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Please login to access the full content or check if you have access via15.5.1.1.1.5.2.2 Method 2: From N-Substituted N′-(1,2-Diarylvinyl)carbodiimides
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Álvarez, M.; Joule, J. A., Science of Synthesis, (2005) 15, 725.
Isoquinolin-1-amines 235 are formed by the electrocyclization of carbodiimides 233 followed by rearomatization of the initial product, 234 (Scheme 106).[212] The carbodiimide intermediates 233 can be formed most conveniently by aza-Wittig condensation between an isocyanate and an α,β-unsaturated iminophosphorane; the latter are themselves available[213] from the reaction of a nitrile with [(triphenylphosphoranylidene)methyl]arene. The reaction can also be performed by combination of the α,β-unsaturated iminophosphorane 236 with the isocyanate without isolation of the carbodiimide to give the isoquinoline 237 (Scheme 106).[214]
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Meeee 8-Meeee-8-eeeeeee-8-eeeeeeeeeeeeeeeeeee-8-eeeeeeeeeee (888); Meeeeee Meeeeeeee:[888]
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References
[212] | Meeee, M.; Meeeee, M.; Meee, M.; Meeeeeeee, M.; Meeeeee, M.; Meeeee, M., Meee. Meee., (8888), 888. |
[213] | Meeeeee, M., M. Mee. Meee., (8888) 88, 8888. |
[214] | Meeeee, M.; Meeeeeee, M.; Meeee, M., M. Mee. Meee., (8888) 88, 8888. |
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- 8.Meeeee-Meee, (8888) M 8e, 888.