Objective: Nifedipine is a calcium channel antagonist of dihydropyridine. There are many methods to synthesize nifedipine, but the yield is not high. In order to find a suitable process for the synthesis and industrialization of nifedipine, thermodynamic Parameters of Nifedipine had been estimated by Group Contribution Method. Methods: the standard molar enthalpy of reaction, standard isobaric heat capacity, residual entropy, the melting temperature and the flash point temperature of nifedipine were estimated by Joback method. Results: The results show that the standard molar reaction enthalpy of Nifedipine was estimated estimated by Joback method is , standard molar isobaric heat capacity is 108800J•mol-1•K-1 and residual entropy of nifedipine estimated by Joback method is at 290.15 K and atmospheric pressure which match with the datas of experiment. However the melting temperature and the flash point temperatureof nifedipine was estimated by Joback method is 1074.02 K and 969.98 K seperately, which have large gap between the estamated datas and the reality, and still need to revise. Coclusion: the thermodynamic parameters of nifedipine can be estimated by Joback group contribution method. Its corresponding data will provide essential support for industrial design and further theoretical studies.
Published in | Pharmaceutical Science and Technology (Volume 7, Issue 2) |
DOI | 10.11648/j.pst.20230702.12 |
Page(s) | 27-32 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2023. Published by Science Publishing Group |
Antihypertensive Drug, Nifedipine, Group Contribution Method, Standard Enthalpy of Formation Method, Joback Method
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APA Style
Zhao Mingrui, Liu Guangyu. (2023). Estimated Thermodynamic Parameters of Nifedipine by Group Contribution Method. Pharmaceutical Science and Technology, 7(2), 27-32. https://doi.org/10.11648/j.pst.20230702.12
ACS Style
Zhao Mingrui; Liu Guangyu. Estimated Thermodynamic Parameters of Nifedipine by Group Contribution Method. Pharm. Sci. Technol. 2023, 7(2), 27-32. doi: 10.11648/j.pst.20230702.12
AMA Style
Zhao Mingrui, Liu Guangyu. Estimated Thermodynamic Parameters of Nifedipine by Group Contribution Method. Pharm Sci Technol. 2023;7(2):27-32. doi: 10.11648/j.pst.20230702.12
@article{10.11648/j.pst.20230702.12, author = {Zhao Mingrui and Liu Guangyu}, title = {Estimated Thermodynamic Parameters of Nifedipine by Group Contribution Method}, journal = {Pharmaceutical Science and Technology}, volume = {7}, number = {2}, pages = {27-32}, doi = {10.11648/j.pst.20230702.12}, url = {https://doi.org/10.11648/j.pst.20230702.12}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.pst.20230702.12}, abstract = {Objective: Nifedipine is a calcium channel antagonist of dihydropyridine. There are many methods to synthesize nifedipine, but the yield is not high. In order to find a suitable process for the synthesis and industrialization of nifedipine, thermodynamic Parameters of Nifedipine had been estimated by Group Contribution Method. Methods: the standard molar enthalpy of reaction, standard isobaric heat capacity, residual entropy, the melting temperature and the flash point temperature of nifedipine were estimated by Joback method. Results: The results show that the standard molar reaction enthalpy of Nifedipine was estimated estimated by Joback method is , standard molar isobaric heat capacity is 108800J•mol-1•K-1 and residual entropy of nifedipine estimated by Joback method is at 290.15 K and atmospheric pressure which match with the datas of experiment. However the melting temperature and the flash point temperatureof nifedipine was estimated by Joback method is 1074.02 K and 969.98 K seperately, which have large gap between the estamated datas and the reality, and still need to revise. Coclusion: the thermodynamic parameters of nifedipine can be estimated by Joback group contribution method. Its corresponding data will provide essential support for industrial design and further theoretical studies.}, year = {2023} }
TY - JOUR T1 - Estimated Thermodynamic Parameters of Nifedipine by Group Contribution Method AU - Zhao Mingrui AU - Liu Guangyu Y1 - 2023/10/14 PY - 2023 N1 - https://doi.org/10.11648/j.pst.20230702.12 DO - 10.11648/j.pst.20230702.12 T2 - Pharmaceutical Science and Technology JF - Pharmaceutical Science and Technology JO - Pharmaceutical Science and Technology SP - 27 EP - 32 PB - Science Publishing Group SN - 2640-4540 UR - https://doi.org/10.11648/j.pst.20230702.12 AB - Objective: Nifedipine is a calcium channel antagonist of dihydropyridine. There are many methods to synthesize nifedipine, but the yield is not high. In order to find a suitable process for the synthesis and industrialization of nifedipine, thermodynamic Parameters of Nifedipine had been estimated by Group Contribution Method. Methods: the standard molar enthalpy of reaction, standard isobaric heat capacity, residual entropy, the melting temperature and the flash point temperature of nifedipine were estimated by Joback method. Results: The results show that the standard molar reaction enthalpy of Nifedipine was estimated estimated by Joback method is , standard molar isobaric heat capacity is 108800J•mol-1•K-1 and residual entropy of nifedipine estimated by Joback method is at 290.15 K and atmospheric pressure which match with the datas of experiment. However the melting temperature and the flash point temperatureof nifedipine was estimated by Joback method is 1074.02 K and 969.98 K seperately, which have large gap between the estamated datas and the reality, and still need to revise. Coclusion: the thermodynamic parameters of nifedipine can be estimated by Joback group contribution method. Its corresponding data will provide essential support for industrial design and further theoretical studies. VL - 7 IS - 2 ER -