Reactions of NITROSONIUM HEXAFLUOROPHOSPHATE (cas 16921-91-8) with some olefinic compounds in acetonitrile: one step synthesis of 4H-5,6-dihydro-1,2-oxazines

Add time:08/04/2019    Source:sciencedirect.com

Reactions of NITROSONIUM HEXAFLUOROPHOSPHATE (cas 16921-91-8) 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 two aryl groups at C-4 and C-6 in fair to good yields.

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