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- https://chem.libretexts.org/Bookshelves/Organic_Chemistry/Organic_Chemistry_Nomenclature_Workbook_(O'Donnell)/01%3A_Chapters/1.03%3A_Alkyl_SubstituentsThis page provides guidance on naming organic molecules with alkyl substituents. An alkyl group is an alkane-derived substituent attached to a molecular structure to form a branched molecule. Alkyl gr...This page provides guidance on naming organic molecules with alkyl substituents. An alkyl group is an alkane-derived substituent attached to a molecular structure to form a branched molecule. Alkyl groups are named similarly to straight-chain alkanes. Several examples, such as methyl, ethyl, propyl, and butyl groups, are given, with condensed structures listed. The page further explains the IUPAC naming system, using a prefix, parent, and suffix.
- https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Physical_Chemistry_(LibreTexts)/14%3A_Nuclear_Magnetic_Resonance_Spectroscopy/14.06%3A_Spin-Spin_Coupling_Can_Lead_to_Multiplets_in_NMR_SpectraThis page explains spin-spin coupling in NMR spectroscopy, detailing how proton signals split into sub-peaks based on magnetic interactions between non-equivalent nuclei, following the n + 1 rule. It ...This page explains spin-spin coupling in NMR spectroscopy, detailing how proton signals split into sub-peaks based on magnetic interactions between non-equivalent nuclei, following the n + 1 rule. It covers coupling constants for protons on sp3 and sp2 carbons and introduces complex coupling scenarios with multiple interacting proton sets.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/26%3A_Biochemistry/26.04%3A_Amino_AcidsThis page discusses the growing trend of athletes using amino acid supplements to boost performance, indicating that these products mainly profit manufacturers. It emphasizes that a balanced diet is m...This page discusses the growing trend of athletes using amino acid supplements to boost performance, indicating that these products mainly profit manufacturers. It emphasizes that a balanced diet is more beneficial for users. The page also covers the characteristics of amino acids, which are essential compounds in living organisms, highlighting the 20 biologically relevant amino acids and their representation in abbreviated forms.
- https://chem.libretexts.org/Bookshelves/Analytical_Chemistry/Instrumental_Analysis_(LibreTexts)/17%3A_Applications_of_Infrared_SpectrometryInfrared spectroscopy finds wide use for both qualitative and quantitative analysis. Our organization of IR applications follows that traditionally used by others by dividing the broad range of infrar...Infrared spectroscopy finds wide use for both qualitative and quantitative analysis. Our organization of IR applications follows that traditionally used by others by dividing the broad range of infrared radiation into three distinct units: the near-IR, the mid-IR, and the far-IR. Note that the near in near-IR means that it is nearest to the visible range of light. Of these, the most important in terms of the breadth of applications is the mid-IR.
