Parallel Reactions

Parallel Reactions

 

concurrent chemical reactions with at least one common reactant. The term is infrequently used when a common product results from different reactants. Examples of parallel reactions are (1)nitration of phenol with the formation of ortho-, meta-, and Pra-nitrophenol (identical reactants) and (2) nitration of a benzene and toluene mixture (nitric acid is the common reactant).

References in periodicals archive ?
As mentioned above, two characteristic peaks were observed on the mass loss rate curve, indicating that at least two parallel reactions occurred.
The integrated microfluidics system contains thousands of micromechanical valves in micrometer dimensions, controlling thousands of parallel reactions.
Earliest methods of sequencing short sections of purified DNA were chemical in nature and relied on the ability to selectively break DNA strands at specific bases (G, A and G, C, and C and T) in each of four parallel reactions.
Since this is a convergent plan, the first five stages involve parallel reactions, hence the total number of reactions in the plan (13) exceeds the number of stages (8).
2] that later resulted in two competitive parallel reactions, viz.
It features an X, Y, Z robotic arm, can run up to 192 parallel reactions and features automated post-synthesis steps.
The DrySyn MULTI reaction block runs small scale single and multiple parallel reactions.
What makes this potentially bathetic episode truly stand out, aside from Ho's powerfully idiosyncratic performance, is her character's close relationship to her other child, her daughter, Grace (played with casual ease and warmth by Cindy Cheung), a fully realized young woman whose parallel reactions give depth and complexity to the richly layered story.
The kinetic parameters (apparent activation energy E and frequency factor A) were determined using the Friedman procedure, maximum pyrolysis rate method and parallel reactions model, respectively.
The precopolytransesterification step kinetic model takes into account the system of two competitive parallel reactions, as has been considered by Mathew et al.
The model assumed that the oil shale pyrolysis consisted of six parallel reactions with activation energies 80-280 kJ/mol.
For the first time, as far as we know, diffusion with consecutive and parallel reactions of a plasticizing penetrant into a glassy polymer has been analyzed assuming power-law swelling kinetics as first proposed by Astarita and Sarti (7).

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