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An imine is a functional group or chemical compound containing a carbon-nitrogen double bond. An imine can be synthesised by the nucleophilic addition of an amine to a ketone or aldehyde giving a hemiaminal -C(OH)(NHR)- followed by an elimination of water to yield the imine. However, the equilibrium in this reaction usually lies in favor of the free carbonyl compound and amine, so that azeotrope distillation or use of a dehydrating agent such as molecular sieves is required to push the reaction in favor of imine formation. For more details, see the links on the left side of this column.
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Is imine an NH compound?
Yes. Imine is derived from ammonia and containing an NHgroup attached by a double bond to a carbon atom in another group.
What Chemicals are in Cociane?
If you meant cocaineCocaine (benzoylmethylecgonine) (INN) is a crystalline tropane alkaloid that is obtained from the leaves of the coca plant.Street market cocaine is frequently adulterated or "cut" with various powdery fillers to increase its weight; the substances most commonly used in this process are baking soda; sugars, such as lactose, dextrose, inositol, and mannitol; and local anesthetics, such as lidocaine or benzocaine, which mimic or add to cocaine's numbing effect on mucous membranes. Cocaine may also be "cut" with other stimulants such as methamphetamine. Adulterated cocaine is often a white, off-white or pinkish powder.Synthetic Cocaine ('bath salts') on the other hand is a mixture of chemicals, far more dangerous than the 'natural' cocaine.The synthetic and regular versions look the same but the former is more dangerous than the latter. As proof to this, a 20-year old man who contacted ABC said that people taking synthetic cocaine feel a different high in that people under its influence feel they are on top of the world once they have ingested the drug. As soon as they are out of the hype, they crave for more.Making synthetic cocaine requires a significantly high level of synthetic expertise and well-equipped laboratory facilities. The process requires 5 steps.Some of the chemicals needed (a partial list) are methylamine, succindialdehyde, and acetonedicarboxylic acid monomethyl ester, 2-carbomethoxytropinone, hydrochloride.The clandestine manufacture of illicit synthetic cocaine is extremely unusual. This is not surprising, because - even when attempted by a skilled chemist - the preparation of (-)-cocaine via total synthesis proceeds in less than 10% overall yield. This is clearly economically infeasible in view of the relatively low cost and ready availability of illicit natural cocaine.The purity of uncut illicit synthetic cocaine can vary dramatically depending on the skill of the clandestine operator performing the synthesis. Illicit synthetic cocaine will not contain many of the alkaloidal impurities commonly identified in illicit natural cocaine, e.g., trimethoxycocaine, the cinnamoylcocaines or the truxillines, but can include any of a wide variety of synthetic by-productsOf these, pseudococaine, benzoyltropine and tropacocaine, resulting from benzoylation of pseudoecgonine methyl ester, tropine and pseudotropine, respectively, are the most likely.Additional impurities which are indicative of synthetic cocaine include 3-benzoyloxy-2-carbomethoxytropidine (2,3-didehydrococaine), 3-benzoyloxytropidine (2,3-didehydrotropacocaine), and 2-carbomethoxy-3-methylaminotropidine22. 2,3-Didehydrococaine and 2,3-didehydrotropacocaine result from the benzoylation of unreduced 2-carbomethoxytropinone and tropinone, respectively, and 2-carbomethoxy-3-methylaminotropidine from the irreversible rearrangement of the 2-carbomethoxytropinone/methylamine imine formed during the initial Mannich condensation reaction.
How amino acids are combined to form a protein?
