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Файл:Ординатура / Хирургия / Библиотека им академика М.И. Перельмана / Книга_5733_Библиотеки_им_академика_М_И_Перельмана
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interpreting the NMR spectrum, the chemical structure of dipipanone and
any impurities can be identified and quantified.
Gas Chromatography (GC): GC can be used to separate and quantify the
components of a mixture based on their volatility and interaction with a
stationary phase. Dipipanone can be derivatized to improve volatility
before GC analysis, allowing for sensitive detection and quantification.
High-Performance Liquid Chromatography (HPLC): HPLC is a powerful
technique for separating, identifying, and quantifying compounds in a
mixture. It can be used for the analysis of dipipanone in pharmaceutical
formulations or biological samples.
Mass Spectrometry (MS): MS can be coupled with chromatographic
techniques like HPLC or GC for identification and quantification of
dipipanone. MS provides information about the molecular weight and
fragmentation pattern of dipipanone, aiding in its identification and
characterization.
Thin-Layer Chromatography (TLC): TLC is a simple and cost-effective
technique for the separation and identification of compounds in a mixture.
Dipipanone and its impurities can be separated on a TLC plate and
visualized using appropriate detection methods.
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DROTEBANOL
IUPAC Name: 3,4-Dimethoxy-17-methylmorphinan-6β,14-diol
Molecular Structure:
Physical Properties:
Appearance: Minute crystals
Color: White
Odor: Slightly bitter
Taste: Slightly bitter
Melting Point: 165.5-166.5°C
Boiling Point: Decomposes before boiling
Other solvents: Soluble in acetone, benzene, toluene, very slightly soluble
in ether
Molar Mass: 333.42 g/mol
Solubility:
Water: Slightly soluble
Alcohol: Freely soluble
Chemical Properties:
Chemical Formula: C₁₈H₂₁NO₄
Chemical Classification: Opioid agonist (morphinan derivative)
Functional Groups:
Two methoxy groups (-OCH₃)
Two hydroxyl groups (-OH)
One tertiary amine (N)
How it is Made or From Where it is Obtained: Drotebanol is synthesized from
thebaine, an opioid alkaloid found in opium poppies. The synthesis process
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involves multiple chemical reactions, including methylation and hydrolysis.
Production is currently limited due to its discontinued use in medicine.
Route of Administration: Drotebanol was previously administered orally in the
form of tablets or capsules. Other routes, such as injection or inhalation, were
never widely used due to potential risks and limited advantages.
Pharmacological Action:
Antitussive: Drotebanol is a potent cough suppressant, acting on the cough
center in the brain stem. It was estimated to be approximately 10 times
more potent than codeine in this effect.
Analgesic: Drotebanol has analgesic (pain-relieving) properties, but its
potency is weaker than morphine and comparable to codeine.
Other Effects: Drotebanol can cause drowsiness, dizziness, nausea,
constipation, and other opioid-like side effects.
Analysis Methods:
Physical method
Appearance and Color: Visual inspection of the physical appearance and
color of drotebanol can provide initial clues. It typically appears as a white
to off-white crystalline powder or solid.
Melting Point Determination: Drotebanol has a characteristic melting
point range (if available). Melting point determination can help confirm its
identity as it melts at a specific temperature distinct from other
substances.
Solubility Tests: Testing the solubility of drotebanol in various solvents
(such as water, ethanol, or chloroform) can further characterize it. This
can include determining whether it is freely soluble, sparingly soluble, or
insoluble in different solvents.
Crystal Form: Examination under a microscope to observe the crystal
structure of drotebanol can be another method of physical analysis. This
can provide additional confirmation of its identity based on characteristic
crystal habits.
Density and Specific Gravity: Measuring the density or specific gravity of
drotebanol can provide additional physical data for identification
purposes.
Optical Rotation: Drotebanol may exhibit optical activity, so measuring its
optical rotation using a polarimeter can provide additional physical
characterization.
Chemical method
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1. Chromatography Techniques:
High-Performance Liquid Chromatography (HPLC): HPLC separates
drotebanol from other compounds based on their interactions with a
stationary phase and a mobile phase. Detection can be achieved using UV-
Vis detection or mass spectrometric detection (HPLC-MS), providing high
specificity and sensitivity.
Gas Chromatography (GC): GC separates volatile compounds like
drotebanol based on their volatility. When coupled with a detector such as
mass spectrometry (GC-MS), it can identify and quantify drotebanol in
complex mixtures.
