esters and acetylenes, followed by treatment with tetrabutylammonium fluoride, gave 2-pyranone derivatives regioselectively.
Kuninobu
Yoichiro
Y
Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University, Tsushima, Okayama 700-8530, Japan. kuninobu@cc.okayama-u.ac.jp
Kawata
Atsushi
A
Nishi
Mitsumi
M
Takata
Hisatsugu
H
Takai
Kazuhiko
K
D000114:Acetylene / Q000737:chemistry; D000480:Alkynes / Q000737:chemistry*; D002384:Catalysis; D004952:Esters / Q000737:chemistry*; D008345:Manganese / Q000737:chemistry*; D015394:Molecular Structure; D011714:Pyrans / Q000138:chemical synthesis* / Q000737:chemistry; D012211:Rhenium / Q000737:chemistry*
D000480:Alkynes; D004952:Esters; D011714:Pyrans; D008345:Manganese; D012211:Rhenium; D000114:Acetylene