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Synthesis of cyclopentane-fused oxygen heterocycles from the intramolecular reaction of alkynes with cyclopropylcarbene-chromium complexes

✍ Scribed by Herndon, James W.; Matasi, Julius J.


Book ID
126397475
Publisher
American Chemical Society
Year
1990
Tongue
English
Weight
941 KB
Volume
55
Category
Article
ISSN
0022-3263

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Reaction of alkynes having bulky substituents with pentacarbonyl[cyclopropyl(methoxy)methylene]chromium(0) (1) provided cyclopentadienone derivatives. Cyclopentadienones were easily hydrogenated to the corresponding cyclopentenones using chromium hexacarbonyl and water, with no problems resutting fr