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- W2059596588 abstract "Oligomers of 5-amino-8-vinyl-phthalazine-1,4(2H,3H)-dione exhibit about 0.05% of the chemiluminescence quantum yield of the corresponding 'monomer unit', i.e. 5-amino-8-ethyl-phthalazine-1,4(2H,3H)-dione which has a similar quantum yield to luminol. The quantum yields of copolymers of 5-amino-8-vinyl-phthalazine-1,4(2H,3H)-dione (1a) with methyl methacrylate or with styrene increase up to 1000-fold, relative to the quantum yield of oligomers of (1a). Thus the monomer units of methyl methacrylate or styrene appear to act as 'spacers' between the lumigenic groups. alpha, omega-Bis[(5-amino-phthalazine-1,4(2H,3H)-dion-)8-yl] alkanes show an analogue 'distance' effect: the chemiluminescence quantum yield increases with increasing alkane chain length. As the fluorescence of the corresponding amino phthalates (which are intermediates in the synthesis of the phthalazine diones) is only slightly influenced by the distance between the lumigenic groups it is suggested that a mainly chemical 'distance effect' is working here: the smaller the intramolecular distance between the hydrazide groups the more inhibition exists in respect of the oxidative reaction producing the luminol-type chemiluminescence." @default.
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- W2059596588 date "1987-09-01" @default.
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- W2059596588 title "Synthesis and chemiluminescence of copolymers of 5-amino-8-vinyl-phthalazine-1, 4(2H,3H)-dione with methyl methacrylate or styrene, and of α, ω-bis[5-amino-phthalazine-1,4 (2H,3H)-dion-]8-yl alkanes [=α, ω-bis(6-luminyl) alkanes]: Investigations on an intramolecular ‘distance effect’" @default.
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- W2059596588 doi "https://doi.org/10.1002/bio.1170010402" @default.
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