✦ LIBER ✦

Direct observation of the ylides formed upon reaction of cyclopentadienylidene with acetic anhydride, dimethyl carbonate, ethyl acetate and acetone

✍ Scribed by Matthew S. Platz; David R. Olson

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 373 KB
Volume: 9
Category: Article
ISSN: 0894-3230
DOI: 10.1002/(sici)1099-1395(199610)9:10<689::aid-poc823>3.0.co;2-w

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✦ Synopsis

Cyclopentadienylidene was studied by laser Rash photolysis (LFP) techniques. LFP of diazocyclopentadiene in acetic anhydride, acetaldehyde, acetone, dimethyl carbonate, ethyl acetate, acetonitrile, dimethyl sulfide and pyridine produces UV-visible active ylides. The first reports of the direct detection of carbene--anhydride, carbene-aldehyde, carbene-amide and carbene-carbonate ylides are presented. The spectra and the lifetimes of these ylides are reported.