0194794 - UOCHB-X 20030100 RIV DE eng J - Journal Article
Doubský, Jan - Streinz, Ludvík - Lešetický, L. - Koutek, Bohumír
Ring-opening of lactones with alkynyltrifluoroborates: a new route to functionalized ŕ-alkynones.
Synlett. č. 7 (2003), s. 937-942. ISSN 0936-5214. E-ISSN 1437-2096
R&D Projects: GA ČR GA203/00/0219; GA MŠMT OC E16.10
Institutional research plan: CEZ:AV0Z4055905
Keywords : lactones * ring-opening * alkynyltrifluoroborates
Subject RIV: CC - Organic Chemistry
Impact factor: 2.741, year: 2003

Alkynyltrifluoroborate salts, readily generated in situ by the addition of BF₃.OEt₂ to alkynyllithiums, were shown to mediate the regioselective acyl C-O ring cleavage of 5-, 6-, and 7-membered lactones.
Permanent Link: http://hdl.handle.net/11104/0090465