Improvement in the transience and mechanical performance of flexible Poly(phthalaldehyde) substrates
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DOI: 10.1016/j.polymer.2020.122588
Abstract: Abstract Cyclic poly(phthalaldehyde) (PPHA) is a metastable polymer that depolymerizes to ortho-phthalaldehyde (o-PHA) at ambient temperatures. Both high molecular weights and a long shelf-life can be achieved. After an external stimulus trigger has been activated… read more here.
Keywords: phthalaldehyde; depolymerization; dea; poly phthalaldehyde ... See more keywords
Synthesis of Phthalic Aldehyde and Its Diacetals
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DOI: 10.1134/s1070363219110021
Abstract: Acyclic phthalaldehyde diacetal without cyclic 1,3-dihydro-1,3-dimethoxybenzo[c]furan impurity has been obtained via the reaction of 1,2-bis(dibromomethyl)benzene with trimethyl orthoformate (1:6) at 90°C in the presence of 10 mol% of ZnCl2. Hydrolysis of phthalaldehyde diacetal has led… read more here.
Keywords: aldehyde diacetals; phthalaldehyde; synthesis phthalic; diacetal ... See more keywords
Efficient synthesis of 4-substituted-ortho-phthalaldehyde analogues: toward the emergence of new building blocks
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DOI: 10.3762/bjoc.15.67
Abstract: 4-Methoxy-ortho-phthalaldehyde and 4-hydroxy-ortho-phthalaldehyde are potentially useful molecules for fluorimetric analysis of a variety of amines and for the elaboration of complex molecular architectures. Nevertheless, literature generally describes their synthesis in very low yield (below 5%),… read more here.
Keywords: substituted ortho; ortho phthalaldehyde; phthalaldehyde; synthesis substituted ... See more keywords