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Reaction intermediate

In chemistry, a reaction intermediate, or intermediate, is a molecular entity arising within the sequence of a stepwise chemical reaction. It is formed as the reaction product of an elementary step, from the reactants and/or preceding intermediates, but is consumed in a later step. It does not appear in the chemical equation for the overall reaction. For…

Products, Common reactive intermediates & Biological intermediates

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Common reactive intermediates

Concentration Lewis octet rule Chemical decomposition Chemical compound Spectroscopic

31 related topics

Biological intermediates

Cell damage Reaction pathways Bacteria Β-lactam antibiotics Penicillin

10 related topics

IUPAC definition

Gold Book Lifetime Molecular vibration Transition states Reaction rates

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Overview

Chemistry Molecular entity Stepwise chemical reaction Elementary step Reactants

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Topics to explore

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Overview

Chemistry
Molecular entity
Stepwise chemical reaction Stepwise reaction
Elementary step
Reactants
IUPAC
Species Chemical species
Chemical reaction
Matrix isolation
Spectroscopic

IUPAC definition

Gold Book
Lifetime Mean lifetime
Molecular vibration
Transition states Transition state
Reaction rates Reaction rate

Common reactive intermediates

Concentration
Lewis octet rule Octet rule
Chemical decomposition
Chemical compound
Spectroscopic Spectroscopy
Cage effects Cage effect (chemistry)
Conjugation Conjugated system
Resonance Resonance structure
Chemical trapping Chemical trap
Cations
Carbocations Carbocation
Electrophilic addition
Alkenes Alkene
SN1 SN1 reaction
E1 E1 elimination
Pi bond
Nucleophile
Proton
Halogen
Atom
Carbanion Carboanion
Radicals Radical (chemistry)
Carbenoid
Ion-neutral complex
Keto anions Enol
Nitrenes Nitrene
Oxocarbenium
Phosphinidenes
Phosphoryl nitride
Tetrahedral intermediates Tetrahedral intermediate

Biological intermediates

Cell damage Cellular damage
Reaction pathways Biological pathway
Bacteria
Β-lactam antibiotics Β-Lactam antibiotic
Penicillin
Degenerative disease
Cancer
Nucleotide
Glycosidic bonds Glycosidic bond
Methanolysis

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Reaction intermediate

Nodes61

Edges60

Triples18

Avg. degree1.97

Density0.032787

Components1

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Reaction intermediate

Top relations

related to Biological intermediates · 8

Reaction intermediate → AAA-ATPase, ADP, Another, For, In, Investigation, Pi, Spectroscopy

related to Carbanions · 3

Reaction intermediate → Carboanions, CHC, The

Important terminology Word statistics

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Important terminology

reaction intermediates intermediate reactive chemical example carbon molecular product often molecule overall also radicals found formed stable elementary cases isolation

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
a longer carbon chain or an alkyl halide.Other reactive intermediatesCarbenoidIon-neutral complexKeto anionsNitrenesOxocarbenium ionsPhosphinidenesPhosphoryl nitrideTetrahedral intermediates in carbonyl addition reactions CarbocationsCations	instance of	can react with non-radical molecule to continue propagation or react with another radical to form a new stable molecule	0.80	text
often carbocations	instance of	can react with non-radical molecule to continue propagation or react with another radical to form a new stable molecule	0.80	text
serve as intermediates in electrophilic addition to alkenes	instance of	can react with non-radical molecule to continue propagation or react with another radical to form a new stable molecule	0.80	text
SN1 substitutions	instance of	can react with non-radical molecule to continue propagation or react with another radical to form a new stable molecule	0.80	text
and E1 eliminations	instance of	can react with non-radical molecule to continue propagation or react with another radical to form a new stable molecule	0.80	text
a longer carbon chain or an alkyl halide	instance of	can react with non-radical molecule to continue propagation or react with another radical to form a new stable molecule	0.80	text
penicillin through the enzyme metallo-β-lactamase	instance of	bacteria acquire resistance to β-lactam antibiotics	0.80	text
Reaction intermediate	related to Biological intermediates	In	0.60	section
Reaction intermediate	related to Biological intermediates	Investigation	0.60	section
Reaction intermediate	related to Biological intermediates	For	0.60	section
Reaction intermediate	related to Biological intermediates	Spectroscopy	0.60	section
Reaction intermediate	related to Biological intermediates	Another	0.60	section

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