A series of novel 2‐aryl‐3‐(9‐alkylcarbazol‐3‐yl)thiazolidin‐4‐ones were synthesized by one‐pot three‐component reactions of 3‐amino‐9‐alkylcarbazoles, aromatic aldehydes, and 2‐mercaptoacetic acid by using dicyclohexylcarbodiimide (DCC) as a cyclizing agent in dry diethyl ether at room temperature. This protocol has advantages of mild condition, short reaction time, high yield, and simple work‐up procedure.
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Li et al. (2012) studied this question.
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