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Depolarizing Blockers: Pharmocokinetics

Depolarizing blockers are administered through intravenous injection. Succinylcholine is the most common choice of depolarizing blockers in emergency clinical practices. Although they have a rapid onset, they readily diffuse away from the motor end plate into the extracellular fluid. They are metabolized by enzymes such as liver butyrylcholinesterase and plasma pseudocholinesterases. This produces a short duration of action, typically 5-10 minutes long, unlike nondepolarizing blockers, which...
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Structure and Nomenclature of Thiols and Sulfides

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Crystal structure and Hirshfeld surface analysis of (<i>E</i>)-<i>N</i>'-benzyl-idene-4-chloro-benzene-sulfono-hydrazide and of its (<i>E</i>)-4-chloro-<i>N</i>'-(<i>ortho</i>- and <i>para</i>-methyl-benzyl-idene)benzene-sulfono-hydrazide derivatives.

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Related Experiment Video

Updated: Jun 1, 2026

Microwave-assisted One-pot Synthesis of N-succinimidyl-4-[18F]fluorobenzoate ([18F]SFB)
08:33

Microwave-assisted One-pot Synthesis of N-succinimidyl-4-[18F]fluorobenzoate ([18F]SFB)

Published on: June 28, 2011

N-(3-Chloro-phen-yl)succinamic acid.

B Thimme Gowda, Sabine Foro, B S Saraswathi

    Acta Crystallographica. Section E, Structure Reports Online
    |May 18, 2011
    PubMed
    Summary

    The crystal structure of C(10)H(10)ClNO(3) reveals trans N-H and C=O bonds within the amide group. Molecules form infinite chains via intermolecular hydrogen bonds, specifically N-H⋯O and O-H⋯O interactions.

    Area of Science:

    • Crystallography
    • Molecular Chemistry
    • Solid-State Chemistry

    Background:

    • Understanding molecular arrangements in the solid state is crucial for predicting material properties.
    • Amide groups are fundamental functional groups in organic chemistry and biochemistry.
    • Hydrogen bonding plays a significant role in molecular self-assembly and crystal engineering.

    Purpose of the Study:

    • To elucidate the crystal structure of the title compound, C(10)H(10)ClNO(3).
    • To investigate the conformational preferences of the amide segment.
    • To characterize the intermolecular interactions driving crystal packing.

    Main Methods:

    • Single-crystal X-ray diffraction was employed to determine the three-dimensional molecular structure.
    • Analysis of bond lengths, bond angles, and intermolecular contacts was performed.

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    Microwave-assisted One-pot Synthesis of N-succinimidyl-4-[18F]fluorobenzoate ([18F]SFB)
    08:33

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    Published on: June 28, 2011

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  • Hydrogen bond analysis identified specific donor-acceptor interactions.

    • Main Results:

    • The crystal structure of C(10)H(10)ClNO(3) was successfully determined.
    • The amide moiety exhibits a trans conformation between the N-H and C=O bonds.
    • Infinite chains are formed through a network of intermolecular N-H⋯O and O-H⋯O hydrogen bonds.

    Conclusions:

    • The study provides detailed structural insights into C(10)H(10)ClNO(3).
    • The observed trans amide conformation is a key structural feature.
    • Intermolecular hydrogen bonding is the primary driving force for the formation of 1D chains in the crystal lattice.