Gas-phase synthesis of racemic helicenes and their potential role in the enantiomeric enrichment of sugars and amino acids in meteorites
文献类型：期刊论文
| 作者 | Kaiser, Ralf I.10; Zhao, Long10; Lu, Wenchao9; Ahmed, Musahid9; Evseev, Mikhail M.8; Azyazov, Valeriy N.8; Mebel, Alexander M.7; Mohamed, Rana K.3,4,5,6; Fischer, Felix R.3,4,5,6; Li, Xiaohu1,2
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| 刊名 | PHYSICAL CHEMISTRY CHEMICAL PHYSICS
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| 出版日期 | 2022-09-03 |
| 页码 | 11 |
| ISSN号 | 1463-9076 |
| DOI | 10.1039/d2cp03084e |
| 通讯作者 | Kaiser, Ralf I.(ralfk@hawaii.edu) ; Ahmed, Musahid(mahmed@lbl.gov) ; Mebel, Alexander M.(mebela@fiu.edu) ; Li, Xiaohu(xiaohu.li@xao.ac.cn) |
| 英文摘要 | The molecular origins of homochirality on Earth is not understood well, particularly how enantiomerically enriched molecules of astrobiological significance like sugars and amino acids might have been synthesized on icy grains in space preceding their delivery to Earth. Polycyclic aromatic hydrocarbons (PAHs) identified in carbonaceous chondrites could have been processed in molecular clouds by circularly polarized light prior to the depletion of enantiomerically enriched helicenes onto carbonaceous grains resulting in chiral islands. However, the fundamental low temperature reaction mechanisms leading to racemic helicenes are still unknown. Here, by exploiting synchrotron based molecular beam photoionization mass spectrometry combined with electronic structure calculations, we provide compelling testimony on barrierless, low temperature pathways leading to racemates of [5] and [6]helicene. Astrochemical modeling advocates that gas-phase reactions in molecular clouds lead to racemates of helicenes suggesting a pathway for future astronomical observation and providing a fundamental understanding for the origin of homochirality on early Earth. |
| WOS关键词 | POLYCYCLIC AROMATIC-HYDROCARBONS ; CIRCULARLY-POLARIZED LIGHT ; LOW-TEMPERATURE FORMATION ; INTERSTELLAR ; ORIGIN ; IRRADIATION ; MOLECULES ; CHIRALITY ; BENZENE ; PHOTOLYSIS |
| 资助项目 | U.S. Department of Energy, Basic Energy Sciences[DE-FG02-03ER15411] ; U.S. Department of Energy, Basic Energy Sciences[DE-FG02-04ER15570] ; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy through the Gas Phase Chemical Physics program of the Chemical Sciences Division[DE-AC02-05CH11231] ; Ministry of Science and Higher Education of the Russian Federation[075-152021-597] ; Xinjiang Tianchi project (2019) |
| WOS研究方向 | Chemistry ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000849190900001 |
| 出版者 | ROYAL SOC CHEMISTRY |
| 资助机构 | U.S. Department of Energy, Basic Energy Sciences ; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy through the Gas Phase Chemical Physics program of the Chemical Sciences Division ; Ministry of Science and Higher Education of the Russian Federation ; Xinjiang Tianchi project (2019) |
| 源URL | [http://ir.xao.ac.cn/handle/45760611-7/4860]  |
| 专题 | 天体化学研究团组 |
| 通讯作者 | Kaiser, Ralf I.; Ahmed, Musahid; Mebel, Alexander M.; Li, Xiaohu |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Radio Astron, Urumqi 830011, Xinjiang, Peoples R China 2.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Xinjiang, Peoples R China 3.Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA 4.Univ Calif Berkeley, Kavli Energy Nano Sci Inst, Berkeley, CA 94720 USA 5.Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA 6.Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA 7.Florida Int Univ, Dept Chem & Biochem, Miami, FL 33199 USA 8.Lebedev Phys Inst, Samara 443011, Russia 9.Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA 10.Univ Hawaii Manoa, Dept Chem, Honolulu, HI 96822 USA |
| 推荐引用方式 GB/T 7714 | Kaiser, Ralf I.,Zhao, Long,Lu, Wenchao,et al. Gas-phase synthesis of racemic helicenes and their potential role in the enantiomeric enrichment of sugars and amino acids in meteorites[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2022:11. |
| APA | Kaiser, Ralf I..,Zhao, Long.,Lu, Wenchao.,Ahmed, Musahid.,Evseev, Mikhail M..,...&Li, Xiaohu.(2022).Gas-phase synthesis of racemic helicenes and their potential role in the enantiomeric enrichment of sugars and amino acids in meteorites.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,11. |
| MLA | Kaiser, Ralf I.,et al."Gas-phase synthesis of racemic helicenes and their potential role in the enantiomeric enrichment of sugars and amino acids in meteorites".PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2022):11. |
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