Chemistry of dihydro-1,3-oxazines. XX. Synthesis of .alpha.-branched ketones from dihydro-1,3-oxazines via the ketenimine intermediate. .alpha.-Substituted ketones from a stable ketenimine
Chemistry of dihydro-1,3-oxazines. XX. Synthesis of .alpha.-branched ketones from dihydro-1,3-oxazines via the ketenimine intermediate. .alpha.-Substituted ketones from a stable ketenimine