Figure 23. cyclization of 4-amino-5- phenyl-3,5-thiaaza-4-pentenoic acid 107 using DCC as dehydration agent

From

Short Review on Synthesis of Thiazolidinone and β-Lactam

N. A. A. Elkanzi

World Journal of Organic Chemistry. 2013, 1(2), 24-51 doi:10.12691/wjoc-1-2-4