References
- Mai , K. and Patil , G. 1986 . Tetrahedron Letters , in press
- Caution: Paper soaked with a solution of 10% p-diphenylaminobenzaldehyde and diphenylamine in ethanol, will turn from yellow to deep orange in the presence of the maximum allowable concentration of phosgene. See the Merk Index for further details and precautions