Synthesis of a C3-symmetric phospha[2.2.2]cyclophane
β Scribed by Carsten Bolm; K.Barry Sharpless
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- French
- Weight
- 270 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
β¦ Synopsis
The preparation of the Q-symmetric monophosphine 17-phospha2.2.2benzeno(3,3',3")triphenylmethanophane (a is described. Its ability to coordinate to transition metals and its conformational mobility are examined.
π SIMILAR VOLUMES
Photoirradiation of [3.3] cyclophane-2,11-diones with a high-pressure Hg lamp in benzene provides the corresponding [2.2]cyclophanes in high yields along with [3.2] cyclophane-2-ones.
The cyclophanes are an interesting group of strained molecules that have been the subject of extensive study.l In recent years they have taken bizarre forms as multi-bridged,l
Vinyl e-xylylene cross-dimerizes with other xylylene-type intermediates to yield cycloadducts of the [8+6] and [6+6] type. This reaction provides a simple entry to the [4.2lparacyclophane system as well as