869367-94-2Relevant articles and documents
Ring enlargement of enantiopure 1,2-oxazines to 1,2-oxazepine derivatives and their palladium-catalyzed couplings
Al-Harrasi, Ahmed,Reissig, Hans-Ulrich
, p. 2376 - 2378 (2005)
Phase-transfer-catalyzed cyclopropanation of enantiopure 1,2-oxazine derivatives anti-1a,b or syn-1 followed by solvolysis of the resulting geminal dibromocyclopropane intermediates afforded the expected ring-expanded products, namely 1,2-oxazepines anti-