Examples of 'ring nitrogen' in a sentence
Meaning of "ring nitrogen"
ring nitrogen: a chemical compound composed of a ring of nitrogen atoms
How to use "ring nitrogen" in a sentence
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ring nitrogen
At any substitutable ring carbon or ring nitrogen atom.
Ring nitrogen atoms can also be common to both rings.
It can be attached vía a ring carbon atom or a ring nitrogen atom.
The ring nitrogen may be protected with an acyl or alkoxycarbonyl group.
Preferred groups have at least one ring nitrogen atom.
The ring nitrogen is preferably protected for subsequent synthetic transformations.
Basic radicals may also be formed from a ring nitrogen.
Group containing a ring nitrogen or a heteroaryl group containing a ring nitrogen.
A heterocyclyl group can be joined vía a ring carbon or ring nitrogen atom.
Deprotection of the ring nitrogen gives the diamine III.
The resulting compounds contain a carbonyl adjacent to the ring nitrogen of piperazine.
The substituent G on the ring nitrogen can be introduced by a two step procedure.
Preferred polycyclic heterocycles include those having a quaternary ring nitrogen atom.
A ring nitrogen atom present in Het can carry one or two substituents.
The side chain in the above formula is bonded to a ring nitrogen atom.
See also
This ring nitrogen atom may be a secondary, tertiary or quaternary amine.
Protonation or alkylation typically takes place at only one of the ring nitrogen atoms.
The alkylation of the ring nitrogen atoms of pyrazole 43 can be accomplished using conventional techniques.
The pyrimidine ring is protonated on the ring nitrogen opposite the amino group.
In an alternative embodiment, the modifier group is attached to the ring nitrogen.
Methylation of the ring nitrogen decreased markedly the inhibition of all three forms of a-D-mannosidase.
The initial reaction involves the selective alkylation of a purine ring nitrogen by an alkylating agent.
Ring nitrogen atoms may be optionally oxidized to form an N-oxide.
A bicyclic heterocyclic group can be bonded vía any ring carbon atom or ring nitrogen atom.
Ring nitrogen atoms may be optionally oxidized to form N-oxides.
Y represents a ring carbon or a ring nitrogen atom ; and.
Ring nitrogen atoms maybe optionally oxidized to form N-oxides.
In one embodiment, the heteroaryl ring contains at least one ring nitrogen atom.
Alkylating a purine ring nitrogen in a nucleotide in a polynucleotide to form an N-alkylated purine nucleotide ;.
A nitrogen-containing heteroaryl ring must contain at least one ring nitrogen atom.
A ring nitrogen atom may be optionally oxidised to form the corresponding N-oxide.
Het3 can be bonded vía any suitable ring carbon atom or ring nitrogen atom.
A ring nitrogen atom of a heteroaryl may be oxidized to form the corresponding N-oxide compound.
This compound is preferably protected on both the 3-carboxyl group and the ring nitrogen.
Each substitutable ring nitrogen atom in Ring D is unsubstituted or substituted with -R9p.
In certain embodiment, heteroaryl is a 6 membered aromatic ring having one or two ring nitrogen atoms.
Deprotection of the ring nitrogen gives the compounds ( f ).
The optionally substituents include N-oxides of the ring nitrogen atoms.
In the group, the ring nitrogen atom may not be a binding site of a " group ".
The second nitrogen, in a phosphorodiamidate linkage, is typically the ring nitrogen in a morpholino ring structure.
The ring nitrogen is then protected as its ethyl carbamate by acylation with ethyl chloroformate ( 6 ).
A nonlimiting example of such a heteroaryl having an oxidized ring nitrogen atom is N-oxopyridyl.
Deprotection of the ring nitrogen gives the desired compound ( La ).
A nonlimiting example of such a heteroaryl having an oxidized ring nitrogen atom is N-oxidopyridyl.
The ring nitrogen of the tetrahydroisoquinoline ( formula 2, R5=H ) is protected during the acylative coupling.
Wherein X represents a ring carbon or a ring nitrogen atom;.
However when X2 is H2 the ring nitrogen may be subject to salt formation.
In certain preferred embodiments, R1 is attached to Y through a ring nitrogen atom.
Where the substituents are ring nitrogen atoms, n can be 1 or 2.
Also, such hetero-containing group may be attached through a ring nitrogen atom.
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