Search results for "Methyl group" - New World Encyclopedia

In chemistry, esters are organic compounds in which an organic group ... (OH) group from which the hydrogen (H) can dissociate as an H+ ion ...

of those molecules. The same functional group will undergo the same or ... of the molecule by covalent bonds. When the group of atoms is associated with ...

The term xylene refers to a group of three benzene derivatives, each of which has two methyl functional groups attached to the benzene ring. ...

adenosyl methionine (SAM) is an important methyl donor involved in a variety ... Like cysteine, methionine contains sulfur, but with a methyl group ...

has significantly different properties: Methyl ethyl ether (III). Notice ... has three isomers where the additional methyl group can be placed on three ...

S-adenosyl methionine (SAM) as a methyl group donor (Higdon and Drake ... betaine, is involved in the providing a methyl group for conversion of homocysteine ...

A ketone (pronounced as key tone) is either the functional group characterized ... compounds. The double-bond of the carbonyl group distinguishes ketones from ...

presence of a strong base, the product is methyl formate, an ester of formic ... is sodium methoxide. Hydrolysis of the methyl formate produces formic acid: ...

the laboratory is by cyclodehydration of o-methyl- or o-methylene-substituted ... Anthracene can also have a hydroxyl group to form 1-hydroxyanthracene ...

|S-Adenosyl methionine Chiang et al. (1996). || Methyl group || Bacteria ... (1974); Balch and Wolfe (1979). || Methyl group || Methanogens ...

The methyl group makes it around 25 times more reactive than benzene ... in order to be excreted. The methyl group of toluene is more easily ...

plastids of plants, the so-called MEP(2-Methyl-D-erythritol-4-phosphate ... thought of as modified terpenes, wherein methyl groups have been moved or ...

An aldehyde is an organic compound containing a terminal carbonyl ... via the Wolff-Kishner reaction to a methyl group. The Wolff-Kishner reaction ...

R2SiO]n, where R corresponds to an organic group such as methyl, ethyl, or ... shown in the figure). The second largest group of silicone materials is ...

Methanol, also known as methyl alcohol, carbinol, wood alcohol, wood ... has Greek language errors. The term "methyl" was derived in about ...

Chloroform, also known as trichloromethane and methyl trichloride ... For this reason, it is placed within the group of compounds known as trihalomethanes ...

biodegradable by soil bacteria. However one group derived from trinitrophenol ... Fungicides are the group used to stop the growth of smuts and rusts ...

Amines are organic compounds and a type of functional group that contain ... show how many H atoms there are in that group. It is also possible to have ...

as an aromatic hydrocarbon, which is a group of organic compounds. Its ... some toluene molecules lose their methyl groups to produce benzene ...

proline, and alanine (Ala), whose side group is a small, inert methyl ... where there is no space for a larger side group than glycine’s single hydrogen ...

groups in their molecules. A carboxyl group consists of a carbon atom ... where R is a hydrogen atom or an alkyl group. Compounds may also have ...

ethyne) is a hydrocarbon belonging to the group of alkynes. It is considered ... Berthelot was able to prepare acetylene from methyl alcohol, ethyl ...

controversial question of which research group actually discovered an element ... quot;X" is used to indicate a variable group amongst a class of compounds ...

as dimethylformamide, dimethylacetamide, N-methyl-2-pyrrolidone, HMPA. Because ... #039;s Healer. Garden City Park, NY: Avery Pub. Group, 1993. ...

The ε-amino group often participates in hydrogen bonding and as a ... amino acids through its side-chain amino group and these linkages are not ...

For example, in cis-2-butylene the two methyl substituents face the same ... the Grieco elimination in which the alcohol group is converted to a short-lived ...

molecules that contain an ether functional group—an oxygen atom directly ... quot; at the end. Examples are "ethyl methyl ether" and "diethyl ...

Carbohydrates form the largest group of substances in food consumed ... In the case of cholesterol, the polar group is a mere -OH (hydroxyl or ...

Bell pepper is the common name for a cultivar group of the species ... the potato or nightshade family, a group of flowering plants in the ...

