Examples of 'difluoromethoxy' in a sentence
Meaning of "difluoromethoxy"
Difluoromethoxy is a chemical compound containing fluorine and oxygen elements, often used in pharmaceutical and organic synthesis
How to use "difluoromethoxy" in a sentence
Basic
Advanced
difluoromethoxy
Specific examples are difluoromethoxy and trifluoromethoxy.
Exemplary haloalkyl groups include trifluoromethoxy and difluoromethoxy.
Specific groups are difluoromethoxy and trifluoromethoxy.
Difluoromethoxy groups are most preferred.
Most preferred is the difluoromethoxy group.
Suitable examples of particular substituents on the moiety Y include difluoromethoxy.
Examples of haloalkoxy groups include difluoromethoxy and trifluoromethoxy.
Typical examples of particular substituents on the moiety Y include difluoromethoxy.
Examples of such groups include difluoromethoxy or trifluoromethoxy and the like.
Typical examples of optional substituents on the moiety Y include difluoromethoxy.
Examples of such groups include fluoroethyloxy, difluoromethoxy or trifluoromethoxy and the like.
Suitable examples of optional substituents on the moiety Y include difluoromethoxy.
The fluoromethoxy, difluoromethoxy and trifluoromethoxy groups are most preferred, especially the trifluoromethoxy group.
An exemplary haloalkoxy is difluoromethoxy.
Is methylthio or difluoromethoxy ( and especially difluoromethoxy ) ; or.
See also
Examples of haloalkoxy groups are trifluoromethoxy, difluoromethoxy and trichloromethoxy.
Is fluoro, difluoromethoxy or trifluoromethoxy, preferably fluoro.
Particularly preferred examples are methoxy, ethoxy, fluoromethoxy and difluoromethoxy groups.
R3 is methoxy, difluoromethoxy or trifluoromethoxy, in particular methoxy ; and.
Another reagent is trimethyliodosilane, which is especially useful in the presence of difluoromethoxy groups.
Represents difluoromethoxy ; and represents hydrogen, fluoro, chloro, cyano, methyl, trifluoromethyl, difluoromethoxy or amino.
Typically haloalkyl, haloalkoxy and haloalkylthio groups are trifluoromethyl, trifluoromethoxy, difluoromethoxy and trifluoromethylthio groups.
Difluoromethoxy or trifluoromethoxy ; most preferably R13B is hydrogen ;.
Particularly preferred examples of the halogenoalkoxy group include fluoromethoxy group, difluoromethoxy group and trifluoromethoxy group.
Is methyl ; R3 is methoxy, difluoromethoxy or trifluoromethoxy, in particular methoxy ; and.
Preferably R ₁ represents a chlorine atom or a trifluoromethyl, difluoromethoxy or methoxycarbonyl group.
Is hydrogen ; R3 is methoxy, difluoromethoxy or trifluoromethoxy, in particular methoxy ; and.
Typical examples of particular substituents on the moiety Y include chloro, methyl and difluoromethoxy.
A methyl group, an ethyl group, a methoxy group, or a difluoromethoxy group is especially preferable.
Typical examples of particular substituents on the moiety Y include fluoro, chloro, cyano and difluoromethoxy.
Preferred C1 haloalkoxy groups include fluoromethoxy, difluoromethoxy and trifluoromethoxy.
Illustrative examples of particular substituents on the moiety Y include chloro, methyl, methoxy and difluoromethoxy.
R1 can be methoxy or substituted methoxy, for example fluoromethoxy, difluoromethoxy or trifluoromethoxy.
Representative alkoxy groups include, by way of example, methoxy, ethoxy, isopropyloxy, trifluoromethoxy and difluoromethoxy.
The C1-C5 haloalkoxy groups include trifluoromethoxy, difluoromethoxy and tetrafluoroethoxy.
Is selected from fluoro, chloro, trifluoromethyl, trifluoromethoxy and difluoromethoxy.
A compound according to claim 2, wherein X is methoxy, difluoromethoxy or trifluoromethoxy.
Such a substituent may for example be a methyl, methoxy, trifluoromethyl, trifluoromethoxy, difluoromethyl or difluoromethoxy group.
Represents hydrogen, fluoro, chloro, methyl, trifluoromethyl, methoxy, difluoromethoxy or trifluoromethoxy ; and.
In one particular embodiment of the first or second aspect, R3 is trifluoromethyl, trifluoromethoxy or difluoromethoxy.
Particularly Z represents halo, trifluoromethyl, trifluoromethylthio, difluoromethoxy or trifluoromethoxy.
Illustrative examples of optional substituents on the moiety Y include halogen, C1-6 alkyl, C1-6 alkoxy and difluoromethoxy.
Represents fluoro, chloro, bromo, difluoromethyl, trifluoromethyl, difluoromethoxy or trifluoromethoxy ;.
Typical examples of optional substituents on the moiety Y include C1-6 alkyl and difluoromethoxy.
Representative examples of fluoroalkoxy groups include trifluoromethoxy, difluoromethoxy and 2,2,2-trifluoroethoxy.
Typical examples of optional substituents on the moiety Y include halogen, C1-6 alkyl and difluoromethoxy.
In some aspects of these embodiments, Rd is haloalkoxy ( e.g., difluoromethoxy or trifluoromethoxy ).
A compound according to claim 2 in which Z is difluoromethoxy.
Selected examples of particular substituents on the moiety Y include fluoro, chloro, methyl, difluoromethoxy and methylsulfonyloxy.
The haloalkoxy groups include C1-C5 haloalkoxy groups such as trifluoromethoxy, difluoromethoxy and tetrafluoroethoxy.
