2-(Triphenylphosphoranylideneamino)tropone is synthesized for the first time and treated with heterocumulenes to give novel cyclohepta-annulated heterocycles in good yields.
References
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Part 32 of the reaction of (vinylimino)phosphoranes and related compounds. Part 31: YamamotoH., KobayashiT., and NittaM., Heterocycles, 1998, 48, 1903.
2.
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