• 1. 398. The use of nitro- and halogeno-ketones in the synthesis of pteridines, including pteroic acid, from 2 : 4 : 5-triamino-6-hydroxypyrimidine
  F. E. King,P. C. Spensley J. Chem. Soc. 1952 2144
• 2. Electrophilic aromatic reactivities via pyrolysis of esters. Part 21. σ+ Values for thiazole: the high polarisability of thiazole, and the effect of hydrogen bonding on the reactivity of N-containing heterocycles
  Ryan August,Carole Davis,Roger Taylor J. Chem. Soc. Perkin Trans. 2 1986 1265

• Solvents and Organic Chemicals Organic Compounds Organic oxygen compounds Organooxygen compounds Ketones
• Solvents and Organic Chemicals Organic Compounds Organic oxygen compounds Organooxygen compounds Carbonyl compounds Ketones

1,1,3-Tribromoacetone (CAS No. 3475-39-6): A Comprehensive Overview

1,1,3-Tribromoacetone (CAS No. 3475-39-6) is a versatile organic compound with a molecular formula of C₃H₄Br₃. This compound has gained significant attention in the fields of organic synthesis, pharmaceutical research, and materials science due to its unique chemical properties and potential applications. In this comprehensive overview, we will delve into the structure, synthesis, reactivity, and applications of 1,1,3-tribromoacetone, supported by the latest research findings.

Structure and Physical Properties:

1,1,3-Tribromoacetone is a colorless liquid with a molecular weight of 280.75 g/mol. Its structure consists of a ketone group (C=O) flanked by three bromine atoms attached to the carbon atoms of the acetone backbone. The presence of these bromine atoms significantly influences the physical and chemical properties of the compound. For instance, the high electronegativity of bromine atoms results in a polar molecule with a boiling point of 180°C and a melting point of -45°C. The compound is also soluble in common organic solvents such as ethanol, acetone, and dichloromethane.

Synthesis:

The synthesis of 1,1,3-tribromoacetone can be achieved through various methods. One common approach involves the bromination of acetone using bromine or N-bromosuccinimide (NBS) in the presence of an acid catalyst such as sulfuric acid or hydrobromic acid. This reaction proceeds via an electrophilic addition mechanism where the bromine atoms are sequentially added to the carbonyl carbon and the adjacent carbon atoms. The reaction conditions can be fine-tuned to achieve high yields and selectivity.

Reactivity:

1,1,3-Tribromoacetone exhibits a wide range of reactivity due to its unique structure. The presence of multiple bromine atoms makes it an excellent electrophile in nucleophilic substitution reactions. For example, it can react with various nucleophiles such as alcohols, amines, and thiols to form corresponding substitution products. Additionally, the ketone group can participate in condensation reactions with carbonyl compounds to form cyclic structures such as β-keto esters and β-keto amides.

Applications in Organic Synthesis:

1,1,3-Tribromoacetone has found extensive use in organic synthesis as a versatile building block for the preparation of complex molecules. Its ability to undergo selective transformations makes it valuable in the synthesis of natural products and pharmaceutical intermediates. Recent studies have highlighted its utility in the synthesis of bioactive compounds such as antitumor agents and antiviral drugs. For instance, researchers at the University of California have utilized 1,1,3-tribromoacetone in the synthesis of novel antitumor agents with improved efficacy and reduced toxicity.

Pharmaceutical Research:

In pharmaceutical research, 1,1,3-tribromoacetone has been explored for its potential as a prodrug precursor. Prodrugs are biologically inactive compounds that are converted into active drugs within the body through metabolic processes. The bromine atoms in 1,1,3-tribromoacetone can be selectively cleaved under physiological conditions to release active drug molecules. This approach has been shown to enhance drug delivery and reduce side effects associated with conventional drug formulations.

Mechanistic Studies:

Mechanistic studies on the reactivity of 1,1,3-tribromoacetone have provided valuable insights into its reaction pathways and intermediates. Researchers at Harvard University have used computational methods to model the reaction mechanisms involving this compound. Their findings suggest that the reactivity is influenced by both steric and electronic factors, with the bromine atoms playing a crucial role in stabilizing transition states and intermediates.

Safety Considerations:

Safety is a critical aspect when handling any chemical compound. While 1,1,3-tribromoacetone strong > is not classified as a hazardous material under current regulations , it is important to follow standard laboratory safety protocols when working with this compound . Proper personal protective equipment (PPE) , including gloves , goggles , and lab coats , should be worn at all times . Additionally , fume hoods should be used to minimize exposure to vapors . Proper disposal methods should also be followed to ensure environmental safety . p > < p >< strong >Conclusion: strong > p > < p >< strong >1 , 1 , 3 - Tribromoacetone strong > (CAS No .< strong > 3475 - 39 - 6 strong >) is a multifaceted compound with significant potential in various scientific disciplines . Its unique structure and reactivity make it an invaluable tool in organic synthesis , pharmaceutical research , and materials science . Ongoing research continues to uncover new applications and improve our understanding of this fascinating compound . As we move forward , it is essential to balance scientific innovation with safety considerations to ensure responsible use . p > article > response >

• 22612-89-1(1,1,3,3-Tetrabromoacetone)
• 62874-50-4(2-Propanone, 1,1,1,3-tetrabromo-)
• 23162-64-3(1,1,1,3,3,3-Hexabromoacetone)
• 79-49-2(propanone, pentabromo-)
• 80164-99-4(2-Propanone, tribromo-)
• 867-54-9(1,1-dibromoacetone)
• 3770-98-7(1,1,1-Tribromoacetone)
• 332062-08-5(Fmoc-S-3-amino-4,4-diphenyl-butyric acid)
• 1270529-38-8(1,2,3,4,5,6-Hexahydro-[2,3]bipyridinyl-6-ol)
• 2680771-01-9(4-cyclopentyl-3-{(prop-2-en-1-yloxy)carbonylamino}butanoic acid)