Examples of 'phenolic hydroxyl' in a sentence
Meaning of "phenolic hydroxyl"
Phenolic hydroxyl is a chemical group (-OH) that is attached to a phenol compound. It is commonly found in organic compounds and plays a crucial role in various chemical reactions and biological processes
How to use "phenolic hydroxyl" in a sentence
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phenolic hydroxyl
The resultant product is terminated in phenolic hydroxyl groups.
Phenolic hydroxyl groups are considered responsible for antioxidant activity.
Polyphenols are compounds which share a phenolic hydroxyl group.
Compounds having 3 phenolic hydroxyl groups are particularly preferred.
Preparation process of resin composition having phenolic hydroxyl groups.
Containing a phenolic hydroxyl group on at least one of the nuclei ;.
Those compounds which possess a carboxyl or phenolic hydroxyl group.
Preferably, the phenolic hydroxyl moiety is protected as a para-nitrobenzoate ester.
Each of these compounds possessed a free phenolic hydroxyl group.
However, the phenolic hydroxyl group of tyrosine is not always required to be protected.
Such polyfunctional compounds preferably have phenolic hydroxyl or carboxyl groups.
If desired, the phenolic hydroxyl can be subsequently etherified with an aminoethyl or a hydroxyethyl residue.
Any other compound which has a phenolic hydroxyl group can be used.
In the case of the phenolsulfonephthaleins, the ionizable group is a phenolic hydroxyl.
In all of these phenolic compounds the phenolic hydroxyl group is free of steric hindrance.
See also
It is particularly preferred to use compounds having three or more phenolic hydroxyl groups.
Typical examples of such phenolic hydroxyl group-containing compound include phenolic resins.
Reacts in general with lignin structures that have free phenolic hydroxyl groups.
Other commonly used groups are phenolic hydroxyl and carboxyl, both weakly acidic cation exchangers.
X can be any functional group that can react with a phenolic hydroxyl or an oxirane.
Protecting the phenolic hydroxyl groups of a catechin and / or epicatechin monomer with a first protecting group ;.
The hydroxyl groups may each be an alcoholic hydroxyl group or a phenolic hydroxyl group.
Thus, reaction of an alkylene carbonate with a phenolic hydroxyl moiety produces only monoalkoxylation products.
Other useful phenolic resins include polyvinyl compounds having phenolic hydroxyl groups.
For alkylation of phenolic hydroxyl group, moreover, Mitsunobu reaction can be used.
The functional compound is preferably a compound having a phenolic hydroxyl group or carboxyl group.
Examples of phenolic hydroxyl group-containing materials are bisphenol A and resorcinol.
They also found no correlation between precipitation efficiency and the phenolic hydroxyl content.
The ratio of remaining phenolic hydroxyl groups was 0 %.
Vanillyl alcohol has two reaction sites of a primary hydroxyl group and a phenolic hydroxyl group.
Among these, it is preferred to protect the phenolic hydroxyl group using methoxymethyl chloride.
Following halogenation, protecting groups are provided on any naphtholic or phenolic hydroxyl groups.
Methylation of the phenolic hydroxyl diminishes inhibitory activity by 2.5 logs.
Preferred phenolic curing agents should comprise at least two phenolic hydroxyl groups per molecule.
Protecting the phenolic hydroxyl groups of the compounds of step ( a ) with a second protecting group,.
A SERM typically contains a phenolic hydroxyl group.
Advantageously, each phenolic hydroxyl group is protected using a benzyl ether protecting group, and y is 2.
R5 represents a protective group of a phenolic hydroxyl group.
The protective group R ₄ for phenolic hydroxyl is, for example, lower alkoxycarbonyl or methoxymethyl.
A green-blue coloration indicated the presence of a phenolic hydroxyl group.
Polymers that contain phenolic hydroxyl groups, i . e ., phenolic resins, are preferred.
In this case, the first step is alkylation of a phenolic hydroxyl group or thiol.
Of phenolic hydroxyl equivalents and a softening point of 87 °C.
The process of claim 1 wherein the acid labile phenolic hydroxyl protecting group is tetrahydropyranyl.
In the case of phenolsulfonephthaleins, the ionizable group is the C ring phenolic hydroxyl.
Mixtures of alcoholic hydroxyl group-containing materials and phenolic hydroxyl group-containing materials may also be used.
The bis-silylated intermediate of formula ( B ) is thus selectively deprotected on the phenolic hydroxyl.
Starting with commercially available 6-carboxyfluorescein, the phenolic hydroxyl groups are protected using an anhydride.
In addition, they may be metal salts of the above compounds having a phenolic hydroxyl group.
Prior to neutralization, the phenolic hydroxyl content of the organic phase is 210ppm.
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