Enantiomerically pure cyanohydrins are important synthetic intermediates for pharmaceuticals and agrochemicals. They are produced by enzyme-catalysed synthesis using oxynitrilases. Sufficient quantities of enzyme are available via cheap natural sources and there have been recent advances in overexpression production of cyanohydrins on an industrial scale.
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Chirality engineering-regulated liquid-liquid phase separation of stress granules and its role in chemo-sensitization and side effect mitigation.
J Colloid Interface Sci
January 2025
Department of Oncology, the First Affiliated Hospital with Nanjing Medical University, Nanjing, 210029, PR China. Electronic address:
In recent years, the chiral biological effects of nanomedicines have garnered significant interest. Research has focused on understanding how material chirality affects cellular transcription and metabolism. Stress granules, which are membraneless organelles formed through liquid-liquid phase separation of G3BP1 proteins and related compartments, have been extensively studied and are closely associated with cellular damage repair and metabolism.
View Article and Find Full Text PDFEnantioselective Synthesis of Chiral 2,2-Difluoro-spiroindanone-dihydroquinazolinones by CPA-Catalyzed Cyclization Reactions.
Org Lett
January 2025
Key Laboratory of Chemistry in Ethnic Medicinal Resources, School of Ethnic Medicine, Yunnan Key Laboratory of Chiral Functional Substance Research and Application, Yunnan Minzu University, Kunming 650500, China.
The synthesis of chiral -difluorinated spiro-heterocyclic compounds continues to be a significant challenge in organic chemistry due to their widespread applications across various fields. Therefore, efficient asymmetric approaches for the synthesis of -difluorinated spiroindanone-dihydroquinazolinones are particularly valuable, especially in the industrial manufacturing of chiral fluorinated drugs. Herein, we developed the CPA-catalyzed asymmetric enantioselective cyclization reactions of -difluoroalkyl 1,3-indandiones with anthranilamides to achieve various chiral 2,2-difluoro-spiroindanone-dihydroquinazolinones in good to high yields with excellent enantioselectivities.
View Article and Find Full Text PDFIonothermal Synthesis of AmBOCl: A Chiral Cubic Americium Borate Cluster.
Inorg Chem
January 2025
Center for Hierarchical Waste Form Materials, University of South Carolina, Columbia, South Carolina 29208, United States.
Ionic liquids were used as low temperature solvents for the synthesis of new lanthanide and transuranic-element (TRU) borate cluster structures. Ionothermal synthesis with the ionic liquid [BMIm]Cl (1-butyl-3-methylimidazolium chloride) yielded the La, Nd, and Am containing phases LaBOCl, NdBOCl, and AmBOCl. The structures of the La, Nd, and Am borate clusters were determined by single crystal X-ray diffraction (SCXRD) and found to be cubic, in the chiral space group 23.
View Article and Find Full Text PDF[ ZMU-T06 produces 2-substituted quinolines by oxidative dehydroaromatization].
Sheng Wu Gong Cheng Xue Bao
January 2025
Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, Guizhou, China.
2-substituted quinolines are the building blocks for the synthesis of natural products and pharmaceuticals. In comparison with classical methods, dehydroaromatization of 2-substituted-1,2,3,4-tetrahydroquinolines has emerged in recent years as an efficient and straightforward method to synthesize quinolines due to its high atom economy and sustainability. However, existing chemical methods need transition metal catalysts and harsh reaction conditions.
View Article and Find Full Text PDF[Application of biomanufacturing in polymer flooding].
Sheng Wu Gong Cheng Xue Bao
January 2025
College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, Zhejiang, China.
In China, the crude oil supply is highly dependent on overseas countries, and thus strengthening crude oil self-sufficiency has become an important issue of the national energy security. Tertiary oil recovery, especially polymer flooding, has been widely applied in large oil fields in China, which can increase the recovery rate by 15%-20% compared with water flooding. However, the widely used oil flooding polymers show poor thermal stability and salinity tolerance, complicated synthesis ways of monomers, and environmental unfriendliness.
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