Examples of 't-butyl group' in a sentence
Meaning of "t-butyl group"
t-butyl group - In organic chemistry, a t-butyl group refers to a molecular structure that consists of three methyl groups attached to a central carbon atom. This group is known for its steric hindrance properties, which affect the reactivity and stability of organic compounds
How to use "t-butyl group" in a sentence
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t-butyl group
The protective group is preferably a t-butyl group.
X represents t-butyl group from initiator.
Advantageously this is a methyl or t-butyl group.
Removal of the t-butyl group from the aspartyl residue yields eptifibatide.
Preferable examples of these protecting groups are t-butyl group and benzyl group.
If Y is a t-butyl group then the phosphite is a solid at room temperature.
Rb is a benzyl group, a t-butyl group or the like.
Alternatively, the alkyl group can be branched for example, an isopropyl or t-butyl group.
Removal of the t-butyl group is done according to the procedure of Example A.
Represents an isopropyl or t-butyl group.
The t-butyl group was removed in TFA reflux for 1h.
Out of these, a hydrogen atom and t-butyl group are preferred.
Preferred examples include a methyl group, trifluoromethyl group, tribromomethyl group, or t-butyl group.
Of these groups, a methyl group and a t-butyl group are particularly preferred.
A chromene compound according to claim 9, wherein R1 is an isopropyl group or a t-butyl group.
See also
Is preferably a t-butyl group.
Thus when R16 is a t-butyl group it may be removed by reaction with formic acid.
Represents a methyl or a t-butyl group.
The t-butyl group may be removed by alcoholic HCl, TFA, or TFA in dichloromethane.
The a-carboxyl group is protected either by a t-butyl group or by a benzyl group.
In some such embodiments, A is a cyclopentyl, cyclohexyl, or cycloheptyl group substituted with a t-butyl group.
R2 is preferably a methyl group, a t-butyl group or a t-pentyl group.
A compound according to any preceding Claim, wherein R3 represents an isopropyl or t-butyl group.
Removal of t-butyl group and coupling with NH2R ' under literature well known conditions gives 134.
Compounds in which R4a represents a methyl or t-butyl group.
As R1 is especially preferable a hydrogen atom, a methyl group, a t-butyl group or a carboxymethyl group.
As R1 is especially preferable a hydrogen atom, a methyl group, or a t-butyl group.
In particular R1 is a t-butyl group.
In this Table 2, Me represents a methyl group and t-Bu represents a t-butyl group.
Most preferably, R represents a t-butyl group.
The host compound according to claim 16, wherein said C4 alkyl group is a t-butyl group.
Preferably Z represents a methyl, ethyl or t-butyl group.
In the case of using t-butyl chloride, it has a t-butyl group.
And R21 are each independently a methyl group or a t-butyl group.
A use according to Claim 4 or Claim 5, in which R4 represents a methyl or a t-butyl group.
As can be seen, the most preferred substituent at X1 and X3 is a t-butyl group.
The compound according to claim 1, wherein R2 and R3 both represent a t-butyl group.
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The use of t-butyl alcohol as a solvent is mentioned
Examples of such groups are methyl and t-butyl
Two equivalents of potassium t-butyl hydroxide were added
