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Table 2 Yields and melting points of dispiropyrrolothiazole hybrids 4a–h

From: An expeditious and environmentally benign synthesis of dispiro-3-phenylpyrrolothiazoles in ACI/EG eutectic mixture and its antioxidant and antimicrobial activities against urinary tract pathogens

Entry Compound Mp (°C) Yield (%)a
1. 4a 132–134 89
2. 4b 122–124 90
3. 4c 128–130 92
4. 4d 140–142 88
5. 4e 138–140 86
6. 4f 152–154 85
7. 4g 112–114 85
8. 4h 166–168 90
  1. aReactions were carried out 50 °C and the isolated yield of the product was purified by flash column chromatography