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Synthesis of Six-Membered Cyclic Carbonate Monomers by Disproportionation of 1,3-Bis(alkoxycarbonyloxy)propanes and Their Polymerization.
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- ROKICKI Gabriel
- Warsaw University of Technology, Faculty of Chemistry, ul. Noakowskiego 3, 00 664 Warsaw, Poland
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- KOWALCZYK Tomasz
- Warsaw University of Technology, Faculty of Chemistry, ul. Noakowskiego 3, 00 664 Warsaw, Poland
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- GLINSKI Marek
- Warsaw University of Technology, Faculty of Chemistry, ul. Noakowskiego 3, 00 664 Warsaw, Poland
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Description
A new synthetic method of six-membered cyclic carbonates is presented. Different 1, 3-bis(alkoxycarbonyloxy)propanes obtained from 1, 3-diols and diethyl or dimethyl carbonate were subjected to disproportionation at 200-350°C in the presence of colloidal silica or Sn(II) stearate leading to 1, 3-dioxan-2-ones. The disproportionation was carried out in gaseous and liquid phases. The presented method was especially useful for preparation of six-membered mono- and biscyclic carbonates from polyfunctional alcohols such as trimethylolpropane, pentaerythritol and trimethylolpropane dimer. The structure of the polymers obtained from 5-methyl-1, 3-dioxan-2-one and 5-ethyl-5-methoxycarbonyloxymethyl-1, 3-dioxan-2-one in the presence of different catalysts were analyzed using MALDI-TOF mass spectrometry.
Journal
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- Polymer Journal
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Polymer Journal 32 (5), 381-390, 2000
The Society of Polymer Science, Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390282681265531648
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- NII Article ID
- 10006259861
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- NII Book ID
- AA00777013
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- COI
- 1:CAS:528:DC%2BD3cXjsFymurk%3D
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- ISSN
- 13490540
- 00323896
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- NDL BIB ID
- 5393287
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed