Factors Affecting the Stability of Platinum(II) Complexes with 1,2,4-Triazolo[1,5-a]pyrimidine Derivatives and Tetrahydrothiophene-1-Oxide or Diphenyl Sulfoxide
Abstract
:1. Introduction
2. Results and Discussion
2.1. Crystal Structures of cis-[PtCl2(dmtp)(TMSO)] (A1), cis-[PtCl2(dbtp)(TMSO)] (A3), and trans-[PtCl2(dbtp)(DPSO)] (B3)
2.2. Multinuclear 1H, 13C, 15N, and 195Pt NMR Spectroscopy
3. Materials and Methods
3.1. Materials and Instrumentation
3.2. Instrumentation
3.3. X-Ray Structure Determination
3.4. Computational Methods
3.5. Syntheses of Complexes
3.5.1. cis-[PtCl2(TMSO)2]
3.5.2. cis-[PtCl2(DPSO)2]
3.5.3. cis-[PtCl2(dstp) (TMSO)] (A1–A4) and trans-[PtCl2(dstp) (DPSO] (B1–B4)
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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(A1) | (A3) | (B3) | ||||
---|---|---|---|---|---|---|
Bond Lengths [Å] | ||||||
Exp. | Calc. | Exp. | Calc. | Exp. | Calc. | |
Pt1-N3 | 2.017 (4) | 2.043 | 2.020 (6) | 2.046 | 2.033 (6) | 2.052 |
Pt1-S1 | 2.199 (14) | 2.256 | 2.199 (2) | 2.274 | 2.215 (18) | 2.267 |
Pt1-Cl1 | 2.301 (12) | 2.343 | 2.307 (2) | 2.349 | 2.281 (2) | 2.357 |
Pt1-Cl2 | 2.306 (15) | 2.351 | 2.299 (2) | 2.342 | 2.295 (2) | 2.349 |
Angles [°] | ||||||
Exp. | Calc. | Exp. | Calc. | Exp. | Calc. | |
N3-Pt1-S1 | 89.65 (13) | 91.5 | 89.28 (18) | 89.33 | 175.29 (16) | 175.6 |
N3-Pt1-Cl1 | 178.63 (11) | 178.7 | 88.55 (19) | 87.47 | 88.28 (18) | 87.6 |
S1-Pt1-Cl1 | 90.60 (5) | 91.5 | 177.30 (8) | 176.28 | 92.86 (7) | 94.5 |
N3-Pt1-Cl2 | 88.56 (13) | 87.9 | 179.17 (19) | 177.19 | 87.58 (18) | 88.0 |
S1-Pt1-Cl2 | 175.51 (5) | 179.3 | 90.60 (9) | 93.43 | 91.32 (8) | 89.8 |
Cl1-Pt1-Cl2 | 91.29 (5) | 90.8 | 91.54 (9) | 89.75 | 175.82 (9) | 175.2 |
(A2) | (A4) | (B1) | (B2) | (B4) | |
---|---|---|---|---|---|
Bond Lengths [Å] | |||||
Pt1-N3 | 2.042 | 2.043 | 2.053 | 2.054 | 2.052 |
Pt1-S1 | 2.259 | 2.258 | 2.267 | 2.266 | 2.267 |
Pt1-Cl1 | 2.351 | 2.349 | 2.348 | 2.350 | 2.355 |
Pt1-Cl2 | 2.341 | 2.343 | 2.355 | 2.355 | 2.355 |
Angles [°] | |||||
N3-Pt1-S1 | 91.5 | 91.4 | 175.4 | 175.4 | 175.7 |
N3-Pt1-Cl1 | 87.7 | 87.8 | 87.4 | 87.3 | 87.8 |
S1-Pt1-Cl1 | 178.6 | 179.1 | 94.5 | 94.6 | 90.5 |
N3-Pt1-Cl2 | 178.5 | 178.5 | 87.9 | 88.0 | 87.7 |
S1-Pt1-Cl2 | 89.9 | 89.9 | 90.1 | 90.0 | 90.5 |
Cl1-Pt1-Cl2 | 90.9 | 90.9 | 174.8 | 175.1 | 174.6 |
(A1) | (A2) | (A3) | (A4) | |||||
---|---|---|---|---|---|---|---|---|
Expt. | Calc. | Expt. | Calc. | Expt. | Calc. | Expt. | Calc. | |
δH2 | 8.53 (+0.13) | 8.82 | 8.56 (+0.10) | 8.83 | 8.56 (+0.14) | 8.86 | 8.66 (+0.07) | 8.88 |
δH6 | 7.07 (+0.26) | 7.55 | 6.95 (+0.22) | 7.52 | 7.16 (+0.16) | 7.74 | 7.79 (+0.07) | 8.30 |
δC2 | 153.0 (−2.2) | 153.10 | 152.9 (−2.3) | 152.72 | 152.1 (−2.1) | 151.56 | 153.7 (−1.1) | 153.79 |
