Cationic ring-opening polymerization of 2-phenyl-1,2-oxaphospholane (deoxophostone)
β Scribed by Shiro Kobayashi; Masato Suzuki; Takeo Saegusa
- Publisher
- Springer
- Year
- 1981
- Tongue
- English
- Weight
- 246 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0170-0839
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π SIMILAR VOLUMES
## Abstract A new unsaturated bicyclic ether, 2βmethyleneβ7βoxabicyclo[2.2.1]heptane (4) was synthesized by successive DielsβAlder addition of furan to acrylonitrile, hydrogenation of cyano compound 5, and Hofmann degradation of the quaternary ammonium hydrate 7 derived from the amine 6. Cationic p
Addition of dimethyl phosphonate to acetaldol gives a 3 : 7 mixture of diastereomeric dimethyl (1,3-dihydroxybutyl)phosphonates 3 and 4. The relative configurations at C-I and C-3 in these diols were established by the 13C NMR data of their 0-benzylidene derivatives. Axial preference-for the dimetho