Polonium is a chemical element that lies in group 16 (former group ... Some researchers have reported that methyl groups can be attached ...

certain types of cancer. Also, monosodium methyl arsenate (MSMA), a less toxic ... In the periodic table, arsenic is located in group 15 (formerly group ...

an aryl amine, consisting of a phenyl group attached to an amino group ... aniline, aniline hydro-chloride and methyl alcohol in an autoclave at ...

as halogenoalkanes or alkyl halides) are a group of chemical compounds, consisting ... Freon is a trade name for a group of chlorofluorocarbons used primarily ...

occurring amine containing one amino group that is connected to an aromatic ... (SAMe) as a cofactor to donate the methyl group to norepinephrine, creating ...

readily pairs with adenine because the methyl group is repelled into a fixed ... chemistry, a substituent is an atom or group of atoms substituted in place ...

chain and a terminal carboxylate group (-COOH). They have the general ... CoA, a coenzyme carrying a two-carbon-atom group. Bacteria, however, possess ...

aspartame (aspartyl-phenylalanine-1-methyl ester) is produced through ... Phenylalanine contains a large rigid aromatic group (in this case ...

Progesterone is a steroid hormone. A steroid is any of a group of ... functional groups, as well as two methyl branches. Like all steroid ...

* EC 2 Transferases transfer a chemical group called a functional ... * EC 5 Isomerases transfer a group within a single molecule to form ...

element that is placed in period 4 and group 12 (former group 2B) of the ... As an element in group 12, zinc has traditionally been classified ...

B6 is part of the vitamin B complex, a group of eight, chemically distinct ... based on a pyridine ring, with hydroxyl, methyl, and hydroxymethyl substituents ...

their use and distribution (The Steroid Group, 2006). ==Structure and ... molecule (substitution of an ethyl or methyl group for the hydroxyl group ...

Vitamin E is the generic descriptor for any of a group of several ... hydrogen was now pointing down and the methyl group pointing up), this would ...

Methyl salicylate, commonly called "oil of wintergreen," is often used as a mint flavoring for foods and candies due to its mint-like ...

In the periodic table, sulfur is located in group 16 (formerly group ... * Thiocyanates contain the SCN− group. Oxidation of thiocyanate ...

| formalin, formol,methyl aldehyde,methylene oxide |- | Molecular formula | CH2O |- | SMILES | C=O |- | Molar mass | 30.03 g·mol−1 ...

Polymers form a large, diverse group of materials. Within each living ... When ethene is copolymerized with small amounts of 1-hexene (or 4 ...

or LDS Church) Brigham Young, who led a group of Mormon pioneers to the ... #039;s gender is not actually known.) A group of Utah residents suggested ...

which a fatty acid is bound to the hydroxyl group by an ester bond (McGraw ... a wider range of temperatures. The hydroxyl group on cholesterol interacts ...

within her party. The parliamentary group leader Volker Kauder said ... Break of the[Carbon-Hydrogen-Bond in the Methyl Radical.) 353-361. Zeitschrift ...

the "daughter" of the functional group ethyl (C2H5). Around that ... ethylene dibromide. Some products in this group are: Polyvinyl chloride, ...

AcOH or HOAc where Ac stands for the acetyl group CH3−C(=O)−;. In the context ... The hydrogen (H) atom in the carboxyl group (−COOH) in carboxylic ...

and differs from thymine by lacking a methyl group on its ring. Uracil is ... Structure of cytosine with and without the 5-methyl group. After deamination ...

et al. 1981). Individuals in the second group have the quality known as ... of between 5000 and 40000, the colony as a group can thermoregulate (Southwick ...

Vanilla is the common name and genus name for a group of vine-like ... The food industry uses methyl and ethyl vanillin. Ethyl vanillin is ...

engine that runs on a mixture of methanol (methyl alcohol) and lubricant (typically ... model _koda Octavia, using Volkswagen Group engines, has a combined Euro ...

town was founded on September 4, 1781, by a group of 44 settlers of Filipino ... 1.5 percent) lived in non-institutionalized group quarters, and 26,415 (0.7 ...

gold and thallium. In addition, it is in group 12 (former group 2B) below ... In the United States, the FDA has an action level for methyl mercury ...

hybrids, although most would group them under the broad meaning ... ** Amphetamine: Alpha-methyl-phenethylamine ** Gestapo: Geheime Staatspolizei ...

Ethanol's hydroxyl group is able to participate in hydrogen bonding ... The ethanol molecule has a hydrophilic -OH group that helps it dissolve polar ...

D. "Jig Dog" Ramage's Air Group 19. Naval aviators with experience ... groups, with the most promising in the first group. Burgess 2011, 38. ...

Arthur Sullivan and in The Wolfe Pack, a group of devotees of the Nero Wolfe ... near "a Union Carbide plant producing methyl isocyanate" (referring ...