δC3a | 151.9 (−3.2) | 151.34 | 151.8 (−3.6) | 151.87 | 152.5 (−3.4) | 151.90 | 153.0 (−2.3) | 152.63 |
δC5 | 168.7 (+4.0) | 168.86 | 168.6 (+3.9) | 168.21 | 179.1 (+3.4) | 179.50 | 164.4 (+1.9) | 163.00 |
δC6 | 113.4 (+2.6) | 110.44 | 113.2 (+2.7) | 111.24 | 106.0 (+2.6) | 106.01 | 108.8 (+1.6) | 106.64 |
δC7 | 148.1 (+1.4) | 149.74 | 151.1 (+1.4) | 152.49 | 158.7 (+1.3) | 160.73 | 149.3 (+0.9) | 150.21 |
δN1 | −110.6 (+1.6) | −116.91 | −110.7 (+1.3) | −118.69 | −106.6 (+0.4) | −113.26 | −110.3 (+1.0) | −117.28 |
δN3 | −226.2 (−72.2) | −207.31 | −226.7 (−72.7) | −206.98 | −228.0 (−70.9) | −208.19 | −225.5 (−64.6) | −207.80 |
δN4 | −114.5 (−1.1) | −125.52 | −114.4 (−1.0) | −126.62 | −114.7 (+0.2) | −130.09 | −122.2 (−0.4) | −137.47 |
δN8 | −157.2 (−2.3) | −165.06 | −157.9 (−2.4) | −165.27 | −160.3 (−2.2) | −166.95 | −162.0(−2.2) | −170.60 |
δPt | −3010 | −3209.32 | −3007 | −3202.16 | −3000 | −3186.18 | −3009 | −3195.93 |
(B1) | (B2) | (B3) | (B4) | |||||
---|---|---|---|---|---|---|---|---|
Expt. | Calc. | Expt. | Calc. | Expt. | Calc. | Expt. | Calc. | |
δH2 | 8.57 (+0.17) | 8.87 | 8.55 (+0.09) | 8.86 | 8.54 (+0.12) | 8.92 | 8.65 (+0.06) | 8.97 |
δH6 | 7.01 (+0.20) | 7.57 | 6.93 (+0.20) | 7.55 | 7.15 (+0.15) | 7.74 | 7.79 (+0.07) | 8.36 |
δC2 | 152.9 (−2.3) | 152.81 | 152.8 (−2.4) | 152.69 | 151.8 (−2.4) | 152.13 | 153.6 (−1.2) | 153.59 |
δC3a | 151.8 (−3.3) | 151.62 | 152.1 (−3.3) | 151.72 | 152.5 (−3.4) | 152.33 | 152.9 (−2.4) | 152.77 |
δC5 | 168.8 (+4.1) | 168.44 | 168.6 (+3.9) | 168.37 | 179.0 (+3.3) | 180.05 | 164.2 (+1.7) | 163.33 |
δC6 | 113.4 (+2.6) | 110.50 | 113.1 (+2.6) | 111.24 | 106.0 (+2.6) | 103.99 | 108.7 (+1.5) | 106.82 |
δC7 | 148.0 (+1.3) | 149.77 | 151.0 (+1.3) | 152.67 | 158.7 (+1.3) | 161.84 | 149.3 (+0.9) | 150.65 |
δN1 | −110.6 (+1.6) | −117.15 | −110.7 (+1.3) | −117.15 | −106.0 (+1.0) | −113.19 | −110.0 (+1.3) | −117.58 |
δN3 | −226.6 (−72.6) | −213.13 | −227.1 (−73.1) | −213.80 | −227.7 (−70.6) | −217.63 | −225.4 (−64.5) | −213.41 |
δN4 | −113.7(−0.3) | −126.29 | −113.6 (−0.2) | −126.25 | −115.1 (−0.2) | −125.87 | −122.0 (+0.2) | −136.29 |
δN8 | −157.4 (−2.5) | −163.81 | −158.1 (−2.6) | −164.62 | −160.4 (−2.3) | 165.46 | −162.0 (−2.2) | 169.46 |
δPt | −3097 | −3465.9 | −3095 | −3466.9 | −3099 | 3445.3 | −3101 | 3442.8 |
Compound | cis-[PtCl2(dmtp)(TMSO)] (A1) | cis-[PtCl2(dbtp)(TMSO)] (A3) | trans-[PtCl2(dbtp (DPSO)] (B3) |
---|---|---|---|
Empirical formula | C11H16Cl2N4OPtS | C17H28Cl2N4OPtS | C25H30Cl2N4OPtS |
Formula weight | 518.33 | 602.48 | 700.58 |
Temperature; K | 293 (2) | 293 (2) | 293 (2) |
Wavelength; Å | 0.71073 | 0.71073 | 0.71073 |
Crystal system | Monoclinic | Monoclinic | Triclinic |
Space group | P21/n | P21/n | P-1 |
Unit cell dimensions; Å, ° | a = 10.7446 (3) | a = 12.3610 (16) | a = 9.3248 (7) |
