"Nucleophile" Pronounce,Meaning And Examples
"Nucleophile" Natural Recordings by Native Speakers
"Nucleophile" Meaning
A nucleophile is a chemical species that is attracted to and bonds with the nucleus of an atom, typically a positively charged center such as a metal or a proton. Nucleophiles are often negatively charged ions, but can also be neutral molecules that are rich in electrons and have a high electro-negativity. In a reaction, a nucleophile will typically donate electrons to an electrophile, which is a chemical species that is attracted to and bonds with electrons.
"Nucleophile" Examples
Nucleophile
A substance that is capable of donating an electron pair to form a covalent bond with a substance that has a partially positive charge.
Examples:
In a chemical reaction, the hydroxide ion (OH-) is a strong nucleophile and reacts with an alkyl halide to form an ether:
+ ROX + OH- → ROOR
In the preparation of amides, a nucleophile such as hydroxide (OH-) or an alkoxide (R-O-) is used to react with an acid halide:
+ RCOCl + OH- → RC(O)NH2
Nucleophiles can also be used to prepare esters:
+ RCOOH + OH- → RC(O)OR
In biological systems, nucleophiles such as glutathione can react with electrophiles such as epoxides to form conjugates:
+ RCH(OH)CH(OH)CH2SH + RCHCHOH → RCH(OH)CH(OH)CH2SH-R-CH(OH)CH(OH)
In organic synthesis, nucleophiles can be used to prepare a variety of compounds, such as alcohols, amines, and sulfides.
"Nucleophile" Similar Words
Nucleole
Nucleoli
Nucleoli (singular: nucleolus) are small granular regions within the nucleus of eukaryotic cells where ribosome synthesis occurs.
Nucleolus
Nucleolysis
Nucleolysis is the process of breaking down or disrupting the nucleus of a cell, often occurring as a result of injury, infection, or cellular stress. This can lead to cell death or the release of genetic material, such as DNA, into the surrounding environment. Nucleolysis is often used in scientific research, particularly in the fields of cellular biology, pharmacology, and medicine, to understand the mechanisms of cellular damage and to develop new treatments for diseases.
Nucleolytic
Nucleolytic refers to the ability to break or split nucleic acids, such as DNA or RNA, into smaller fragments. This can be achieved through the action of enzymes, chemicals, or other molecules that specifically target and degrade the phosphodiester bonds holding the nucleotides together.
Nucleon
Nucleons
Nucleophil
Nucleophiles
Nucleophiles are chemical species that are capable of donating a pair of electrons to form a new bond with an electrophile. The term "nucleophile" comes from the Greek words "nucleos," meaning nucleus, and "phile," meaning loving or seeking. Nucleophiles are typically atoms or groups of atoms with a negative or partial negative charge, such as chloride ions (Cl-), bromide ions (Br-), or hydroxide ions (OH-).<br><br>In a chemical reaction, a nucleophile attacks an electrophile by forming a new bond, often displacing a leaving group. This process is known as nucleophilic attack. Nucleophiles are commonly found in organic chemistry, where they play a crucial role in many chemical reactions, such as substitution, elimination, and addition reactions.<br><br>Some common examples of nucleophiles include:<br><br> Hydroxide ions (OH-)<br> Chloride ions (Cl-)<br> Ammonia (NH3)<br> Water (H2O)<br> Alkoxides (e.g., methoxide, CH3O-)<br> Amines (e.g., trimethylamine, N(CH3)3)<br><br>Nucleophiles are important in many biological processes, such as enzyme-catalyzed reactions, and are also used in organic synthesis to form new bonds and create complex molecules.
Nucleophilic
Nucleophilicity
Nucleoplasm
Nucleoplasmic
Nucleoplasmic refers to the fluid substance found within the nucleus of a cell, which surrounds and contains the chromosomes. It is a component of the nuclear compartment and plays a role in maintaining the structural integrity and proper functioning of the nucleus.
Nucleoplasty
Nucleoplasty is a minimally invasive surgical procedure used to treat discogenic pain in the spine. It involves the removal of the damaged or painful nucleus pulposus, which is the soft, gel-like center of an intervertebral disc. A device called a nucleotome is inserted through a small incision in the back and used to break up and remove the nucleus pulposus. This can help to relieve pressure on nearby nerve roots and reduce pain and inflammation in the affected area.
Nucleoporin
Nucleoporins
Nucleoporins are a group of proteins that form a mesh-like structure, known as the nuclear pore complex, which allows for the transport of molecules, such as proteins and RNAs, between the nucleus and the cytoplasm of eukaryotic cells. Nucleoporins play a crucial role in regulating the exchange of materials between the nucleus and the cytoplasm, and are essential for maintaining the proper function of the cell.