Synthesis and insecticidal activity of lignan analogs. Part 6. Synthesis and insecticidal activity of sesquilignan analogs with 2-alkyl-6-methoxy-3-(3,4-methylenedioxyphenyl)-1,4-benzodioxanyl group was written by Yamauchi, Satoshi;Taniguchi, Eiji. And the article was included in Bioscience, Biotechnology, and Biochemistry in 1992.Electric Literature of C23H26BrP This article mentions the following:
The methoxymethyl group of the 6-methoxy-2-methoxymethyl-3-(3,4-methylenedioxyphenyl)-1,4-benzodioxan-7-yl moiety of insecticidal lignans of Phryma was modified with several alkyl groups to evaluate the effect on activity of the substituents. The assay results make it evident that this activity was significantly modified by the chain length or bulkiness of the alkyl groups and that the oxygen atom of the methoxymethyl group was fairly important for enhancing the activity. In the experiment, the researchers used many compounds, for example, Isopentyltriphenylphosphonium bromide (cas: 28322-40-9Electric Literature of C23H26BrP).
Isopentyltriphenylphosphonium bromide (cas: 28322-40-9) belongs to organobromine compounds. Bromo compounds are employed in a variety of metal-catalyzed coupling reactions. They are also ideal candidates for the synthesis of Grignard reagents that have wide-applicability in organic synthesis. alpha-Bromoesters are employed in the Reformatsky reaction for the synthesis of beta-hydroxyesters. Bromine-containing agents predominate because not only are they more efficient than similar chlorine-containing species, but also the high atomic weight of bromine ensures that it is present in a high mass fraction within most organobromine compounds.Electric Literature of C23H26BrP
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary