Examples of 'piperidyl' in a sentence
Meaning of "piperidyl"
Piperidyl is a noun used in chemistry to refer to a particular chemical structure or compound containing a piperidine ring
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- A univalent radical derived from piperidine
How to use "piperidyl" in a sentence
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piperidyl
Piperidyl and pyrrolidinyl moieties are especially preferred.
Processes for resolving piperidyl acetamide stereoisomers.
The most preferred heterocarbocyclic group is piperidyl.
Preferably the piperidyl residue is disubstituted.
A preferred example of a heterocycle of the present application is piperidyl.
Preferred heterocycles are piperidyl and morpholinyl.
Pyrrolidinyl, piperidyl or morpholinyl or optionally substituted piperazinyl.
More preferred heterocarbocyclic groups include piperidyl and homopiperidyl.
The pyrrolidinyl and piperidyl groups are advantageously substituted on the nitrogen atom.
As examples of such groups may be mentioned the piperidyl and morpholine rings.
The bond between the piperidyl ring and the cycloheptyl ring preferably is a double bond.
Examples include tetrahydrofuranyl, morpholinyl and piperidyl.
Examples include piperidyl or tetrahydrofuryl.
Preferably, such inhibitor contains a piperidyl group.
Z is chosen from residues containing a piperidyl group selected from the group consisting of those,.
See also
Most preferable one is pyrrolidinyl, piperidyl.
Isoquinoline and piperidyl substitution pattern are numbered text according to IUPAC rules,.
Particularly preferred are pyrrolidinyl, piperidyl and morpholinyl groups.
The heterocycloalkyl is more particularly morpholinyl, piperazinyl, pyrrolidinyl or piperidyl.
The most preferred basic radicals are amidino and piperidyl represented by the formulae ;.
Preferred heterocyclic aliphatic rings include piperazyl, morpholinyl, tetrahydrofuranyl, tetrahydropyranyl and piperidyl.
Z represents a residue containing a sterically hindered piperidyl group chosen from the group consisting of,.
According to another preferred variant of the invention, the sterically hindered amines contain piperidyl units.
A suitable example of a substituted piperidyl residue includes e.g. a radical of formula ( b ) wherein.
In some embodiments, the heterocyclyl is piperidyl.
In substituent group B, a pyrrolidinyl group, a piperidyl group, a morpholinyl group, and a tetrahydrofuryl group are preferred.
Preferred examples of the heterocycle include pyridyl, piperidyl and furyl.
Is, piperidyl optionally substituted,.
Most preferably, such inhibitor contains a polyalkyl-substituted piperidyl group.
Compounds of formula ( 1 ) wherein the piperidyl moiety is 1-piperidyl are generally preferred.
Nitrogen-containing heterocycles to which preference is given are optionally substituted piperidyl and tetrahydropyridyl groups.
Examples of such groups are morpholinyl, tetrahydropyranyl, thiomorpholinyl, piperazinyl, pyrrolidinyl or piperidyl.
And R6 are attached to the piperidyl ring.
Examples of heterocycles include 5-6 membered rings having at least one nitrogen atom, for example piperidyl.
A coating antioxidant compound, selected from piperidyl derivatives ;.
A composition according to claim 12 wherein the spirocyclohexyl ring has been replaced with an N-substituted piperidyl.
Suitable such heterocyclic groups include morpholinyl, imidazolidinyl, pyrazolidinyl, piperidyl and piperazinyl groups.
Preferably Z is an optionally substituted N-linked 4 to 7 membered heterocycle, in particular optionally substituted piperidyl.
Morpholinyl, for example morpholin-4-yl groups, and piperidyl groups are preferred.
Preferably, the secondary or tertiary amine function in S is incorporated in a piperidyl group.
Particular preferred in this embodiment, R3 is pyrrolidinyl, piperidyl or hexahydro-1H-azepinyl.
Preferably Z is an optionally substituted N-linked 4 to 7 membered heterocycle, in particular piperidyl.
A compound of claim 20, wherein NRaRb taken together form piperidyl or pyrrolidinyl.
Naphthyl radical, a thienyl radical, a furyl radical, a pyridyl radical or a piperidyl radical ;.
A saturated heterocyclic group chosen from tetrahydrofuryl, tetrahydropyranyl, piperidyl and pyrrolidinyl groups ;.
A coating antioxidant compound, which is a steric hindered amine, selected from piperidyl compounds ;.
Z represents a residue containing ( a ) sterically hindered piperidyl group ( s ) chosen from,.
Preferably, the heterocyclic ring is selected from the group consisting of pyrrolidinyl, piperidyl and piperazinyl.
Such a group is, for example, a tetrahydrofuryl, tetrahydrothiophenyl, pyrrolidinyl, piperidyl or dioxanyl group, and the like.
Particularly preferred heterocyclic groups comprise an imidazolyl, oxazolyl, isoxazolyl, thiazolyl, piperidyl or piperazyl group.