2. Spectroscopic Methods:
Infrared Spectroscopy (IR): IR spectroscopy identifies functional groups
present in drotebanol by measuring the absorption of infrared light. This
method can confirm the presence of characteristic functional groups such
as hydroxyl and aromatic groups.
Nuclear Magnetic Resonance (NMR): NMR spectroscopy provides detailed
structural information about drotebanol by analyzing the nuclear spins of
atoms within the molecule. It can confirm the connectivity of atoms and
the presence of specific functional groups.
3. Mass Spectrometry (MS):
Electrospray Ionization Mass Spectrometry (ESI-MS): ESI-MS ionizes
drotebanol molecules and detects ions based on their mass-to-charge ratio
(m/z). This method is highly sensitive and specific for identifying and
quantifying drotebanol in complex samples.
4. Colorimetric Methods:
Specific colorimetric assays may be developed for drotebanol, where the
compound reacts with specific reagents to produce a color change or
measurable absorbance, allowing for qualitative or quantitative analysis.
5. Microscopy and Crystallography:
Microscopic examination and crystallography can provide additional
physical and structural information about drotebanol, aiding in its
identification and characterization.
6. Immunoassays:
Enzyme-linked immunosorbent assays (ELISA) or other immunoassay
techniques can potentially be adapted for the detection of drotebanol in
biological fluids or forensic samples, depending on the availability of
specific antibodies.
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ECGONINE
IUPAC Name:-
3β-Hydroxytropane-2β-carboxylic acid
Molecular Structure:
Physical Properties:
Appearance: White crystalline powder
Color: Odorless
Taste: Bitter
Melting point: 196-198 °C
Boiling point: Decomposes before boiling
Molar mass: 185.22 g/mol
Solubility:
Water: Soluble (5 g/100 mL at 25 °C)
Alcohol: Very soluble
Chemical Properties:
Chemical formula: C9H15NO3
Chemical classification: Tropane alkaloid
Functional groups: Ester, alcohol, amine
How it is Made or From Where it is Obtained: Extracted from coca leaves.
Route of Administration: Not for human use due to potential conversion to
cocaine.
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Pharmacological Action: Weak stimulant and local anesthetic (much weaker than
cocaine). May have some potential for treating addiction and cognitive disorders,
but research is ongoing.
Analysis Methods:
Physical method
Appearance and Color: Visual inspection of the physical appearance and
color of ecgonine can provide initial clues. It typically appears as a white
crystalline powder.
Melting Point Determination: Ecgonine has a characteristic melting point
range (if available). Melting point determination can help confirm its
identity and purity, as it melts at a specific temperature distinct from
other substances.
Solubility Tests: Testing the solubility of ecgonine in various solvents
(such as water, ethanol, or chloroform) can further characterize it.
Ecgonine is sparingly soluble in water but more soluble in organic
solvents.
Crystal Form: Examination under a microscope to observe the crystal
structure of ecgonine can be another method of physical analysis. This can
provide additional confirmation of its identity based on characteristic
crystal habits.
Density and Specific Gravity: Measuring the density or specific gravity of
ecgonine can provide additional physical data for identification purposes.
Optical Rotation: Ecgonine exhibits optical activity, so measuring its
optical rotation using a polarimeter can provide additional physical
characterization.
Chemical method:
1. Chromatography Techniques:
High-Performance Liquid Chromatography (HPLC): HPLC separates
ecgonine from other compounds based on their interactions with a
stationary phase and a mobile phase. Detection can be achieved using UV-
Vis detection or mass spectrometric detection (HPLC-MS), providing high
specificity and sensitivity.
Gas Chromatography (GC): GC separates volatile compounds like ecgonine
based on their volatility. When coupled with a detector such as mass
spectrometry (GC-MS), it can identify and quantify ecgonine in complex
mixtures.
2. Spectroscopic Methods:
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Infrared Spectroscopy (IR): IR spectroscopy identifies functional groups
present in ecgonine by measuring the absorption of infrared light. This
method can confirm the presence of characteristic functional groups such
as amine and carboxyl groups.
Nuclear Magnetic Resonance (NMR): NMR spectroscopy provides detailed
structural information about ecgonine by analyzing the nuclear spins of
atoms within the molecule. It can confirm the connectivity of atoms and
the presence of specific functional groups.
3. Mass Spectrometry (MS):
Electrospray Ionization Mass Spectrometry (ESI-MS)**: ESI-MS ionizes
ecgonine molecules and detects ions based on their mass-to-charge ratio
(m/z). This method is highly sensitive and specific for identifying and
quantifying ecgonine in complex samples.
4. Colorimetric Methods:
Specific colorimetric assays may be developed for ecgonine, where the
compound reacts with specific reagents to produce a color change or
measurable absorbance, allowing for qualitative or quantitative analysis.
