Polymerization of silylacetylenes by W and Mo catalysts
β Scribed by Hiroshi Tajima; Toshio Masuda; Toshinobu Higashimura
- Publisher
- John Wiley and Sons
- Year
- 1987
- Tongue
- English
- Weight
- 469 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0887-624X
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
## SYNOPSIS 1 -Chloro-2-@-naphthylacetylene (ClPNA) polymerized in good yields in the presence of MoC1,-based catalysts. The highest weight-average molecular weight of poly(Cl@NA) reached about 3 X lo5. T h e polymer was a yellow solid (absorption cutoff in CHC1,450 nm). It was soluble in toluene,
Ε½ . Ε½ . Ε½ Mo NO O CR -Lewis acid catalysts Lewis acid s TiCl , SnCl , EtAlCl ; R s phenyl, methylvaleric, ethylhex-2 2 2 4 4 2 . Ε½ . anoic induce monosubstituted acetylenes phenylacetylene, tert-butylacetylene to polymerize. The catalytic ability of these catalyst strongly depends on the Lewis acid