Ring-opening polymerization of ε-caprolactone with recyclable and reusable squaric acid organocatalyst
Sign Up to like & getrecommendations! Published in 2021 at "European Polymer Journal"
DOI: 10.1016/j.eurpolymj.2021.110643
Abstract: Abstract With the increasing requirements concerning healthy and environmental issues of modern-day society, green chemistry and atomic economy have become the consensus of researchers and manufacturers, enabling us to explore much facile way to prepare… read more here.
Keywords: ring opening; squaric acid; opening polymerization; caprolactone ... See more keywords
A combined crystallographic and theoretical study of weak intermolecular interactions in crystalline squaric acid esters and amides
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DOI: 10.1039/c7ce00556c
Abstract: We report the synthesis and X-ray solid state structures of five squaric acid derivatives, i.e. a zwitterionic compound, namely 3-hydroxy-4-(2-pyridin-2-yl-ethylamino)cyclobut-3-ene-1,2-dione (1), a squaramide monoester, 3-ethoxy-4-(2-pyridin-2-yl-ethylamino)cyclobut-3-ene-1,2-dione (2), two differently solvated (EtOH and DMSO/water) disquaramides 3,4-bis((4-hydroxyphenethyl)amino)cyclobut-3-ene-1,2-dione (3… read more here.
Keywords: solid state; squaric acid; cyclobut ene; combined crystallographic ... See more keywords
Squaric acid dibutyl ester for the treatment of alopecia areata: A retrospective evaluation
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DOI: 10.1111/dth.14726
Abstract: Squaric acid dibutyl ester (SADBE) as topical immunotherapy is a good alternative in patients with refractory alopecia areata. In this study, we aimed to evaluate the effectiveness of SADBE treatment in alopecia areata (AA) and… read more here.
Keywords: alopecia areata; squaric acid; response; alopecia ... See more keywords
Influence of external field direction on polarization rotation in antiferroelectric squaric acid H2C4O4
Sign Up to like & getrecommendations! Published in 2021 at "Condensed Matter Physics"
DOI: 10.5488/cmp.24.43703
Abstract: Using the previously developed model we explore the processes of polarization rotation in antiferroelectric crystals of squaric acid by the electric fields directed arbitrarily within the ac plane. Except for some particular directions of the… read more here.
Keywords: polarization rotation; field; squaric acid; rotation antiferroelectric ... See more keywords