Structures of Quino[7,8-h ]quinoline and Quino[8,7-h ]quinoline

Krieger, Claus; Newsom, Ian; Zirnstein, Michael A.; Staab, Heinz A.

doi:10.1002/anie.198900841

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Structures of Quino[7,8-h ]quinoline and Quino[8,7-h ]quinoline

MPS-Authors

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Krieger, Claus
Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;

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Newsom, Ian
Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;

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Zirnstein, Michael A.
Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;

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Staab, Heinz A.
Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;

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https://onlinelibrary.wiley.com/doi/10.1002/anie.198900841
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引用

Krieger, C., Newsom, I., Zirnstein, M. A., & Staab, H. A. (1989). Structures of Quino[7,8-h ]quinoline and Quino[8,7-h ]quinoline. Angewandte Chemie International Edition, 28(1), 84-86. doi:10.1002/anie.198900841.

引用: https://hdl.handle.net/21.11116/0000-000A-B44E-4

要旨

The two title compounds 1 and 2 are almost planar in the crystalline state. The decades-old uncertainties concerning the synthesis and structural assignment have now been resolved by X-ray structure analyses of the two compounds. A striking feature in the case of the extremely strongly and also kinetically active base 1 is the large central external angle of the “naphthalene unit” (125.4°), which results in a relatively large N ⃛N distance of 272.8 pm.