Definitions

1. Phenyl is the more preferred aryl. (Web site)
2. Phenyl is an exemplary aryl group. (Web site)
3. Of these, phenyl is preferred. (Web site)

Phenyl Moiety

1. For a phenyl moiety (-Ph), the arrangement of any two substituents present on the aromatic ring can be ortho (o), meta (m), or para (p) to each other. (Web site)

Isopropyl

1. When A is an ester group it can be a phenyl or lower alkyl ester such as the methyl, ethyl, isopropyl, secondary butyl or n-hexyl ester. (Web site)

Aforementioned Phenyl Group

1. The aforementioned phenyl group and naphthyl group may have 1 or 2 or more of these substituents on the aromatic ring thereof. (Web site)

Phenyl Radical

1. The olefinic and acetylenic benzenes likewise have this type of structure in which the phenyl radical is negative. (Web site)

Thienyl

1. R.sup.3 is phenyl, 2-fluorophenyl, 3-methoxyphenyl, 3-methylphenyl, 3-trifluoromethylphenyl, or thienyl. (Web site)

Phenyl Substituent

1. A phenyl substituent affords even greater charge delocalization than a double bond, as reflected by the position of a benzyl cation in the stability order. (Web site)

Anthracenyl

1. Typical aromatic nuclei include phenyl, naphthyl, phenanthryl, triphenylenyl, anthracenyl, pyrenyl, chrysenyl, and fluoroenyl groups. (Web site)

Anthracyl

1. Examples of aryl groups include phenyl, naphthyl, anthracyl, 1,2,3,4-tetrahydro-naphthyl and the like. (Web site)
2. Suitable substituents include one or more aryl groups, for example phenyl, naphthyl, anthracyl, and phenanthryl. (Web site)

Phenyl Rings

1. More preferably, both phenyl rings are substituted with a single substituent (most preferably an alkyl group) that is ortho or meta position of the phenyl.
2. Chymotrypsin cleaves peptides at the carboxyl side of tyrosine, tryptophan, and phenylalanine because those three amino acids contain phenyl rings.
3. The aryl groups may be carbocyclic or heterocyclic aryl, but are preferably carbocyclic and more preferably phenyl rings. (Web site)

Alkyl Phenyl Ethers

1. Of particular interest are those alkyl phenyl ethers where the aromatic ring bears an alkoxy or hydroxy moiety. (Web site)
2. The alkyl phenyl ethers of this invention are caused to undergo a thermally induced rearrangement in contact with an alumina. (Web site)

Suitable Aryl Groups

1. Non-limiting examples of suitable aryl groups include phenyl and naphthyl. (Web site)
2. Examples of suitable aryl groups include phenyl and naphthyl.
3. Examples of suitable aryl groups include phenyl and tolyl. (Web site)

Preferred Aryl Group

1. An especially preferred aryl group is a naphthyl group, a dansyl group, a phenyl group or a 4-methylphenyl group.

Preferred Aryl Groups

1. Preferred aryl groups include phenyl and naphthyl, each of which is optionally substituted as defined herein.

Unsubstituted Phenyl Group

1. The substituent A is a hydrogen atom, a lower alkyl group such as a methyl, ethyl or propyl group or a substituted or unsubstituted phenyl group. (Web site)
2. When R.sup.1 is an aryl group, it is preferably an unsubstituted phenyl group. (Web site)
3. Furthermore, a linear or branched alkyl group having 1 to 8 carbon atoms, a substituted or unsubstituted phenyl group is preferable. (Web site)

Xylyl

1. Preferred aryl groups include (for example) phenyl, tolyl, xylyl, cumenyl and naphthyl. (Web site)

Representative Aryl Groups

1. Representative aryl groups include phenyl, naphthyl (e.g., 1-naphthyl and 2-naphthyl), biphenyl, tetrahydronaphthyl and indanyl. (Web site)
2. Representative aryl groups include but are not limited to phenyl, o-tolyl, and naphthyl. (Web site)

Phenanthryl

1. Exemplary aryl groups include phenyl, naphthyl, anthryl, phenanthryl, indenyl, heptalenyl, biphenyl, biphenylenyl, azulenyl, pentalenyl, and the like. (Web site)
2. Typical aryl groups include phenyl, naphthyl, phenanthryl, anthracyl, indenyl, azulenyl, biphenylenyl, and fluorenyl groups. (Web site)
3. Examples are phenyl, toluyl, xylyl, methoxyphenyl, t-butoxyphenyl, naphthyl or phenanthryl. (Web site)