5. Microscopy and Crystallography:
Microscopic examination and crystallography can provide additional
physical and structural information about ecgonine, aiding in its
identification and characterization.
6. Immunoassays:
Enzyme-linked immunosorbent assays (ELISA) or other immunoassay
techniques can be adapted for the detection of ecgonine in biological fluids
or forensic samples, depending on the availability of specific antibodies.
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ETHYLMETHYLTHIAMBUTENE
IUPAC name: N-ethyl-N-methyl-4,4-dithiophen-2-yl-but-3-en-2-amine.
Molecular structure:
Physical properties:
Appearance: Typically a white to off-white crystalline powder.
Color: White to off-white.
Odor: Generally odorless.
Solubility in water: Limited solubility.
Solubility in alcohol: Soluble.
Molar mass: Not readily available.
Chemical properties:
Chemical formula: Not readily available.
Chemical classification: It belongs to the class of synthetic opioids.
Functional group: Contains ethyl, methyl, and thiambutene groups.
How it is made or from where it is obtained: Ethylmethylthiambutene is a
synthetic compound and is not naturally occurring. Its synthesis likely involves the
combination of various precursor chemicals under controlled laboratory
conditions.
Route of administration: Typically administered orally in tablet or capsule form,
though it may also be administered via injection.
Pharmacological action: Ethylmethylthiambutene acts as a potent analgesic by
binding to opioid receptors in the central nervous system, resulting in pain relief
and potential euphoria.
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Analysis Methods:
Physical Method:
Appearance and Color: Visual inspection of the physical appearance and
color of EMTB can provide initial clues. It typically appears as a solid, often
in powder form, and its color can vary depending on its purity and form.
Melting Point Determination: EMTB has a characteristic melting point
range (if available). Melting point determination can help confirm its
identity and distinguish it from other substances with different melting
points.
Solubility Tests: Testing the solubility of EMTB in various solvents (such
as water, ethanol, chloroform, etc.) can further characterize it. Solubility
can vary depending on the form of EMTB (e.g., free base vs. salt forms).
Crystal Form: Examination under a microscope to observe the crystal
structure of EMTB can provide additional information. This can include
the shape and structure of the crystals, which can be characteristic and aid
in identification.
Density and Specific Gravity: Measuring the density or specific gravity of
EMTB can provide additional physical data. These measurements can be
compared with known values to confirm the substance's identity.
X-ray Powder Diffraction (XRD): XRD can be used to analyze the crystal
structure of EMTB, providing information about its molecular
arrangement in the solid state. This method can help distinguish different
polymorphs or forms of EMTB.
Chemical Method:
1. Chromatography Techniques:
High-Performance Liquid Chromatography (HPLC): HPLC separates EMTB
from other compounds based on differences in their interactions with a
stationary phase and a mobile phase. Detection can be achieved using UV-
Vis detection or mass spectrometric detection (HPLC-MS), providing high
specificity and sensitivity.
Gas Chromatography (GC): GC separates volatile compounds like EMTB
based on their volatility. When coupled with a detector such as mass
spectrometry (GC-MS), it can identify and quantify EMTB in complex
mixtures.
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2. Spectroscopic Methods:
Infrared Spectroscopy (IR): IR spectroscopy identifies functional groups
present in EMTB by measuring the absorption of infrared light. This
method can confirm the presence of characteristic functional groups such
as thiol and aromatic groups.
Nuclear Magnetic Resonance (NMR): NMR spectroscopy provides detailed
structural information about EMTB by analyzing the nuclear spins of
atoms within the molecule. It can confirm the connectivity of atoms and
the presence of specific functional groups.
3. Mass Spectrometry (MS):
Electrospray Ionization Mass Spectrometry (ESI-MS): ESI-MS ionizes
EMTB molecules and detects ions based on their mass-to-charge ratio
(m/z). This method is highly sensitive and specific for identifying and
quantifying EMTB in complex samples.
4. Colorimetric Methods:
Specific colorimetric assays may be developed for EMTB, where the
compound reacts with specific reagents toh produce a color change or
measurable absorbance, allowing for qualitative or quantitative analysis.
5. Microscopy and Crystallography:
Microscopic examination and crystallography can provide additional
physical and structural information about EMTB, aiding in its
identification and characterization.
6. Immunoassays:
Enzyme-linked immunosorbent assays (ELISA) or other immunoassay
techniques can be adapted for the detection of EMTB in biological fluids or
forensic samples, depending on the availability of specific antibodies.
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