The disclosure is directed to compounds of the formula (I) and (II) and uses of such compounds to treat, among other conditions, neurodegenerative diseases and cancers.

The invention provides compounds having the general formula I: ##STR00001##
and pharmaceutically acceptable salts thereof, wherein the variables R.sup.1, R.sup.2, R.sup.3, R.sup.4, subscript m and n, have the meaning as described herein, and compositions containing such compounds and methods for using such compounds and compositions.

The invention provides compounds having the general formula I: ##STR00001##
and pharmaceutically acceptable salts thereof, wherein the variables R.sup.1, R.sup.2, R.sup.3, R.sup.4, subscript m and n, have the meaning as described herein, and compositions containing such compounds and methods for using such compounds and compositions.

The invention relates to compounds which are suitable for use in electronic devices, and to electronic devices, in particular organic electroluminescent devices, containing said compounds.

The invention relates to compounds which are suitable for use in electronic devices, and to electronic devices, in particular organic electroluminescent devices, containing said compounds.

The present invention generally relates to a chemical process under flow conditions for manufacturing compounds which absorb ultraviolet (UV) radiation and protect biological materials as well as non-biological materials from damaging exposure to UV radiation. The present invention further includes formulations and compositions comprising such compounds for use in absorbing UV radiation, as well as methods for protecting biological materials as well as non-biological materials from damaging exposure to UV radiation.

The present invention generally relates to a chemical process under flow conditions for manufacturing compounds which absorb ultraviolet (UV) radiation and protect biological materials as well as non-biological materials from damaging exposure to UV radiation. The present invention further includes formulations and compositions comprising such compounds for use in absorbing UV radiation, as well as methods for protecting biological materials as well as non-biological materials from damaging exposure to UV radiation.

The present invention relates to compounds for use in electronic devices, preferably organic electroluminescent devices. The invention furthermore relates to processes for the preparation of these compounds and to electronic devices comprising these compounds, preferably in a function as matrix materials and/or as electron-transport materials.

The present invention relates to compounds for use in electronic devices, preferably organic electroluminescent devices. The invention furthermore relates to processes for the preparation of these compounds and to electronic devices comprising these compounds, preferably in a function as matrix materials and/or as electron-transport materials.

The present disclosure relates to the field of organic electroluminescence materials and particularly relates to a compound, an OLED display panel and a display device. The compound according to the present disclosure has a structure represented by a formula (I) or a formula (II): ##STR00001##