Naphthyl Groups

1. The aryl group includes phenyl, and naphthyl groups, for example; and the illustrative cycloalkyl group includes cyclopentyl, and cyclohexyl groups. (Web site)

Naphthyl Group

1. The aryl group may be of phenyl, tolyl, anisoyl, naphthyl group or the like.
2. In the aryl group which may have substituent(s), as the aryl group, there may be phenyl group and naphthyl group. (Web site)
3. Also preferred is where R is an aryl group, particularly a substituted phenyl or naphthyl group.

Specified

1. When an aryl group is specified, species may include phenyl, biphenyl, naphthyl, phenanthryl and quinone. (Web site)

Manner

1. A subsequent substitution with a halogen or a nitro group in the phenyl ring of the 1,4-benzodiazepine system is also possible in a known manner. (Web site)
2. By using 3,7,11-trimethyldodecanol, di(3,7,11-trimethyldodecyl)phenyl phosphate was obtained in the same manner as used in Example 7. (Web site)

Similarly

1. Similarly, suitable derivatives for when the aryl ring is phenyl include the bromo, fluorosulfonate, triflate and, preferably, the iodo-derivatives. (Web site)
2. Similarly, on the right side of the alkene the phenyl substituent again has the higher priority. (Web site)

Useful

1. For neurotrophin purification, preferably the HIC resin functional group is a phenyl group, while octyl and butyl groups can be useful. (Web site)

Synthesis

1. Synthesis of similar compounds, lacking the methyl substituent shown above but where R is methyl or phenyl, have been reported by Braunholtz et al. (Web site)
2. This method is favored for the synthesis of phenyl esters (for example, it is used in the synthesis of aspirin).
3. Scheme 4 describes the synthesis of phenyl ethers (11). (Web site)

Zero

1. Radical R 34 may be, for example, phenyl, and p may be zero. (Web site)

Position

1. For example, if the phenyl group has a single substituent other than hydrogen, it may be in the R 4, R 5, R 6 or R 7 position. (Web site)
2. If A is a phenyl group, this may have one, two or three of the abovementioned substituents in any position. (Web site)
3. Position 16 has a benzene ring attached as a side chain, which is called a phenyl group. (Web site)

Relative

1. MTO does not, however, change the relative yields of phenol and phenyl carboxylic acid products[2]. (Web site)

Moieties

1. Araliphatic radicals are those moieties which contain an aliphatic portion and an aromatic portion, for example a phenyl or heteroaromatic portion. (Web site)

Present

1. The phenyl group (A) present at the second position may not be substituted or may be substituted with a substituent. (Web site)
2. Other comonomeric units may also be present, such as substituted or unsubstituted phenyl, or substituted or unsubstituted naphthyl. (Web site)

Plane

1. Our calculations revealed that a 45° rotation of the nitro group, relative to the plane of the phenyl group, gave the lowest RHF energy calculations.
2. The terminal piperazine rings are bulky, have limited flexibility, and are twisted out of the phenyl ring plane in both 2a and 2b. (Web site)

Particular

1. An aryl group is preferably phenyl or naphtyl, in particular phenyl.
2. Examples of (C 6 -C 18)aryl groups are in particular phenyl, naphthyl, anthryl and phenanthryl. (Web site)
3. In particular, the single wall carbon nanotubes may have substituents selected from fluorine, alkyl and phenyl attached to the side wall. (Web site)

Case

1. In the case of OH, C 1 -C 4 -alkoxy and phenyl there is in particular only one substituent. (Web site)
2. In this case, R is suitably selected from C1-C4 alkyl groups or optionally substituted phenyl. (Web site)

Art

1. The alkyl phenyl ethers of formula (I) are well known in the art. (Web site)
2. It is to be understood that the conversion of a phenol to its alkyl phenyl ether is well known in the art and need not be described here in any great detail. (Web site)
3. Substituted phenyl esters of the formula-XII and -XIII compounds are prepared by methods known in the art. (Web site)

Nature

1. COX-2 selectivity, particularly in the aromatic ester series, was extremely sensitive to the nature and position of substituents on the phenyl ring.

