Two synthetic strategies have been developed for the synthesis of spaced sugars with lipophilic 1,4-phenylene core. A building block combining the usefulness of Weinreb amide functionality and modified Julia olefination reaction has been explored towards this objective. This building block offers complete flexibility in attaching any desired sugar derivative across phenylene spacer via C-C bond formation. The other strategy uses carbohydrate based building blocks for the synthesis of symmetrical as well as unsymmetrical 1,4-phenylene spaced sugars. This is the first report for the synthesis of 1,4-phenylene spaced sugars via C-C bond formation.
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http://dx.doi.org/10.1016/j.carres.2011.11.005 | DOI Listing |
Sci Rep
December 2024
ICAR-Indian Grassland and Fodder Research Institute, Jhansi, 284 003, India.
Sugarcane is a major industrial crop highly susceptible to parasitic weed (Striga spp.), causing a 38% reduction in cane yield due to a longer lag phase of 20-40 days, and wider spacing. Herbicides with a longer retention and slow-release nature could allow Striga seeds to germinate and be killed before attaching to the host.
View Article and Find Full Text PDFAnal Chem
November 2024
Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California San Diego, La Jolla, California 92093, United States.
Diabetes management demands precise monitoring of key biomarkers, particularly insulin (I) and glucose (G). Herein, we present a bioelectronic chip device that enables the simultaneous detection of I and G in biofluids within 2 min. This dual biosensor chip integrates aptamer-based insulin sensing with enzymatic glucose detection on a single platform, employing a four-electrode sensor chip.
View Article and Find Full Text PDFBMC Plant Biol
October 2024
School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China.
Biochemistry
October 2024
Department of Biochemistry, School of Medicine, Vanderbilt Ingram Cancer Center, and Vanderbilt Center for Structural Biology, Vanderbilt University, Nashville, Tennessee 37232, United States.
α-l-(3'-2')-Threofuranosyl nucleic acid (TNA) pairs with itself, cross-pairs with DNA and RNA, and shows promise as a tool in synthetic genetics, diagnostics, and oligonucleotide therapeutics. We studied primer insertion and extension reactions catalyzed by human trans-lesion synthesis (TLS) DNA polymerase η (hPol η) opposite a TNA-modified template strand without and in combination with -alkyl thymine lesions. Across TNA-T (tT), hPol η inserted mostly dAMP and dGMP, dTMP and dCMP with lower efficiencies, followed by extension of the primer to a full-length product.
View Article and Find Full Text PDFInt J Obes (Lond)
December 2024
Center for Taste and Feeding Behaviour (CSGA), UMR CNRS 6265, INRAE 1324, Université de Bourgogne, L'institut Agro Dijon, 21000, Dijon, France.
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