Related Experiment Video
Updated: Aug 9, 2026

13:19
Chemical Triphosphorylation of Oligonucleotides
Published on: June 2, 2022
Phospholipid synthesis: Oxazaphospholanes and dioxaphospholanes as intermediates
1Max-Planck-Institut für Biophysikalische Chemie, D-34 Göttingen, Postfach 968, Germany.
Summary
This study presents a novel, high-yield phospholipid synthesis method using cyclic intermediates. The efficient process converts diacylglycerols to pure phospholipids under mild conditions, suitable for large-scale production.
Area of Science:
- Organic Chemistry
- Biochemistry
- Synthetic Chemistry
Background:
- Phospholipids are crucial components of cell membranes.
- Existing synthesis methods can be complex and low-yield.
- A need exists for efficient and scalable phospholipid synthesis.
Purpose of the Study:
- To develop a novel, high-yield synthesis of phospholipids.
- To utilize cyclic intermediates for efficient conversion.
- To establish a scalable and chromatography-free method.
Main Methods:
- Reaction of 1,2-diacylglycerols with ethanolamine or ethylene glycol to form cyclic intermediates (oxazaphospholanes/dioxaphospholanes).
- Acidic hydrolysis of cyclic intermediates to yield various phospholipids.
- Amination of bromoethyl esters for specific phospholipid synthesis.
Main Results:
- Achieved almost quantitative conversion (>90%) of diacylglycerols to phospholipids.
- Produced high-purity phospholipids without by-products.
- Demonstrated synthesis of diverse phospholipids including phosphatidylethanolamines and phosphatidylcholines.
Conclusions:
- The described method offers an efficient, mild, and scalable route for phospholipid synthesis.
- The use of cyclic intermediates simplifies the process and enhances purity.
- This approach is advantageous for large-scale phospholipid production, avoiding chromatography.
Related Concept Videos
Synthesis of Phosphatidylcholine in the ER Membrane
The ER synthesizes lipids for building cell membranes and performing cellular functions such as energy storage and signaling. The lipid synthesis machinery embedded in the ER membrane primarily collects all reactants from the cytosol. Following synthesis, the secretory pathway and the ER contact sites distribute these lipids to other cellular organelles. Additionally, the energy-rich triacylglycerides are transported from the ER via lipid droplets.
The major components of all eukaryotic cell...
The major components of all eukaryotic cell...
Preparation of Epoxides
Overview
Epoxides result from alkene oxidation, which can be achieved by a) air, b) peroxy acids, c) hypochlorous acids, and d) halohydrin cyclization.
Epoxidation with Peroxy Acids
Epoxidation of alkenes via oxidation with peroxy acids involves the conversion of a carbon–carbon double bond to an epoxide using the oxidizing agent meta-chloroperoxybenzoic acid, commonly known as MCPBA. Since the O–O bond of peroxy acids is very weak, the addition of electrophilic oxygen of peroxy acids to...
Epoxides result from alkene oxidation, which can be achieved by a) air, b) peroxy acids, c) hypochlorous acids, and d) halohydrin cyclization.
Epoxidation with Peroxy Acids
Epoxidation of alkenes via oxidation with peroxy acids involves the conversion of a carbon–carbon double bond to an epoxide using the oxidizing agent meta-chloroperoxybenzoic acid, commonly known as MCPBA. Since the O–O bond of peroxy acids is very weak, the addition of electrophilic oxygen of peroxy acids to...
Phosphoinositides and PIPs
Phosphoinositides are a group of phospholipids containing a glycerol backbone with two fatty acid chains and a phosphate attached to a myoinositol sugar ring. The inositol head group extends into the cytoplasm, where it is modified by adding phosphate groups to form phosphatidylinositol phosphates or PIPs.
Different phosphoinositides are synthesized and recruited on the cytosolic face of the plasma membrane. The localization of specific phosphoinositides concentrated in separate membrane...
Different phosphoinositides are synthesized and recruited on the cytosolic face of the plasma membrane. The localization of specific phosphoinositides concentrated in separate membrane...
Aryldiazonium Salts to Azo Dyes: Diazo Coupling
The reaction of weakly electrophilic aryldiazonium (also called arenediazonium) salts with highly activated aromatic compounds leads to the formation of products with an —N=N— link, called an azo linkage. This reaction, presented in Figure 1, is known as diazo coupling and occurs without the loss of the nitrogen atoms of the aryldiazonium salt. Highly activated aromatic compounds such as phenols or arylamines favor the diazo coupling reaction. The coupling generally occurs at the para position.
Oxidation of Alkenes: Syn Dihydroxylation with Osmium Tetraoxide
Alkenes are converted to 1,2-diols or glycols through a process called dihydroxylation. It involves the addition of two hydroxyl groups across the double bond with two different stereochemical approaches, namely anti and syn. Dihydroxylation using osmium tetroxide progresses with syn stereochemistry.
Overview of Fatty Acid Metabolism
Lipids also are sources of energy that power cellular processes. Like carbohydrates, lipids are composed of carbon, hydrogen, and oxygen, but these atoms are arranged differently. Most lipids are nonpolar and hydrophobic. Major types include fats and oils, waxes, phospholipids, and steroids.
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
![Solid-phase Synthesis of [4.4] Spirocyclic Oximes](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F58508.jpg&w=3840&q=50)