Cycloalkyl

1. Examples of a cycloalkyl or cycloalkenyl group fused with a phenyl group are indanyl and tetrahydronaphthyl. (Web site)

Term

1. The term “aryl” refers to phenyl (Ph) or naphthyl, substituted or unsubstituted.
2. The term "aryl" refers to phenyl and phenyl substituted with one, two or three substituents, preferably one. (Web site)
3. The term "aryl" shall mean phenyl, napthyl or fluorenyl.

Structure

1. The π electrons of the phenyl ring can stack with other aromatic systems and often do within folded proteins, adding to the stability of the structure. (Web site)
2. The structure of the basic ring excluding the substituent (ring parent) includes, for example, a naphthyl group, a phenyl group, and an anthracenyl group. (Web site)
3. The said ring may form part of a multiple condensed ring structure, for example phenyl, naphthalene, anthracene. (Web site)

Molecule

1. This substituent may be present in the ortho, meta or para position, relative to the point of attachment of the phenyl ring to the rest of the molecule. (Web site)
2. Like the phenyl radical, the cyclic radicals can accommodate themselves to either the positive or negative position in the molecule. (Web site)

Suitable

1. Examples of particularly suitable R groups include without limitation methyl, ethyl, i-propyl, i-butyl, and phenyl. (Web site)

Alkylation

1. Alkylation of the thiol with phenacyl chloride in the presence of potassium carbonate afforded phenyl ketone 8. (Web site)

Means

1. The term "C5-12 aryl" means, for example, cyclopentadienyl, phenyl, indenyl, biphenylyl and naphthyl, among which phenyl is preferable.
2. M indicates a metal or metal ion, A means an r aryl group and Ph a phenyl group.

Attaching

1. Benzyl can be seen as a phenyl attached to a CH 2 before attaching to the parent compound.

Embodiment

1. In one embodiment the polymer may be free of any phenyl or single ring aromatic moiety. (Web site)
2. In one embodiment, the perhalohydrocarbyl groups may include perhalogenated phenyl and alkyl groups. (Web site)
3. In an embodiment, the substituent center may be a phenyl group. (Web site)

Invention

1. Examples of preferred aryl groups of the invention include phenyl, indenyl, naphthyl, azulenyl, fluorenyl, and anthracenyl. (Web site)
2. An object of the invention is to provide a synthesis which permits alkylation of a phenyl ring of a diphenylamine compound. (Web site)
3. The preferred single ring aryl group for use in the invention is phenyl. (Web site)

Mole

1. Gums having about 5.3 and 5.5 mole percent diphenyl substituents have proven to provide effective primer layers for phenyl based silicone PSA's. (Web site)

Atoms

1. Preferred arylcycloalkyls are those wherein aryl is phenyl and cycloalkyl consists of about 5 to about 6 ring atoms. (Web site)
2. Preferred arylalkenyls are those wherein aryl is phenyl and the alkenyl consists of about 3 to about 6 atoms. (Web site)

Categories

1. Nature > Chemistry > Organic Chemistry > Aryl
2. Encyclopedia of Keywords > Nature > Chemistry > Substituents
3. Encyclopedia of Keywords > Nature > Chemistry > Alkyl
4. Methyl
5. Preferred

Related Keywords

* Alkyl * Alkyl Group * Alkyl Groups * Amino Group * Aniline * Aromatic * Aromatic Group * Aromatic Groups * Aromatic Rings * Aryl * Aryls * Aryl Group * Aryl Groups * Aryl Radicals * Benzene * Benzophenone * Benzyl * Benzyl Group * Biphenyl * Butyl * Carbon * Carbons * Carbonyl * Carbon Atoms * Chemical Name * Chlorine * Chloro * Compound * Compounds * Cyclohexyl * Embodiments * Ester * Ethyl * Ethyl Group * Examples * Formula * Formulae * Fused * Group * Groups * Halo * Halogen * Herein * Hydrogen * Hydrogenation * Limited * Methoxy * Methyl * Methyl Group * Naphthyl * Number * Ortho Position * Phenol * Phenoxy * Phenylalanine * Phenyl Group * Phenyl Groups * Phenyl Substituents * Polycyclic * Preferred * Product * Pyridyl * Radical * Radicals * Schiff Base * Specific Examples * Sub * Substituent * Substituents * Substitution * Suitably * Sup * Tolyl * Trifluoromethyl * Unsubstituted

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