Articles with "dec ene" as a keyword



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Chemical recycling of poly(bisphenol A carbonate): 1,5,7-Triazabicyclo[4.4.0]-dec-5-ene catalyzed alcoholysis for highly efficient bisphenol A and organic carbonate recovery

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Published in 2018 at "Polymer"

DOI: 10.1016/j.polymer.2018.04.015

Abstract: Abstract Chemical degradation of poly (bisphenol A carbonate) is achieved using an easy-to-use organocatalyst, TBD (1,5,7-triazabicyclo [4.4.0]-dec-5-ene). Because of increased concern over bisphenol A (BPA) acting as a potent hormone disruptor, proper disposal of end-of-life… read more here.

Keywords: poly bisphenol; bisphenol; triazabicyclo dec; dec ene ... See more keywords
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Plakortinic acids C and D: a pair of peroxide-polyketides possessing a rare 7,8-dioxatricyclo[4.2.2.02,5]dec-9-ene core from a two-sponge association of Plakortis symbiotica-Xestospongia deweerdtae.

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Published in 2021 at "Tetrahedron letters"

DOI: 10.1016/j.tetlet.2021.152833

Abstract: Plakortinic acids C (3) and D (4), two unprecedented peroxide-polyketides with 7,8-dioxatricyclo[4.2.2.02,5]dec-9-ene scaffold, as well as known biogenetically related congeners, plakortinic acids A (1) and B (2), were isolated from a two-sponge association of Plakortis… read more here.

Keywords: two sponge; plakortinic acids; dioxatricyclo dec; sponge association ... See more keywords
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Reinvestigation of the mechanism of polymerization of β-butyrolactone from 1,5,7-triazabicyclo[4.4.0]dec-5-ene

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Published in 2018 at "Polymer Chemistry"

DOI: 10.1039/c8py00206a

Abstract: The questionable mechanism initially proposed to explain how 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD) allows us to ring-open β-lactones, such as β-butyrolactone (BL), is reinvestigated here. With the use of a trisubstituted β-lactone, i.e. (R,S)-benzylcarbonyl-3,3-dimethyl-2-oxetanone, and the association of… read more here.

Keywords: reinvestigation mechanism; mechanism polymerization; triazabicyclo dec; dec ene ... See more keywords