abstract |
A process for transforming a group >C=O (I) in a compound into a group >C=S (II) or into a tautomeric form of group (II) in a reaction giving a thionated reaction product, by use of crystalline P 2 S 5 ·2 C 5 H 5 N as a thionating agent. A thionating agent which is crystalline P 2 S 5 ·2 C 5 H 5 N. |