(1S)-1-(2-Methoxyphenyl)ethanamine(CAS: 68285-24-5)

(1S)-1-(2-Methoxyphenyl)ethanamine is a white crystalline solid with a molecular weight of approximately 168.24 g/mol. It is slightly soluble in water but more soluble in organic solvents. The compound is moderately reactive, particularly in basic conditions. It has a pKa of around 7.5, indicating it is a weak base.

(1S)-1-(2-Methoxyphenyl)ethanamine can be synthesized via aminomethylation of 2-methoxybenzene using water as the amine source. The reaction is typically conducted in the presence of a catalytic amount of a strong acid like sulfuric acid or hydrochloric acid. The yield is around 85-90%, with good selectivity to the (S)-enantiomer.

(1S)-1-(2-Methoxyphenyl)ethanamine is primarily used in the pharmaceutical industry as an intermediate for the synthesis of various drugs, particularly those targeting respiratory and cardiovascular systems. It is also used in the polymer industry for the preparation of certain functional polymers and in semiconductor applications for the development of sensor materials.

When handling (1S)-1-(2-Methoxyphenyl)ethanamine, it is essential to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. The compound should be stored in a cool, dry place away from direct sunlight. In case of spillage, it should be cleaned up with care, and appropriate emergency procedures should be followed. Always refer to the Safety Data Sheet (SDS) for detailed handling instructions and first aid measures.