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Phenylacetaldehyde is an aldehyde that consists of acetaldehyde bearing a phenyl substituent; the parent member of the phenylacetaldehyde class of compounds. It has a role as a human metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a mouse metabolite.
This type of polymerization is described as "chain" or "chain-growth" because the reaction mechanism is a chemical chain reaction with an initiation step in which an active center is formed, followed by a rapid sequence of chain propagation steps in which the polymer molecule grows by addition of one monomer molecule to the active center in ...
Termination can occur by several different mechanisms. If longer chains are desired, the initiator concentration should be kept low; otherwise, many shorter chains will result. [2] Combination of two active chain ends: one or both of the following processes may occur. Combination: two chain ends simply couple together to form one long chain ...
In organic chemistry, hydroformylation, also known as oxo synthesis or oxo process, is an industrial process for the production of aldehydes (R−CH=O) from alkenes (R 2 C=CR 2). [ 1 ] [ 2 ] This chemical reaction entails the net addition of a formyl group ( −CHO ) and a hydrogen atom to a carbon-carbon double bond .
In enzymology, a phenylacetaldehyde dehydrogenase (EC 1.2.1.39) is an enzyme that catalyzes the chemical reaction. phenylacetaldehyde + NAD + + H 2 O phenylacetate + NADH + 2 H +. The 3 substrates of this enzyme are phenylacetaldehyde, NAD +, and H 2 O, whereas its 3 products are phenylacetate, NADH, and H +.
The Kiliani–Fischer synthesis, named for German chemists Heinrich Kiliani and Emil Fischer, is a method for synthesizing monosaccharides.It proceeds via synthesis and hydrolysis of a cyanohydrin, followed by reduction of the intermediate acid to the aldehyde, thus elongating the carbon chain of an aldose by one carbon atom while preserving stereochemistry on all the previously present chiral ...
Semisynthesis is a means of preparing many medicines more cheaply than by total synthesis since fewer chemical steps are necessary. Semisynthesis of paclitaxel . Installation of the necessary side chain and acetyl group of paclitaxel by a short series of steps, starting from isolated 10-deacetylbaccatine III. [ 1 ]
LSD, also called (+)-d-LSD, [137] has the absolute configuration (5R,8R). 5S stereoisomers of lysergamides do not exist in nature and are not formed during the synthesis from d-lysergic acid. Retrosynthetically , the C-5 stereocenter could be analysed as having the same configuration of the alpha carbon of the naturally occurring amino acid L ...