Hydrogen-bond self-assembly super-molecular blue-fluorescence polymer and symmetric method thereof
A technology of blue fluorescence and synthesis method, applied in the field of pyrazoline compounds, can solve problems such as poor performance of electroluminescent devices, and achieve the effects of improving connection strength, improving fluorescence quantum yield, and increasing bonding strength
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[0087] Example 1
[0088] Supramolecular polymer 1 and its synthesis:
[0089] The synthesis process of supramolecular polymer 1 includes the following three steps: (1) Synthesis of N-carboxymethyl{2-octyloxy-5-[N-(2-acetamidoacetyl)amino]benzamide } (Fragment I); (2) Synthesis of 3,5-diamino-N-{4-[1-phenyl-3-(4-methylphenyl)-4,5-dihydro-1H-pyrazole -5-yl]phenyl}benzamide (fragment II-1); (3) Fragment I and fragment II-1 are linked to form monomer molecule 1, and self-assemble into supramolecular polymer 1.
[0090] 1. Synthesis of Fragment I
[0091] Fragment I is prepared using methyl salicylate as a raw material, through eight steps of reactions, and finally successfully prepared by seven intermediates including Ia, Ib, Ic, Id, Ie, If, Ig. The process steps (1) to (6) of the first six reactions, namely the synthesis process steps of intermediates Ia, Ib, Ic, Id, Ie, If, can be found in Chinese invention patent ZL200410081544.1, patent application date: 2004 December 21.
[0092] ...
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[0112] Example 2
[0113] Supramolecular polymer 2 and its synthesis:
[0114] The synthesis process of supramolecular polymer 2 includes the following three steps: (1) Synthesis of N-carboxymethyl{2-octyloxy-5-[N-(2-acetamidoacetyl)amino]benzamide } (Fragment I); (2) Synthesis of 3,5-diamino-N-{4-[1-phenyl-3-(4-ethylphenyl)-4,5-dihydro-1H-pyrazole -5-yl]phenyl}benzamide (fragment II-2); (3) Fragment I and Fragment II-2 are linked into monomer molecule 2, and self-assembled into supramolecular polymer 2.
[0115] The synthesis process of Fragment I is the same as in Example 1. The synthesis process of Fragment II-2 is similar to the synthesis process of Fragment II-1 in Example 1, except that toluene (IIa-1) is replaced by ethylbenzene (IIa- 2); The synthesis process of linking fragment I and fragment II-2 into monomer molecule 2 and self-assembled into supramolecular polymer 2 is the same as in Example 1, and only II-1 is replaced with II-2. The obtained supramolecular polymer 2 ...
Example Embodiment
[0116] Example 3
[0117] Supramolecular polymer 3 and its synthesis:
[0118] The synthesis process of supramolecular polymer 3 includes the following three steps: (1) Synthesis of N-carboxymethyl{2-octyloxy-5-[N-(2-acetamidoacetyl)amino]benzamide } (Fragment I); (2) Synthesis of 3,5-diamino-N-{4-[1-phenyl-3-(4-methoxyphenyl)-4,5-dihydro-1H-pyridine Azol-5-yl]phenyl}benzamide (fragment II-3); (3) Fragment I and fragment II-3 are connected to form monomer molecule 3 and self-assemble into supramolecular polymer 3.
[0119] The synthetic process steps of Fragment I are the same as in Example 1. The synthetic process steps of Fragment II-3 are similar to the synthetic process steps of Fragment II-1 in Example 1, except that toluene (IIa-1) is replaced with anisole (IIa). -3); The synthesis process of linking fragment I and fragment II-3 into monomer molecule 3 and self-assembled into supramolecular polymer 3 is the same as that in Example 1, except that II-1 is replaced with II-3. T...
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