The invention concerns novel nitroaromatic compounds of general formula (I′) wherein: R, R′1, R2, Z and n are as defined in claim 38. The invention also concerns a method for preparing nitroaromatic compounds nitrated in position 4. The invention further concerns the use of said compounds for preparing heterocyclic benzofuran or benzothiophene derivatives nitrated in position 5. The invention concerns particularly the preparation of 2-alkyl-5-nitrobezofuran
本发明涉及通式(I')的新型硝基芳香化合物,其中:R、R'1、R2、Z和n如权利要求38所定义。本发明还涉及一种制备在4位硝化的硝基芳香化合物的方法。本发明还涉及使用所述化合物制备在5位硝化的杂环
苯并呋喃或
苯并噻吩衍
生物。本发明特别涉及2-烷基-
5-硝基苯并呋喃的制备。