Connections for electronic devices

The present invention relates to compounds according to formula (1) or (2) and their use in electronic devices as well as electronic devices containing these compounds. The compounds according to the invention are preferably used as hole transport materials, as hole injection materials, as matrix materials for phosphorescent dopants and / or as fluorescent dopants in organic electroluminescent devices. Furthermore, the invention relates to the preparation of the compounds of the formula (1) or (2) and formulations containing one or more compounds of the formula (1) or (2).