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Table 3 Comparison between different methods for synthesis of 2-(aryl or alkyl)-2,3-dihydro-1H-naphtho[1,2-e][1,3]oxazine derivatives

From: Efficient synthesis of 1,3-naphtoxazine derivatives using reusable magnetic catalyst (GO-Fe3O4–Ti(IV)): anticonvulsant evaluation and computational studies

Entry

Conditions

Yield (%)

Refs.

Catalyst/Temp/Time/Solvent

1

Nano-Al2O3/BF3/Fe3O4/R.T/20 min/Water

92

[6]

2

Fe3O4@nano-dextrin/Ti(IV)/R.T/7 min/Water

95

[33]

 

Fe3O4@NCs/TiCl/R.T/3 min/solvent-free

98

[35]

3

Nano-Fe3O4@walnut shell/Cu(II)/60 °C/25 min/solvent-free

93

[34]

4

GO-Fe3O4-Ti(IV)/60 °C/15 min/solvent-free

97

This work