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Novel Synthesis of [1,2-a]Benzimidazolo-1,3,5,2-triazaphosphorines and [1,2-a]Benzimidazolo-1,3,5,2-triazaphosphorine-2-thiones.

✍ Scribed by Noureddine Raouafi; Khaled Boujlel; Mohamed Lamine BenKhoud


Publisher
John Wiley and Sons
Year
2004
Weight
18 KB
Volume
35
Category
Article
ISSN
0931-7597

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**Synthesis of Spiro Compounds from 2,2‐Dichloro‐4,6‐bis(trifluoromethyl)‐1,3,5,2λ^5^‐triazaphosphorine** The bis(trichlorophosphoranylideneamino) compound **6**, obtained from 2,2‐diamino‐4,6‐bis‐(trifluoromethyl)‐1,3,5,2λ^5^‐triazaphosphorine (**4**), reacts with heptamethyldisilazane to give the