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Kassekert, Anthony

doi:10.1016/j.giq.2009.03.006

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Development Of Synthetic Routes To Gem-dialkyl Dienes1

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2020

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“…We used the "polymerization/depolymerization" method developed by Wagener 7 to produce the target telechelic diols. The chain transfer agent (CTA) 38 26 was added to the polyolefin mixture after sufficient reaction time to cleave the longer polyolefins and install the protected telechelic endgroups. Hydrogenation of the unsaturated polymers was accomplished using Pd/C under H 2 and the resulting telechelic PEIB derivatives were isolated in high yield after filtration and concentration in vacuo (Scheme 12).…”

Section: Development Of Synthetic Routes To Gem-dialkyl Dienesmentioning

confidence: 99%

Efficient Synthesis of Geminal-Dialkyl Dienes for Olefin Metathesis Polymerization

Wolf

Jones

et al. 2020

Macromolecules

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A robust synthesis of gem-dialkyl acyclic diene monomers has been developed. This route is scalable, flexible, and biorenewable, allowing for the production of a wide range of diene monomers of different lengths and different gem-dialkyl substitution starting from unsaturated esters derived from seed oils. The metathesis polymerization of these monomers and the hydrogenation of the resulting polyolefins leads to telechelic gem-dialkyl polyethylenes, which can be used as elastomers in the synthesis of polyurethanes and other block polymers.

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Section: Development Of Synthetic Routes To Gem-dialkyl Dienesmentioning

confidence: 99%