DOI: 10.1002/anie.199713471. <i>o</i>‐Benzyne: Strained Alkyne or Cumulene?—NMR Characterization in a Molecular Container

o‐Benzyne: Strained Alkyne or Cumulene?—NMR Characterization in a Molecular Container

10.1002/anie.199713471

Crossref journal-article

Wiley

Angewandte Chemie International Edition in English (311)

Bibliography

Warmuth, R. (1997). oâBenzyne: Strained Alkyne or Cumulene?âNMR Characterization in a Molecular Container. Angewandte Chemie International Edition in English, 36(12), 1347â1350. Portico.

Authors 1

Ralf Warmuth (first)

References 45 Referenced 202

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{'key': 'e_1_2_1_7_4', 'volume-title': 'Container Molecules and Their Guests', 'author': 'Cram D. J.', 'year': '1994'} / Container Molecules and Their Guests by Cram D. J. (1994)
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(c)R.Warmuth C. B.Knobler unpublished results.
All new compounds gave correct C and H elemental analyses M+m/zsignals of substantial intensity in their FAB‐MS and1H NMR and13C NMR spectra consistent with their structure.
Hemicarceplex2.5was prepared by heating empty2and benzoic acid in diphenyl ether at 185°C for 4 d (90% yield).
Compound2.6was prepared as follows: Repetitiveortho‐lithination/D2O‐quench of N‐BOC‐aniline gave 2 6‐d2‐BOC‐aniline [24] which was converted into7by literature procedures (7.25% overall yield) [25 26]. 2‐d‐Benzocyclobutenedione7was incarcerated into2as described (20% yield). Hemicarceplex2.7was converted photochemically into2.6as described for2.3→2.4. Compound8was prepared in 32% yield from commercially available13C6‐aniline (99%13C‐enriched Cambridge Isotope Laboratoties) by literature procedures [24–26].
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A version of the program MIMER (O. H.Manschen J. P.Jacobsen K.Schaumburg QCPE Indiana University Bloomington IN (USA) Program 394) which was modified by Prof. F. A. L. Anet to interface with the IGOR display program for Macintosh was used.
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10.1016/0079-6565(89)80007-X
10.1021/jo01311a059
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10.1021/jo01033a033

Dates

Type	When
Created	21 years, 7 months ago (Jan. 16, 2004, 9:43 a.m.)
Deposited	1 year, 10 months ago (Oct. 27, 2023, 1:13 p.m.)
Indexed	1 month ago (Aug. 2, 2025, 12:27 a.m.)
Issued	28 years, 2 months ago (July 4, 1997)
Published	28 years, 2 months ago (July 4, 1997)
Published Online	21 years, 8 months ago (Dec. 22, 2003)
Published Print	28 years, 2 months ago (July 4, 1997)

Funders 0

None

BibTeX

@article{Warmuth_1997, title={o‐Benzyne: Strained Alkyne or Cumulene?—NMR Characterization in a Molecular Container}, volume={36}, ISSN={0570-0833}, url={http://dx.doi.org/10.1002/anie.199713471}, DOI={10.1002/anie.199713471}, number={12}, journal={Angewandte Chemie International Edition in English}, publisher={Wiley}, author={Warmuth, Ralf}, year={1997}, month=jul, pages={1347–1350} }

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