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  Cyclization of diaza[6]helicenes to monoazacoronenes under electron impact

Rentzea, M., Diehm, M., & Staab, H. A. (1994). Cyclization of diaza[6]helicenes to monoazacoronenes under electron impact. Tetrahedron Letters, 35(45), 8361-8364. doi:10.1016/S0040-4039(00)74407-8.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-A8AB-C Version Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-AFA9-8
Genre: Journal Article

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TetrahedronLett_35_1994_8361.pdf (Any fulltext), 287KB
 
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 Creators:
Rentzea, Marina, Author
Diehm, Michael, Author
Staab, Heinz A.1, Author           
Affiliations:
1Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society, ou_1497706              

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 Abstract: Electron impact (EI)-induced cyclizations of 1,16-diaza[6]helicene (1), of 1,14-diaza[6]helicene (2) and of 3,14-diaza[6]helicene (3) to monoazacoronenes (abundant loss of HCN and H) were investigated through their source spectra supported by accurate mass measurements, their unimolecular metastable ion (MI) spectra, and their high-energy (8KeV) collision-induced dissociation (CID) tandem mass spectra obtained with a four-sector mass spectrometer. Electron impact (EI)-induced cyclizations of diaza[6]helicenes (1–3) to monoazacoronenes were investigated through their mass spectra obtained with a four-sector mass spectrometer.

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Language(s): eng - English
 Dates: 1994-09-121994-09-152001-03-091994-11-07
 Publication Status: Issued
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 665376
DOI: 10.1016/S0040-4039(00)74407-8
Other: 6628
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Title: Tetrahedron Letters
  Other : Tetrahedron Lett.
Source Genre: Journal
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Publ. Info: Oxford : Pergamon
Pages: - Volume / Issue: 35 (45) Sequence Number: - Start / End Page: 8361 - 8364 Identifier: ISSN: 0040-4039
CoNE: https://pure.mpg.de/cone/journals/resource/954925448772