膦基甲酸

膦基甲酸
识别
CAS号	4472-16-6
性质
化学式	CH3O2P
摩尔质量	78.01 g·mol−1
	若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

膦基甲酸是一种不稳定的有机化合物，化学式为H₂PCOOH。它于2018年首次在气相被检测到。^[1]它可由磷杂乙炔醇钠的水解或磷二氢化钠与二氧化碳的反应制得。^[2]计算表明，氨基甲酸（H₂NCOOH）的氮原子被磷原子取代后，部分双键的C=N转变为单键C-P。^[1]它可以以配合物（(CO)₅CrPH₂COOH）的形式稳定存在。^[3]

参考文献

^ ^1.0 ^1.1 Cheng Zhu, Robert Frigge, Andrew M. Turner, Ralf I. Kaiser, Bing-Jian Sun, Si-Ying Chen, Agnes H. H. Chang. First identification of unstable phosphino formic acid (H 2 PCOOH). Chemical Communications. 2018, 54 (45): 5716–5719 [2023-03-03]. ISSN 1359-7345. PMC 6340708 . PMID 29774326. doi:10.1039/C8CC01391H （英语）.
^ Roy E. Schreiber, Jose M. Goicoechea. Phosphine Carboxylate—Probing the Edge of Stability of a Carbon Dioxide Adduct with Dihydrogenphosphide. Angewandte Chemie International Edition. 2021-02-15, 60 (7): 3759–3767 [2023-03-03]. ISSN 1433-7851. doi:10.1002/anie.202013914. （原始内容存档于2023-03-01）（英语）.
^ Klaus Diemert, Thomas Hahn, Wilhelm Kuchen, Dietrich Mootz, Wolfgang Poll, Peter Tommes. Kristallstruktur von (CO) 5 CrPH 2 COOH und ab initio-Berechnung des hypothetischen freien Liganden [H 2 PCOOH] 2 – ein Vergleich / Crystal Structure of (CO) 5 CrPH 2 COOH and ab initio Calculation of the Hypothetical Free Ligand [H 2 PCOOH] 2 – a Comparison. Zeitschrift für Naturforschung B. 1995-02-01, 50 (2): 209–212 [2023-03-03]. ISSN 1865-7117. doi:10.1515/znb-1995-0209. （原始内容存档于2023-03-01）（英语）.

[Zhu-1] 1.0 ^1.1 Cheng Zhu, Robert Frigge, Andrew M. Turner, Ralf I. Kaiser, Bing-Jian Sun, Si-Ying Chen, Agnes H. H. Chang. First identification of unstable phosphino formic acid (H 2 PCOOH). Chemical Communications. 2018, 54 (45): 5716–5719 [2023-03-03]. ISSN 1359-7345. PMC 6340708 . PMID 29774326. doi:10.1039/C8CC01391H （英语）.

[2] Roy E. Schreiber, Jose M. Goicoechea. Phosphine Carboxylate—Probing the Edge of Stability of a Carbon Dioxide Adduct with Dihydrogenphosphide. Angewandte Chemie International Edition. 2021-02-15, 60 (7): 3759–3767 [2023-03-03]. ISSN 1433-7851. doi:10.1002/anie.202013914. （原始内容存档于2023-03-01）（英语）.

[3] Klaus Diemert, Thomas Hahn, Wilhelm Kuchen, Dietrich Mootz, Wolfgang Poll, Peter Tommes. Kristallstruktur von (CO) 5 CrPH 2 COOH und ab initio-Berechnung des hypothetischen freien Liganden [H 2 PCOOH] 2 – ein Vergleich / Crystal Structure of (CO) 5 CrPH 2 COOH and ab initio Calculation of the Hypothetical Free Ligand [H 2 PCOOH] 2 – a Comparison. Zeitschrift für Naturforschung B. 1995-02-01, 50 (2): 209–212 [2023-03-03]. ISSN 1865-7117. doi:10.1515/znb-1995-0209. （原始内容存档于2023-03-01）（英语）.

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