3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-6,7-dihydro-5h-pyrazolo[5,1-b][1,3]oxazine 5g

3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-6,7-dihydro-5h-pyrazolo[5,1-b][1,3]oxazine 5g