Correction

The authors regret to have overlooked an error in (Figure five) of the original version of this article [1]. The original, incorrect form (Figure 1), and the corrected form (Figure 2) are shown in this article.

Figure 1
figure 1

Synthesis of PIM-1, a-reagent and condition, K2CO3, DMAc and DEB at 150°C for 1 h (Incorrect form).

Figure 2
figure 2

Synthesis of PIM-1, a-reagent and condition, K2CO3, DMAc and DEB at 150°C for 1 h (Corrected form).