Examples of 'divalent group' in a sentence
Meaning of "divalent group"
divalent group: A divalent group refers to a chemical group or compound that contains two atoms or chemical bonds
How to use "divalent group" in a sentence
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divalent group
A is a bridge consisting of a divalent atom or a divalent group.
X represents a divalent group of general formula.
D is preferably selected from a substituted or unsubstituted aliphatic divalent group.
I can also be a divalent group such as sulfate or phosphate.
The two cyclopentadienyl groups can be linked by a divalent group.
Said divalent group is chosen for example from among.
The connection part of the structures may include a divalent group including a hetero atom.
V is a divalent group of formula and.
The ethenylene group represents the divalent group of formula,.
Is a divalent group.
The ethynylene group represents the divalent group of formula,.
An alkylene divalent group forms two bonds with other groups in an organic compound.
In another particular embodiment, the divalent hydrocarbon group is a divalent group of the formula,.
The connection to the divalent group may occur at adjacent positions or at distant positions.
Preferably, the linker I represents a divalent group.
See also
May be a divalent group of a cross-linked carbon ring.
The term " arylene " as used herein refers to a divalent group derived from an aromatic ring.
Alkylene group, a divalent group obtained by removing two hydrogen atoms from an alkane.
The polyamide according to claim 1, in which X is the divalent group of formula III.
For example, a divalent group corresponding to a phenyl group that is a monovalent group is phenylene.
According to one particularly advantageous mode of the invention, X represents a divalent group of formula II.
The above-described aralkylene is a divalent group formed by removing one hydrogen atom from the aralkyl.
Preferably, L represents a divalent group.
Each R ₂ is independently a divalent group such as an alkylene or an alkylidene group.
A sulfonated polymer according to claim 4, characterized in that said divalent group is chosen from among,.
R is a divalent group normally selected from substituted or unsubstituted hydrocarbon residues . STR2.
The term " alkylene " refers to a divalent group that is a radical of an alkane.
Is a divalent group that is resistant to hydrolysis at the Si-R4 bond ;.
The term " arylene " refers to a divalent group that is carbocyclic and aromatic.
Is a divalent group having from 6 to 22 carbon atoms containing at least one aromatic ring.
In the present invention, " heteroarylene group " means a divalent group derived from the above-described heteroaryl group.
Represents a divalent group having from 6 to 22 carbon atoms containing at least one alicyclic hydrocarbon structure.
And R ' 5 are independently selected from a direct bond and a divalent group of any of the formulae,.
Group Ar represents a divalent group comprising at least one optionally substituted carbon-containing aromatic cycle ;.
Preferably, the linker L2 represents a divalent group.
Represents a divalent group of formula II or III below,.
In particular embodiments, R1 is a non-heterocyclic divalent group.
R3 is a divalent group represented by formula:.
By way of preference, the linker L2 represents a divalent group.
X1 is a divalent group of formula IA ' wherein.
The polycarboxylic acid anhydride according to claim 1, wherein Rx is a divalent group represented by Formula ( 2 ),.
Preferably, R 1 represents a divalent group selected from one of the following aliphatic or aromatic divalent groups,.
Preferably, in the formula ( XIV ), X represents a divalent group of general formula.
The divalent group represented by R contains from 1 to 10 carbon atoms.
As used herein, a “ carbonyl ” group is a divalent group of the formula C ( O ).
The divalent group R 5 is an alkylene group or a group having the same definition as R 4 ; or.
Where G represents a divalent group of formula - Z-G ′ - in which.
The compound according to Claim 2, wherein X is the divalent group - O -.
A carbonyl group is the divalent group > C ═ O, which occurs in a wide range of chemical compounds.
The compound according to Claim 1, wherein the divalent group represented by V ₁ is - S -.
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