REACTIONS OF NITROSONIUM HEXAFLUOROPHOSPHATE WITH SOME OLEFINIC COMPOUNDS IN ACETONITRILE: ONE STEP SYNTHESIS OF 4H-5,6-DIHYDRO-1,2-OXAZINES

Article abstract of DOI:10.1016/S0040-4039(00)80516-X

Reactions of nitrosonium hexafluorophosphate or tetrafluoroborate with olefins having aryl groups at an olefinic carbon atom at low temperature in acetonitrile afforded 4H-5,6-dihydro-1,2-oxazines with aryl groups at C-4 and C-6 in fair to good yields.