Microwave-assisted conditions were adapted to our previously published synthesis of 8-aryl-7-deazaguanines via cyclocondensation of phenacyl bromides with 2,4-diamino-6-hydroxypyrimidine in refluxing 1,4-dioxane. Upon microwave irradiation at 150-225 degrees C, 8-aryl-7-deazaguanines were obtained in high yield above 90% and within 15-60 min, compared to the 24-72 h that are required under reflux conditions. Three new fluorescent 8-heteroaryl-7-deazaguanines were additionally produced and characterized confirming our hypothesis that compounds of this class typically exhibit fluorescence properties, regardless of the aryl substituent.
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Korea Natl Univ Transportat, Dept IT Convergence Brain Korea PLUS 21, Chungju 380702, South KoreaKorea Natl Univ Transportat, Dept Polymer Sci & Engn, Chungju 380702, South Korea
Park, Jongyeap
Kwon, Binhee
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Korea Natl Univ Transportat, Dept IT Convergence Brain Korea PLUS 21, Chungju 380702, South KoreaKorea Natl Univ Transportat, Dept Polymer Sci & Engn, Chungju 380702, South Korea
Kwon, Binhee
Jeong, Woojun
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Korea Natl Univ Transportat, Dept IT Convergence Brain Korea PLUS 21, Chungju 380702, South KoreaKorea Natl Univ Transportat, Dept Polymer Sci & Engn, Chungju 380702, South Korea
Jeong, Woojun
Chae, Ari
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Korea Natl Univ Transportat, Dept IT Convergence Brain Korea PLUS 21, Chungju 380702, South KoreaKorea Natl Univ Transportat, Dept Polymer Sci & Engn, Chungju 380702, South Korea
Chae, Ari
Choi, Yujin
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Korea Natl Univ Transportat, Dept IT Convergence Brain Korea PLUS 21, Chungju 380702, South KoreaKorea Natl Univ Transportat, Dept Polymer Sci & Engn, Chungju 380702, South Korea
Choi, Yujin
Park, Sung Young
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Korea Natl Univ Transportat, Dept IT Convergence Brain Korea PLUS 21, Chungju 380702, South Korea
Korea Natl Univ Transportat, Dept Chem & Biol Engn, Chungju 380702, South KoreaKorea Natl Univ Transportat, Dept Polymer Sci & Engn, Chungju 380702, South Korea
Park, Sung Young
In, Insik
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Korea Natl Univ Transportat, Dept Polymer Sci & Engn, Chungju 380702, South Korea
Korea Natl Univ Transportat, Dept IT Convergence Brain Korea PLUS 21, Chungju 380702, South KoreaKorea Natl Univ Transportat, Dept Polymer Sci & Engn, Chungju 380702, South Korea