New chemical structural features of coal

✍ Scribed by Ben M. Benjamin; Emily C. Douglas; Domenic M. Canonico

• Publisher: Elsevier Science
• Year: 1984
• Tongue: English
• Weight: 377 KB
• Volume: 63
• Category: Article
• ISSN: 0016-2361
• DOI: 10.1016/0016-2361(84)90304-1

✦ Synopsis

An adaptation of the transalkylation reaction provides a means for cleaving alkyl substituents off of the aromatic portions of coal as well as extracting aliphatic connecting groups from between aromatic clusters. Using reasonably low concentrations of acid catalysts, the groups are transferred to an acceptor without modification or rearrangement and identified by means of convenient laboratory procedures. Thecatalyst in this procedure istrifluoromethanesulphonic acid and toluene is theacceptor. The reaction was performed on several samples of coal and gave toluene solutions containing a large number of derivatives. Results are reported for Wyodak coal. A list of substituents and several new connecting groups is recorded