V. Khlebnikov, M. Novikov, A. Khlebnikov
Nov 25, 2009
Citations
0
Influential Citations
29
Citations
Journal
Tetrahedron Letters
Abstract
Abstract Photochromic non-fused 2 H -1,4-oxazines are synthesised by a Rh 2 (OAc) 4 -catalysed reaction of 2 Н -azirines with ethyl 2-acyl-2-diazoacetates. The reaction proceeds via the formation of an azirinium ylide which undergoes ring-opening to a 2-azadiene followed by 1,6-electrocyclisation.