35017-55-1Relevant articles and documents
Zur Synthese von 3,4-Dihydro-2H-1,4-benzoxazin-2- und 3-carbonitrilen. 11. Mitteilung ueber Studien zur Chemie der 1,4-Oxazine
Bartsch, Herbert,Schwarz, Otto
, p. 45 - 48 (2007/10/02)
Reaction of o-aminophenols 1a, 1b and 1c with alkyl dibromopropionates selectively leads to 2-substituted dihydro-1,4-benzoxazines.This high regioselectivity is explained by initial elimination of hydrogen bromide from the dibromopropionate to form a reac