Examples of 'meta position' in a sentence
Meaning of "meta position"
meta position: In the context of a job or organization, 'meta position' can refer to a role that oversees or manages other positions or departments. It often involves a higher level of responsibility and decision-making that impacts the overall functioning of the organization
How to use "meta position" in a sentence
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meta position
Substituents at the meta position influence regioselectivity.
In a preferred embodiment the dialkylaminoalkyl group is in the meta position.
Aromatic meta position.
This amino group will preferably be located in the para or meta position.
Preferably they are in the meta position with respect to one another.
Chromatographic and mass spectrometric techniques indicated that the dehydroxylation occurred at the meta position.
The preferred structures are substituted in the meta position on the aromatic ring.
Either at the meta position by the NH2, NO2 radical, a halogen atom, particularly chlorine ;.
More preferably, binding is made at meta position.
The substituent is conveniently in the meta position or more conveniently in the para position.
R1 may substitute preferably at para or meta position.
The thiazolyl group is preferably in the meta position with respect to the sulfonamide group.
The most preferred orientation for nitro, methoxy and trifluoromethyl substituents is in the meta position.
The macromolecule structure contains all meta position type aromatic amido molecular bonds and sulphone groups.
Thus, they only weakly activate the ring and do not strongly disfavor the meta position.
See also
An OH group in the meta position failed to promote this reaction.
In one embodiment R2a is located in the meta position.
And / or in the ortho or meta position by an alkyl group, and.
A process according to any preceding claim, wherein Y is in the meta position.
The substituents are preferably at a meta position and / or a para position.
Most preferably R1 is phenyl substituted by a chlorine atom located in the meta position.
And / or in the ortho or meta position with an alkyl group, and.
Or a piperazino group and an aromatic ring substituted at the meta position by CF3.
Preferably, R 2 and / or R 3 are in the meta position relative to the diazo function.
Most preferably R1 represents phenyl substituted by a chlorine atom located in the meta position.
Preferably the substituent R10 is at the meta position of the phenyl ring.
Both HP and RL COMT preparations O-methylate the catecholamines primarily in the meta position.
In another embodiment, the substituent Y is in the meta position of the A ring.
The letters “ p, m ” indicate that the phenyl radical is substituted at para and meta position.
Represents a phenyl group substituted in the meta position with Br, Cl, CF3 or CN ;.
The nitrogen functionality of R3 must be in the meta position.
Preferably, R 2 is in meta position.
More preferably, X is substituted arylamino containing substituent at the meta position.
Either a piperazino group and a benzenic ring substituted at the meta position by a CF3 group ;.
In preferred embodiments of the invention, Y is in the meta position.
The compound of claim 8 wherein R6 is at the meta position of Ar.
Use of claim 1, wherein said dialkylaminoalkyl group is in the meta position.
In some embodiments, R1 is in the meta position.
Use of a compound according to claim 1, wherein X is in the meta position.
Preferably, R6 is in the para or meta position.
A compound as defined in clause 1, wherein one R2 substituent is in the meta position.
The other R3 group need not be in the meta position.
When R1 is a substituted phenyl radical, the substituent R4 is preferably in the meta position.
Advantageously, the group R 1 is in meta position.
A process according to any of claims 22 to 32, wherein Y is in the meta position.
Preferably R2 will represent a halogen atom, such as bromine, preferably in the meta position relatively to R3.
The compound according to claim 1, wherein R 1 is in meta position.
In some embodiments, R4 is in an ortho or meta position.
In another embodiment, m is 1 and X is F in the meta position.
Use according to Claim 8, wherein X is in the meta position.
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