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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## Abstract Aus den 2,2‐Dichlor‐4,6‐bis(trihalogenmethyl)‐1,3,5,2λ^5^‐triazaphosphorinen **1, 2** lassen sich mit SbF~3~ die entsprechenden 2,2‐Difluorderivate **3, 4** darstellen. **3** reagiert mit Silylaminen (CH~3~)~3~SiNR^1^R^2^ zu den Aminoderivaten **5–9**, mit Lithiumamiden LiNR^1^R^2^ zu w
**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