Table 5. Substrate Scope for the Diastereoselective 4,5-Disubstituted Oxazoline Derivatives 3^a.

^aThe reactions were performed with aldehyde (3 mmol), tosmic (3 mmol), and K₃PO₄ (3 mmol) at 60 °C.

^bIsolated yield.

^cMicrowave reactions were carried out in a microwave model no. CATA R (Catalyst Systems, Pune) at 60 °C using a power of 280 W.