Figure 4

1H NMR chemical shift of CIP as π-acceptors in methanol-d 4 affected by complexation with Naph as π-donors. CIP concentration was 7.8 mM, and Naph concentration was 0, 7.8, 15.6 and 20.3 mM. (a–h) were noted as H position in CIP molecular.

1H NMR chemical shift of CIP as π-acceptors in methanol-d 4 affected by complexation with Naph as π-donors. CIP concentration was 7.8 mM, and Naph concentration was 0, 7.8, 15.6 and 20.3 mM. (a–h) were noted as H position in CIP molecular.