Have been dissolved in 40 mL ethanol and 20 mL water. The mixture was trans-Ned 19 Technical Information stirred for about 15 min then filtered. Immediately after the slow evaporation from the solvent yellow crystals formed. FT-IR (cm-1 ): 3039w, 2891w, 2803w, 2747w, 2681w, 2580m, 2108-2477br, 1751vs, 1594vs, 1465s, 1417s, 1384s, 1247vs, 1183s, 1070s, 962s, 827s, 587s. 2.1.5. Synthesis of (H2 Fl)(bpeta) (5) Fluorescein (0.0664 g, 0.2 mmol) and 1,2-bis(4-pyridyl)ethane (0.0364 g, 0.two mmol) were dissolved in 40 mL methanol followed by 15 min of stirring after which the mixture was filtered. After one-week yellow crystals have been obtained. FT-IR (cm-1 ): 3496w, 3037m, 2950m, 2895m, 2804m, 2751m, 2680s, 2580s, 2480126br, 1834w, 1752vs, 1598vs, 1465s, 1418s, 1332s, 1246vs, 1185vs, 1098vs, 1001s, 895s, 819s, 686s. 2.1.6. Synthesis of [(HFl)(Hampy)]H2 O (6) and [(HFl)(Hampy)] (7) Compound 6 was obtained by dissolving fluorescein (0.0664 g, 0.two mmol) and 4aminopyridine (0.0188 g, 0.2 mmol) in 20 mL ethanol (96 ) and 20 mL acetonitrile. The mixture was stirred for 15 min after which filtered, and it was left for slow evaporation in the solvent. Right after several days prismatic orange-red crystals of six appeared on the wall from the beaker. The precipitate obtained on the bottom on the beaker was dissolved in 20 mL ethanol and 20 mL water, then it was stirred for 15 min and filtered. Following a number of days red needle crystals of 7 were obtained. FT-IR (cm-1 ) (six): 3625w, 3166s, 3098s, 2910s, 2669s, 2178582br, 2045w, 1873br, 1645s, 1571vs, 1507vs, 1460vs, 1366vs, 1313vs, 1275vs, 1194s, 1112s, 829s, 656m; (7): 3640w, 3065m, 2024601br, 1764w, 1600vs, 1565vs, 1447vs, 1282vs, 1180vs, 1095vs, 912m, 837s, 752s, 645m. 2.1.7. Synthesis of [(Fl)(H2 diach)]H2 O (eight) Fluorescein (0.0664 g, 0.two mmol) and trans-1,4-diaminocyclohexane (0.0228 g, 0.2 mmol) have been dissolved in 40 mL ethanol and 20 mL water. The mixture was stirred for 15 min and then filtered. Red crystals formed just after several days. FT-IR (cm-1 ): 3639w, 3427w, 2861s, 2570s, 1690000br, 1627w, 1568vs, 1456vs, 1380vs, 1325vs, 1271vs, 1208vs, 1158s, 1090s, 908m, 845m, 582w. two.1.8. Synthesis of [(HFl)2 (H2 diach)]H2 O tOH (9) Fluorescein (0.1328 g, 0.4 mmol) and trans-1,4-diaminocyclohexane (0.0228 g, 0.two mmol) had been dissolved in 40 mL ethanol and 20 mL water. The mixture was stirred for 15 min then filtered. Following per week red crystals formed. FT-IR (cm-1 ): 3600047br, 2931s, 2861s, 2611s, 2111554br, 1907w, 1621vs, 1564vs, 1457vs, 1380vs, 1324vs, 1204s, 1159s, 1051s, 836s, 665m.Crystals 2021, 11,four of2.1.9. Synthesis of [(HFl)two (Fl)2 (H2 diach)3 ]H2 O (10) Fluorescein (0.1328 g, 0.four mmol) and trans-1,4-diaminocyclohexane (0.0342 g, 0.three mmol) were dissolved in 50 mL ethanol and 20 mL water. The mixture was stirred for 15 min and then filtered. Red crystals formed after per week. FT-IR (cm-1 ): 3503w, 3431w, 1628s, 1567vs, 1455s, 1377vs, 1321vs, 1203s, 1092s, 833s, 589s. two.2. Physical Measurements two.2.1. X-ray Structure Determination X-ray diffraction measurements for the crystals 1, five, 9 and ten had been performed on a STOE IPDS II diffractometer, operating having a Mo-K ( = 0.71073 X-ray tube having a graphite monochromator. X-ray diffraction measurements for crystals four and eight had been performed on a Rigaku XtaLAB Synergy-S diffractometer operating with a Mo-K ( = 0.71073 micro-focus sealed X-ray tube. The structures had been solved by direct solutions and refined by full-matrix least-squares methods based on F2 . The non-H atoms had been refined with Rucaparib site anisotropic displacement parameters.
