32085-24-8
1-(5-methyldiazaphosphol-2-yl)ethanone
+
15500-74-0
4-chlorobenzonitrile oxide
→
~48%
82201-26-1
1-[3-(4-chlorophenyl)-7-methyl-7aH-diazaphospholo[3,4-d][1,2,4]oxazaphosphol-5-yl]ethanone