1,2,3,5-Tetrahydro-1,2,3-methenopentalene, a Valence Isomer of Isoindene: Synthesis and Diels–Alder Reactions
✍ Scribed by Thomas Fischer; Ulrike Kunz; Sarah E. Lackie; Carsten Cohrs; Daniel D. Palmer; Manfred Christl
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 90 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
tert-Butylphosphaethyne (2) undergoes a Diels-Alder in 4, complexation occurs exclusively at its phosphaalkene phosphorus atom. The reactivity of 2 towards the four reaction with the 1,3,2-diazaphosphinine 1 at room temperature to furnish the diazadiphosphabarrelene 3. In the functionally substitute
With sodium borohydride in tetrahydrofuran/ethanol (5 : 1). the product ( I ) gives a 75 yield of a compound, m.p. 233 "C, that is identical with the recently prepared 2-(diphenylmethyl)imidaz0le[~1. When product ( I ) is boiled for 2 h in tetrahydrofuran/water (2: I ) it affords 2-(hydroxy-dipheny