b = 8.3993 (3) | b = 10.1722 (10) | b = 10.8972 (8) | |
c = 18.0425 (6) | c = 17.871 (2) | c = 14.6506 (12) | |
α = 90 | α =90 | α =88.183 (6) | |
β = 98.946 (3) | β = 94.347 (10) | β = 73.143 (7) | |
γ = 90 | γ = 90 | γ = 77.059 (6) | |
Volume; Å3 | 1608.48 (10) | 2240.6 (5) | 1387.67 (19) |
Z | 4 | 4 | 2 |
Density (calculated); Mg/m3 | 2.140 | 1.786 | 1.677 |
Absorption coefficient; mm−1 | 9.185 | 6.608 | 5.348 |
F (000) | 984 | 1176 | 688 |
Crystal size; mm | 0.340 × 0.209 × 0.136 | 0.609 × 0.579 × 0.194 | 0.312 × 0.237 × 0.086 |
Theta range for data collection | 2.285 to 28.462°. | 2.305 to 28.486°. | 2.342 to 28.516°. |
Index ranges | −13 < = h < = 14, −10 < = k < = 10, −23 < = l < = 21 | −15 < = h < = 15, −12 < = k < = 13, −21 < = l < = 23 | −12 < = h < = 12, −13 < = k < = 13, −19 < = l < = 13 |
Reflections collected | 10,499 | 15,074 | 9764 |
Independent reflections | 3696 [R(int) = 0.0474] | 5184 [R(int) = 0.0716] | 6129 [R(int) = 0.0389] |
Completeness to theta = 25.242° | 100.0 % | 99.9 % | 99.9 % |
Max. and min. transmission | 0.429 and 0.135 | 0.377 and 0.060 | 0.657 and 0.366 |
Refinement method | Full-matrix least-squares on F2 | Full-matrix least-squares on F2 | Full-matrix least-squares on F2 |
Data/restraints/parameters | 3696/0/181 | 5184/0/235 | 6129/0/307 |
Goodness-of-fit on F2 | 0.995 | 1.052 | 1.063 |
Final R indices [I > 2sigma(I)] | R1 = 0.0314, wR2 = 0.0497 | R1 = 0.0541, wR2 = 0.1178 | R1 = 0.0412, wR2 = 0.0744 |
R indices (all data) | R1 = 0.0524, wR2 = 0.0539 | R1 = 0.0816, wR2 = 0.1347 | R1 = 0.0597, wR2 = 0.0918 |
Largest diff. peak and hole; e.Å−3 | 1.203 and −0.791 | 2.862 and −1.726 | d −0.768 |
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Jakubowski, M.; Łakomska, I.; Kaszuba, A.; Wojtczak, A.; Sitkowski, J.; Jarzęcki, A.A. Factors Affecting the Stability of Platinum(II) Complexes with 1,2,4-Triazolo[1,5-a]pyrimidine Derivatives and Tetrahydrothiophene-1-Oxide or Diphenyl Sulfoxide. Int. J. Mol. Sci. 2022, 23, 3656. https://doi.org/10.3390/ijms23073656
Jakubowski M, Łakomska I, Kaszuba A, Wojtczak A, Sitkowski J, Jarzęcki AA. Factors Affecting the Stability of Platinum(II) Complexes with 1,2,4-Triazolo[1,5-a]pyrimidine Derivatives and Tetrahydrothiophene-1-Oxide or Diphenyl Sulfoxide. International Journal of Molecular Sciences. 2022; 23(7):3656. https://doi.org/10.3390/ijms23073656
Chicago/Turabian StyleJakubowski, Mateusz, Iwona Łakomska, Adriana Kaszuba, Andrzej Wojtczak, Jerzy Sitkowski, and Andrzej A. Jarzęcki. 2022. "Factors Affecting the Stability of Platinum(II) Complexes with 1,2,4-Triazolo[1,5-a]pyrimidine Derivatives and Tetrahydrothiophene-1-Oxide or Diphenyl Sulfoxide" International Journal of Molecular Sciences 23, no. 7: 3656. https://doi.org/10.3390/ijms23073656