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ChemInform Abstract: Thermal and Electron Transfer Induced Reactions of Enediynes and Enyne-Allenes. Part 12. Two Novel Thermal Biradical Cyclizations of Enyne-Ketenimines: Theory, Experiment, and Synthetic Potential.

โœ Scribed by M. SCHMITTEL; J.-P. STEFFEN; M. A. WENCESLA ANGEL; B. ENGELS; C. LENNARTZ; M. HANRATH


Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
29
Category
Article
ISSN
0931-7597

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Two Novel Thermal Biradical Cyclizations
โœ Michael Schmittel; Jens-Peter Steffen; Miguel ร. Wencesla รngel; Bernd Engels; C ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 110 KB ๐Ÿ‘ 1 views

Both benzocarbazoles and quinolines can be synthesized from enyne ketenimines 1 generated in situ via biradical intermediates (see reaction below). Which of the heterocyclic ring systems is formed depends on the choice of the substituent R at the alkyne terminus.