New thiophene compounds and a new process for the manufacture of thiophene compounds by dehydrogenating dihydrothiophene with certain halogen compounds. The products are starting materials for the manufacture of pharmaceuticals, dyes and plant protection agents and, in particular, for the manufacture of additives to foodstuffs, feeds, beverages and pharmaceuticals.
新的
噻吩化合物以及一种通过使用特定卤素化合物对二氢
噻吩进行脱氢来制造
噻吩化合物的新工艺。这些产品是制造药品、
染料和植物保护剂的起始材料,特别是用于制造食品、饲料、饮料和药品的添加剂。