Reactions As amino acids have both a primary amine group and a primary carboxyl group, these chemicals can undergo most of the reactions associated with these functional groups. These include nucleophilic addition, amide bond formation and imine formation for the amine group and esterification, amide bond formation and decarboxylation for the carboxylic acid group. The multiple side chains of amino acids can also undergo chemical reactions. The types of these reactions are determined by the groups on these side chains and are discussed in the articles dealing with each specific type of amino acid. The condensation of two amino acids to form a peptide bond.: For more details on this topic, see Peptide bond. As both the amine and carboxylic acid groups of amino acids can react to form amide bonds, one amino acid molecule can react with another and become joined through an amide linkage. This polymerization of amino acids is what creates proteins. This condensation reaction yields the newly formed peptide bond and a molecule of water. In cells, this reaction does not occur directly; instead the amino acid is first activated by attachment to a transfer RNA molecule through an ester bond. This aminoacyl-tRNA is produced in an ATP-dependent reaction carried out by an aminoacyl tRNA synthetase.[11] This aminoacyl-tRNA is then a substrate for the ribosome, which catalyzes the attack of the amino group of the elongating protein chain on the ester bond.[12] As a result of this mechanism, all proteins made by ribosomes are synthesized starting at their N-terminus and moving towards their C-terminus. However, not all peptide bonds are formed in this way. In a few cases, peptides are synthesized by specific enzymes. For example, the tripeptide glutathione is an essential part of the defenses of cells against oxidative stress. This peptide is synthesized in two steps from free amino acids.[13] In the first step gamma-glutamylcysteine synthetase condenses cysteine and glutamic acid through a peptide bond formed between the side-chain carboxyl of the glutamate (the gamma carbon of this side chain) and the amino group of the cysteine. This dipeptide is then condensed with glycine by glutathione synthetase to form glutathione.[14] In chemistry, peptides are synthesized by a variety of reactions. One of the most used in solid-phase peptide synthesis, which uses the aromatic oxime derivatives of amino acids as activated units. These are added in sequence onto the growing peptide chain, which is attached to a solid resin support.[15 Reactions As amino acids have both a primary amine group and a primary carboxyl group, these chemicals can undergo most of the reactions associated with these functional groups. These include nucleophilic addition, amide bond formation and imine formation for the amine group and esterification, amide bond formation and decarboxylation for the carboxylic acid group. The multiple side chains of amino acids can also undergo chemical reactions. The types of these reactions are determined by the groups on these side chains and are discussed in the articles dealing with each specific type of amino acid. The condensation of two amino acids to form a peptide bond.: For more details on this topic, see Peptide bond. As both the amine and carboxylic acid groups of amino acids can react to form amide bonds, one amino acid molecule can react with another and become joined through an amide linkage. This polymerization of amino acids is what creates proteins. This condensation reaction yields the newly formed peptide bond and a molecule of water. In cells, this reaction does not occur directly; instead the amino acid is first activated by attachment to a transfer RNA molecule through an ester bond. This aminoacyl-tRNA is produced in an ATP-dependent reaction carried out by an aminoacyl tRNA synthetase.[11] This aminoacyl-tRNA is then a substrate for the ribosome, which catalyzes the attack of the amino group of the elongating protein chain on the ester bond.[12] As a result of this mechanism, all proteins made by ribosomes are synthesized starting at their N-terminus and moving towards their C-terminus. However, not all peptide bonds are formed in this way. In a few cases, peptides are synthesized by specific enzymes. For example, the tripeptide glutathione is an essential part of the defenses of cells against oxidative stress. This peptide is synthesized in two steps from free amino acids.[13] In the first step gamma-glutamylcysteine synthetase condenses cysteine and glutamic acid through a peptide bond formed between the side-chain carboxyl of the glutamate (the gamma carbon of this side chain) and the amino group of the cysteine. This dipeptide is then condensed with glycine by glutathione synthetase to form glutathione.[14] In chemistry, peptides are synthesized by a variety of reactions. One of the most used in solid-phase peptide synthesis, which uses the aromatic oxime derivatives of amino acids as activated units. These are added in sequence onto the growing peptide chain, which is attached to a solid resin support.[15
Is imine an NH compound?
Yes. Imine is derived from ammonia and containing an NHgroup attached by a double bond to a carbon atom in another group.
Why guanidine is a strong base?
due to the imine bond
What is an ammonium imine?
An ammonium imine is another name for amine imide - any of a class of organic compounds formally derived from an amine and a nitrene - of general formula R3N+-N-R..
What are 5 words that have the prefix imin?
Iminazole, iminent, iminourea, imine, and imino.
What is an aldimine?
An aldimine is an imine derived from an aldehyde, with a general formula RCH=NR.
What does formaldehyde do to glycine?
Formaldehyde when reacted with glycine in a completely neutral solution forms CH2NCH2COO- imine. The formation of this imine permanently blocks the completely ampholytic nature of glycine in an acid solution, when otherwise it would have formed HOOC-CH2-NH3+. Here both the solutions of formaldehyde as well as glycine have to be completely neutral or slightly basic , to ensure that all NH2 gets converted to imine.
Diazepam is an acid or base. pKa3.4?
it is a base because of its weak basic imine group
What are the key functional groups in a Quinine molecule?
C20H24N2O2
What is an acyliminium?
An acyliminium is an acyl iminium ion - an ion of iminium, a form of quaternary ammonium formed by an imine.
Schiff base of aniline and benzaldehyde?
aniline and benzaldehyde combines to form a C6H5N=CHH5C6 type of imine
What is an aziridine?
An aziridination is a reaction which results in the formation of an aziridine.
What are the functional groups in Valium?
my penis is a functional group in valium! also, its got 1 amine, 1 imine, and 2 aromatic rings.
