Reaction of alkynes with tetracarbonyl[methoxy(2,4-dimethoxyphenyl)carbene]chromium: A formal synthesis of 7-methoxyeleutherin

Authors
Dotz, KH Donaldson, WA Sturm, W
Citation
Kh. Dotz et al., Reaction of alkynes with tetracarbonyl[methoxy(2,4-dimethoxyphenyl)carbene]chromium: A formal synthesis of 7-methoxyeleutherin, SYN COMMUN, 30(20), 2000, pp. 3775-3784
Citations number
17
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
SYNTHETIC COMMUNICATIONS
ISSN journal
00397911 → ACNP
Volume
30
Issue
20
Year of publication
2000
Pages
3775 - 3784
Database
ISI
SICI code
0039-7911(2000)30:20<3775:ROAWT>2.0.ZU;2-P
Abstract
The reaction of alkynes with tetracarbonyl[methoxy(2,4-dimethoxyphenyl)carb ene]-chromium, followed by oxidation, gives naphthoquinones as well as othe r cyclized products. This has been utilized in the preparation of (3) an in termediate in the synthesis of 7-methoxyelutherin.