The shape of ibuprofen in the gas phase.
The shape of ibuprofen in the gas phase.
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布洛芬在气相中的形状
DOI:
10.1039/c4cp05529b
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发表时间:
2015
期刊:
影响因子:
--
通讯作者:
M. Schnell
中科院分区:
文献类型:
--
作者:
T. Betz;S. Zinn;M. Schnell
Ibuprofen's pain-relieving properties arise from its ability to physically block the active site of an enzyme, thus making its structural and conformational properties highly interesting. We here present a conformer-selective high-resolution broadband rotational spectroscopy study of gas-phase ibuprofen. The interpretation of the spectroscopic results is supported by quantum-chemical calculations. We identify four low-energy conformers that differ in the structural arrangement of the isobutyl moiety with respect to the remainder of the molecule. While the isobutyl group shows high structural flexibility – resulting in distinct low-energy conformers – the propanoic acid group favors a stable arrangement.
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