4-Dodecylbenzenesulfonic acid (DBSA): an efficient, eco-friendly and chemoselective catalyst for the synthesis of 1, 1- diacetates under solvent-free conditions at room temperature

4-Dodecylbenzenesulfonic acid (DBSA) has been shown to be an efficient, mild, green, stable and chemoselective Brønsted acid catalyst for the synthesis of 1, 1-diacetates (acylals) of aldehydes under solvent free conditions. The mild condition, eco-friendly, excellent yields, short reaction times and using an easily available, inexpensive and reusable catalyst are important features of this method.