New Transformation of 1,3-Oxathiolane-2-thione into 1,3-Dithiolan-2-one via Polymerization and Depolymerization
β Scribed by Fumio Sanda; Tsuyoshi Shinjo; Wonmun Choi; Takeshi Endo
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 81 KB
- Volume
- 22
- Category
- Article
- ISSN
- 1022-1336
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π SIMILAR VOLUMES
AIBN-initiated radical reactions of 5-membered cyclic xanthates, 1,3-oxathiolane-2-thiones, with tributyltin hydride are described. Alkenes are formed at 0.025 M concentration of tributyltin hydride, whereas a higher concentration (0.25 M ) gives 1,3-oxathiolanes. A mixture of alkene and 1,3-0xathio
Carbon black-supported sulfuric acid or BF 3 β Et 2 O-initiated polymerizations of 2-methylene-4,4,5,5-tetramethyl-1,3-dioxolane (1), 2-methylene-4-phenyl-1,3-dioxolane (2), and 2-methylene-4-isopropyl-5,5-dimethyl-1,3-dioxane (3) were performed. 1,2-Vinyl addition homopolymers of 1-3 were produced u
## Abstract In adiabatic vacuum and dynamic calorimeters the temperature dependence of the heat capacity __C__~p~^0^ of tetrahydroβ1,3βoxazinβ2βone (THO) and poly(oxyβ1,3βpropanediyliminocarbonyl) (PTHO) was studied between 5 and 500 K. The melting temperature of the monomer and the polymer, the en