- Photochemical Conversion of 3-Azido-2-vinylthiophenes into Thienopyrroles and of 2-Azidostyrenes into Indoles. High Migratory Aptitude of Sulphur Substituents
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On photolysis in acetonitrile 3-azido-2-vinylthiophenes (8a-h) give thienopyrroles (10), (16), (18)-(20), (23), (24), (26) and 2-azidostyrenes (9a-d) give indoles (11) and (22).A mechanism is proposed involving formation and 1,5-electrocyclisation
- Gairns, Raymond S.,Rees, Charles W.,Moody, Christopher J.
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p. 501 - 506
(2007/10/02)
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- Rapid Migration of Sulphur Groups in the Photochemical Conversion of 3-Azido-2-vinylthiophenes into Thienopyrroles
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On irradiation in acetonitrile, the 3-azido-2-vinylthiophenes (4) give the thienopyrroles (8) as the sole, or major, products formed by migration of the group Y (Scheme 2) in preference to or in competition with the group Z in the non-aromatic fuse
- Gairns, Raymond S.,Moody, Christopher J.,Rees, Charles W.
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p. 1818 - 1819
(2007/10/02)
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