5,6-Dihydro-1,3-oxazines. XXIII. Chemistry of 2-chloromethyloxazines. Formation of phosphoranes and phosphonates. Use of .alpha.,.beta. unsaturated oxazines as a common intermediate for the synthesis of aldehydes, ketones, and acids
5,6-Dihydro-1,3-oxazines. XXIII. Chemistry of 2-chloromethyloxazines. Formation of phosphoranes and phosphonates. Use of .alpha.,.beta. unsaturated oxazines as a common intermediate for the synthesis of aldehydes, ketones, and acids
5,6-Dihydro-1,3-oxazines. XXIII. Chemistry of 2-chloromethyloxazines. Formation of phosphoranes and phosphonates. Use of .alpha.,.beta. unsaturated oxazines as a common intermediate for the synthesis of aldehydes, ketones, and acids