Preparation and reactions of 2,5-dimethoxythiophen

Autor:	Patrick R. Huddleston, Stephen W. Shutler, John M. Barker
Rok vydání:	1975
Předmět:	chemistry.chemical_classification chemistry.chemical_compound Electrophilic substitution chemistry Xylene chemistry.chemical_element Mineral acid Organic chemistry Maleic anhydride Extrusion Ring (chemistry) Sulfur
Zdroj:	Journal of the Chemical Society, Perkin Transactions 1. :2483
ISSN:	1364-5463 0300-922X
DOI:	10.1039/p19750002483
Popis:	2,5-Dimethoxythiophen, prepared from 2,5-di-iodothiophen, undergoes some electrophilic substitution reactions but is susceptible to ring opening by mineral acid. It is also decomposed by butyl-lithium. Reaction with maleic anhydride in xylene proceeds with extrusion of sulphur and a second Diels–Alder reaction to give a bis-adduct (2).
Databáze:	OpenAIRE
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