The vitamin E analogues (2R,4'R,8'R)-nor-α-tocopherol (94 % de) and (2RS,4'R,8'R)-nor-α-tocopherol have been synthesized from (all R)-hexahydrofarnesol and phytol, respectively. According to in vitro experiments with murine macrophages nor-α-tocopherol is an anti-inflammatory compound more potent than α-tocopherol.
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http://dx.doi.org/10.1002/cbic.201000511 | DOI Listing |
Chempluschem
January 2025
TU Dortmund: Technische Universitat Dortmund, Chemistry and Chemical Biology, Otto-Hahn-Str. 6, 44227, Dortmund, GERMANY.
Strategies for combining ionic and non-ionic functional groups are important for altering detergent properties and exploring new chemical spaces within the detergentome. Previous synthesis protocols for ionic/non-ionic hybrid detergents require asymmetric detergent precursors with independently addressable hydroxyl groups that can be decorated with charged groups. However, preparation of ionic/non-ionic headgroups can be tedious in terms of required synthesis steps and resource consumption.
View Article and Find Full Text PDFAngew Chem Int Ed Engl
January 2025
Guangzhou University, Center for Advanced Analytical Science, c/o School of Chemistry and Chemical Engineering, 230 Wai Huan Xi Road, Guangzhou Higher Education Mega Center, Guangzhou 510006 P, 510006, Guangzhou, CHINA.
The optimization of morphology in all-polymer solar cells (all-PSCs) often relies on the use of solvent additives. However, their tendency to remain trapped in the device due to high boiling points leads to performance degradation over time. In this study, we introduce a novel approach involving the design and synthesis of one dual-asymmetric solid additive featuring mono-brominated-asymmetric dithienothiophene (SL-1).
View Article and Find Full Text PDFNat Commun
January 2025
State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases, Nanjing Medical University, Nanjing, China.
Little is known about the regulation and function of phase separation in craniofacial developmental disorders. MSX1 mutations are associated with human cleft palate, the most common craniofacial birth defect. Here, we show that MSX1 phase separation is a vertebrate-conserved mechanism underlying embryonic palatal fusion.
View Article and Find Full Text PDFNat Commun
January 2025
College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun, P. R. China.
The enantioselective domino Heck/cross-coupling has emerged as a powerful tool in modern chemical synthesis for decades. Despite significant progress in relative rigid skeleton substrates, the implementation of asymmetric Heck/cross-coupling cascades of highly flexible haloalkene substrates remains a challenging and and long-standing goal. Here we report an efficient asymmetric domino Heck/Tsuji-Trost reaction of highly flexible vinylic halides with 1,3-dienes enabled by palladium catalysis.
View Article and Find Full Text PDFAdv Protein Chem Struct Biol
January 2025
National Agri-Food Biotechnology Institute, Knowledge City, Mohali, Punjab, India. Electronic address:
Nuclear protein transcription factors (TFs) regulate all biological processes in plants and are necessary for gene regulation. The transcription of genes during plant growth and development and their response to environmental cues are regulated by TF binding to specific promoter regions in the genomic DNA. Polyploid plants with several sets of chromosomes frequently display intricate genomic biases concerning TF expression.
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