Ring-opening polymerization of 1-(2,4,6-tri-tert-butylphenyl)-phosphirane: direct synthesis of a polyphosphine derivative
β Scribed by Shiro Kobayashi; Jun-ichi Kadokawa
- Book ID
- 102489717
- Publisher
- John Wiley and Sons
- Year
- 1994
- Tongue
- English
- Weight
- 221 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1022-1336
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π SIMILAR VOLUMES
Lanthanide tris(2,4,6-tri-tert-butylphenolate)s are highly active initiators for ring-opening polymerization of Ξ΅-caprolactone to give polycaprolactone with number average molecular weight as high as 8.3 Γ 10 4 at 20 β’ C in 20 min in toluene. The effects of solvent, rare earth element, monomer/initi
Steric hindrance was observed during the oxidation of 2,4,6-tri-tert-butylphenylphosphole to the P oxide and in the dimerization of this latter species to the corresponding phosphanorbornene derivative. Single-crystal X-ray analysis of the dimer revealed considerable steric crowding around the P ato