A discussion of an experiment that looks at synthesis and the action of the Grignard reagent.
Written in 2008; 912 words; 6 sources; MLA; $ 32.95
Paper Summary:
This paper discusses an experiment in which a Grignard reagent was synthesized and used to perform its unique function - nucleophilic addition to create a carbon-carbon bond. The paper describes the materials and methods used in the experiment. It then presents the results in a table and discusses the findings of the experiment.
Table of Contents:
Introduction
Materials and Methods
Results
Discussion
Appendix
From the Paper:
"Bis(diphenylmethyl) ether was more likely to form than any other side product because it is a result of nucleophilic substitution, which was the most likely mechanism to occur under the experimental conditions (Mazid and Palmer, 1975). The formation of biphenyl (as a result of self-coupling) was not possible during the synthesis of the Grignard reagent because during the Grignard reaction, coupling is avoided and precautions are taking to insure it does not occur. In order for the two carbons to couple, like in the alkylation by an acetylide ion (Wade, 433-445), the halide has to leave. However, the halide is an important component of any Grignard reagent, and if displaced by self-coupling (via nucleophilic substitution), the intended reaction could not occur. In other words, after the joining of the two equivalent alkyl groups, no further alkylationis possible, since the Grignard reagent would be destroyed (Wade, 433-445)."
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