2.2.3- Trichloro butyraldehyde

Another type of reaction in this series involves 2,2,3-trichloro-butyraldehyde with various hydrazines, and leads to the relatively inaccessible 4-hydroxypyrazoles (23).353,354... 

CojO 50 ppm CO in O2 plus 3-10 ppm dimethyl sulfide 100 ppm acrolein n-butyraldehyde n-propyl amine 1,1,1-trichloro-ethane phenol toluene 10 ppm n-butyric acid (in air and in O ) 50 - 400 NR 6,000-90,000 hr 1 Odor removal 97... 

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