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Nomenclature of Secondary and Tertiary Amines01:12

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The secondary and tertiary amines are derivatives of ammonia, where two and three of its hydrogens are replaced by alkyl groups, respectively. Secondary and tertiary amines can be symmetrical with identical alkyl groups attached to the nitrogen atom or unsymmetrical when more than one type of alkyl group is present. The standard nomenclature of secondary and tertiary amines is similar to the names given to the primary amines. They are generally named alkylamines. As depicted in Figure 1, for...
Nomenclature of Carboxylic Acid Derivatives: Amides and Nitriles01:11

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IUPAC Nomenclature of Aldehydes01:16

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Aldehydes are named based on the systematic nomenclature rules set by the IUPAC. For acyclic aldehydes, the longest carbon chain containing the aldehydic (–CHO) group is considered the parent chain. The aldehyde is named by replacing the last letter “e” in the hydrocarbon name with “al”. For instance, a simple, seven-carbon-membered acyclic aldehyde is called heptanal, derived from heptane. The carbon chain is numbered starting from the aldehydic carbon, although the aldehydic carbon’s locant...
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N-(3-Methyl-phen-yl)succinamic acid.

B Thimme Gowda, Sabine Foro, B S Saraswathi

    Acta Crystallographica. Section E, Structure Reports Online
    |May 18, 2011
    PubMed
    Summary
    This summary is machine-generated.

    This study details the crystal structure of C(11)H(13)NO(3), revealing specific molecular conformations and hydrogen bonding patterns. These findings contribute to understanding the solid-state behavior of this chemical compound.

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    Preparation of N-(2-alkoxyvinyl)sulfonamides from N-tosyl-1,2,3-triazoles and Subsequent Conversion to Substituted Phthalans and Phenethylamines

    Published on: January 3, 2018

    Area of Science:

    • Crystallography
    • Organic Chemistry
    • Molecular Structure

    Background:

    • Understanding the three-dimensional arrangement of atoms in organic molecules is crucial for predicting their properties and reactivity.
    • Crystal structure analysis provides precise details on molecular geometry, conformation, and intermolecular interactions in the solid state.

    Purpose of the Study:

    • To elucidate the detailed crystal structure of the title compound, C(11)H(13)NO(3).
    • To characterize the specific conformations of the amide and acid segments within the molecule.
    • To identify and describe the intermolecular interactions, specifically hydrogen bonding, that govern crystal packing.

    Main Methods:

    • Single-crystal X-ray diffraction was employed to determine the three-dimensional structure of the compound.
    • Analysis of bond orientations and dihedral angles was performed to define molecular conformations.
    • Identification of hydrogen bond donors and acceptors was carried out to understand crystal packing.

    Main Results:

    • The crystal structure of C(11)H(13)NO(3) was successfully determined.
    • Specific anti conformations were observed between N-H and C=O bonds in the amide, and between amide H and the meta-methyl group.
    • Anti conformations were also noted for amide oxygen and carbonyl oxygen relative to adjacent -CH(2) groups, while C=O and O-H bonds in the acid group adopted a syn conformation.
    • Infinite chains were formed through intermolecular N-H⋯O and O-H⋯O hydrogen bonds.

    Conclusions:

    • The crystal structure reveals distinct conformational preferences within the C(11)H(13)NO(3) molecule.
    • Intermolecular hydrogen bonding plays a significant role in organizing the molecules into extended chain structures in the crystal lattice.
    • The detailed structural information provides a foundation for further studies on the physical and chemical properties of this compound.