Examples of 'substituted phenols' in a sentence
Meaning of "substituted phenols"
Substituted phenols - Compounds where one or more hydrogen atoms on a phenol molecule are replaced by other functional groups or atoms
How to use "substituted phenols" in a sentence
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substituted phenols
All conventionally used substituted phenols are suitable.
The substituted phenols are particularly preferred.
Process for the preparation of substituted phenols.
Substituted phenols and mixtures thereof can also be used.
Suitable inhibitors include quinones and substituted phenols.
The antioxidants can be substituted phenols or secondary aromatic amines.
The halophenols are an especially suitable class of substituted phenols.
Total mass of phenol and simple substituted phenols expressed as total carbon.
These polyphenols are generally synthesized from optionally substituted phenols.
Phenol and substituted phenols can also be utilized as the blocking agent.
The present invention relates to a new process for the preparation of substituted phenols.
Substituted phenols and alkoxyphenylalkylphenols for use in the invention are preparable as follows,.
This invention relates to a process for the amination of phenols and substituted phenols.
Substituted phenols have insufficient color-producing ability and produced color marks have low color densities.
The present invention does not use such starting compounds but para substituted phenols.
See also
The protonation of a series of methyl substituted phenols and anisoles in FSO3H has been examined.
The family of monomers which undergoes oxidative coupling is substantially composed of alkyl substituted phenols.
The antioxidants were selected from the group of alkyl substituted phenols and substituted phosphite antioxidants.
This process permits the preparation of diphenols, substituted diphenols or substituted phenols.
Alcohols 6 are then reacted with substituted phenols 7 in a Mitsunobu reaction Chem.
Component D preferably comprises at least two substituted phenols.
The alkyl substituents of the alkyl substituted phenols typically contain 1 to 10 carbon atoms.
Suitable inhibitors include quinones, hydroquinones or phenols and substituted phenols.
These highly preferred para-alkyl substituted phenols contain 18 carbon atoms.
Therefore, it is necessary in the synthesis of calixarenes to start from para substituted phenols.
When alkyl substituted phenols are converted into alkylsalicylates, the yield is generally about 75 %.
Scheme 4 shows a general method for the coupling of substituted phenols to the tricyclic core.
Such para-alkyl substituted phenols accordingly contain from 12 to 26 carbon atoms.
The phenolic compound can be phenol itself, polyhydric phenols, and aliphatically or aromatically substituted phenols.
But certain substituted phenols (cresol, resorcinol, etc) may lead to particular resins.
The graft copolymer of claim 6 wherein said oxidatively coupleable monomers comprise the alkyl substituted phenols.
Such para-alkyl substituted phenols contain from about 14 to about 24 carbon atoms.
Optionally substituted ortho-hydroxyaryl groups which may be represented by R2 include optionally substituted phenols.
An alternative procedure for the catalytic reduction of various substituted phenols is described in GB 2 016 449.
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